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* ''Dacentrurus armatus'' was first described in the mid 1800s by Richard Owen with the now-invalid name "Omosaurus", before ''Stegosaurus'' itself was discovered in the USA: it was indeed the very first stegosaur discovered by science, but was put in the ''Stegosauria'' only after the description in North America of the genus ''Stegosaurus''. Unfortunately, the dacentrurus is known from incomplete remains, so its appearance and even its size are uncertain. Illustrations usually show it with a kentrosaur-like armor (with or without shoulder-spikes). Some however suspect ''Dacentrurus'' was a very large animal, maybe even bigger than ''Stegosaurus'' itself, which is usually considered the largest stegosaur; but we need more fossils to prove it true.
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* ''Dacentrurus armatus'' was first described in the mid 1800s mid-1800s by Richard Owen with the now-invalid name "Omosaurus", before ''Stegosaurus'' itself was discovered in the USA: it was indeed the very first stegosaur discovered by science, but was put in the ''Stegosauria'' only after the description in North America of the genus ''Stegosaurus''. Unfortunately, the dacentrurus is known from incomplete remains, so its appearance and even its size are uncertain. Illustrations usually show it with a kentrosaur-like armor (with or without shoulder-spikes). Some however suspect ''Dacentrurus'' was a very large animal, maybe even bigger than ''Stegosaurus'' itself, which is usually considered the largest stegosaur; but we need more fossils to prove it true.
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* But in 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'', ''Kentrosaurus'' & ''Tuojiangosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollum'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. ''Miragaia'' has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make it interesting for pop-cultural producers, either.
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* But in 2009, a brand new brand-new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'', ''Kentrosaurus'' & ''Tuojiangosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical scientific name is ''Miragaia longicollum'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover discovery all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. ''Miragaia'' has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make it interesting for pop-cultural producers, either.
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* A find from the 1990s has received a more obvious name: ''Gigantspinosaurus'' (it was not a cross between [[UsefulNotes/StockDinosaursSaurischianDinosaurs a ''Giganotosaurus'' and a ''Spinosaurus'']]!) Kentrosaurus-sized, thus small for stegosaur standards, it had small plates oddily only on its back (not on its tail) and an uncospicuous thagomizer: both features vividly contrast with its truly [[ExactlyWhatItSaysOnTheTin gigantic spines]] on its shoulders: thick, curved, and each as long as the whole trunk! Like ''Miragaia'' above, ''Gigantspinosaurus'' has notably increased the variety of the stegosaur world thanks to its look, and its colossal shoulder-spikes could even make it interesting for the broader pop-culture.
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* A find from the 1990s has received a more obvious name: ''Gigantspinosaurus'' (it was not a cross between [[UsefulNotes/StockDinosaursSaurischianDinosaurs a ''Giganotosaurus'' and a ''Spinosaurus'']]!) Kentrosaurus-sized, thus small for stegosaur standards, it had small plates oddily oddly only on its back (not on its tail) and an uncospicuous incospicuous thagomizer: both features vividly contrast with its truly [[ExactlyWhatItSaysOnTheTin gigantic spines]] on its shoulders: thick, curved, and each as long as the whole trunk! Like ''Miragaia'' above, ''Gigantspinosaurus'' has notably increased the variety of the stegosaur world thanks to its look, and its colossal shoulder-spikes could even make it interesting for the broader pop-culture.
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* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material (''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead). ''Huayangosaurus'' was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids.
to:
* ''Huayangosaurus'' is particolarly particularly notable among stegosaurians in general, because is it's the most primitive stegosaur known from good fossil material (''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead). ''Huayangosaurus'' was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is are a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids.
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* At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
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* At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery very low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
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* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus'', the north-african ''[[http://en.wikipedia.org/wiki/Adratiklit Adratiklit]]'', and the currently most ancient known, ''[[http://en.wikipedia.org/wiki/Bashanosaurus Bashanosaurus]]'' described in 2022 in China. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''.
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* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus'', the north-african north-African ''[[http://en.wikipedia.org/wiki/Adratiklit Adratiklit]]'', and the currently most ancient known, ''[[http://en.wikipedia.org/wiki/Bashanosaurus Bashanosaurus]]'' described in 2022 in China. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african African ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''.
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[[/folder]]
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* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material (''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead). It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids.
to:
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material (''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead). It ''Huayangosaurus'' was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids.
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* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus'', and the currently most ancient known, ''[[http://en.wikipedia.org/wiki/Bashanosaurus Bashanosaurus]]'' described in 2022 in China. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''.
to:
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus'', the north-african ''[[http://en.wikipedia.org/wiki/Adratiklit Adratiklit]]'', and the currently most ancient known, ''[[http://en.wikipedia.org/wiki/Bashanosaurus Bashanosaurus]]'' described in 2022 in China. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''.
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* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''.
to:
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''.''Lexovisaurus'', and the currently most ancient known, ''[[http://en.wikipedia.org/wiki/Bashanosaurus Bashanosaurus]]'' described in 2022 in China. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''.
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* However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent (the leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur), a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]] in 1996. In that year, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/PrehistoricLifeNonDinosaurianReptiles plesiosaur]]. However, in 2017, some experts have still argued that the dravidosaur was actually the "last stegosaur", and the enigma is still unresolved. Today, ''Dravidosaurus'' is classified as a Diapsid reptile "incertae saedis" (Latin for "uncertain placement").
to:
* However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent (the leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur), a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]] in 1996. In that year, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/PrehistoricLifeNonDinosaurianReptiles plesiosaur]]. However, in 2017, some experts have still argued that the dravidosaur was actually the "last stegosaur", and the enigma is still unresolved. Today, ''Dravidosaurus'' is classified as a Diapsid reptile "incertae saedis" "''incertae saedis''" (Latin for "uncertain placement").
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'''Under The Sea:''' ''[[http://en.wikipedia.org/wiki/Dravidosaurus Dravidosaurus]]''
* However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent (the leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur), a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/PrehistoricLifeNonDinosaurianReptiles plesiosaur]].
* However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent (the leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur), a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/PrehistoricLifeNonDinosaurianReptiles plesiosaur]].
to:
'''Under The Sea:''' Sea?:''' ''[[http://en.wikipedia.org/wiki/Dravidosaurus Dravidosaurus]]''
* However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent (the leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur), a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to befalse]]. false]] in 1996. In 1996, that year, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/PrehistoricLifeNonDinosaurianReptiles plesiosaur]].
plesiosaur]]. However, in 2017, some experts have still argued that the dravidosaur was actually the "last stegosaur", and the enigma is still unresolved. Today, ''Dravidosaurus'' is classified as a Diapsid reptile "incertae saedis" (Latin for "uncertain placement").
* However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent (the leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur), a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be
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* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. (''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead). It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids.
to:
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. material (''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead). It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids.
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Changed line(s) 51,52 (click to see context) from:
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids.
to:
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.(''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] instead). It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids.
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* But in 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'', ''Kentrosaurus'' & ''Tuojiangosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. ''Miragaia'' has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make it interesting for pop-cultural producers, either.
to:
* But in 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'', ''Kentrosaurus'' & ''Tuojiangosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', longicollum'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. ''Miragaia'' has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make it interesting for pop-cultural producers, either.
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* However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
to:
* However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The (the leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], ankylosaur), a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs [[UsefulNotes/PrehistoricLifeNonDinosaurianReptiles plesiosaur]].
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'''Stegosaur History'''
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''.
----
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''.
----
Changed line(s) 63,64 (click to see context) from:
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''. However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
to:
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''. However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
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Changed line(s) 49,52 (click to see context) from:
'''Primitive and Evolved:''' ''[[http://en.wikipedia.org/wiki/Huayangosaurus Huayangosaurus]]'' & ''[[http://en.wikipedia.org/wiki/Wuerhosaurus Wuerhosaurus]]''
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids. At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids. At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
to:
'''Primitive and Evolved:''' Scelidosaurus-like:''' ''[[http://en.wikipedia.org/wiki/Huayangosaurus Huayangosaurus]]'' & ''[[http://en.wikipedia.org/wiki/Wuerhosaurus Wuerhosaurus]]''
Huayangosaurus]]''
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolvedStegosaurids. At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
Stegosaurids.
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved
Added DiffLines:
'''Evolved and Stegosaurus-like:''' ''[[http://en.wikipedia.org/wiki/Wuerhosaurus Wuerhosaurus]]''
* At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
----
* At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
----
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'''Cousins in Europe:''' ''[[http://en.wikipedia.org/wiki/Lexovisaurus Lexovisaurus]]'' & ''[[http://en.wikipedia.org/wiki/Miragaia_(dinosaur) Miragaia]]''
* Three similar-looking stegosaurs are known from Middle Jurassic Europe. Both ''Dacentrurus'' ("tail full of points") described above, and ''Lexovisaurus'' (named from an ancient Celtic people) are found in several European countries: England, France, and Portugal. ''Lexovisaurus durobrivensis'' was named in the 20th century. Sadly, ''Lexovisaurus'' too is known from scanty remains. Illustrations usually show it with the same kentrosaur-like look of ''Dacentrurus'', even though the lexovisaur sometimes appears with a more tuojiangosaur-like look. Recently, many alleged "Lexovisaurus" remains have been reclassified in another genus, ''[[http://en.wikipedia.org/wiki/Loricatosaurus Loricatosaurus]]'' ("armored lizard"), almost-identical to the former. But in 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'', ''Kentrosaurus'' & ''Tuojiangosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. ''Miragaia'' has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make it interesting for pop-cultural producers, either.
* Three similar-looking stegosaurs are known from Middle Jurassic Europe. Both ''Dacentrurus'' ("tail full of points") described above, and ''Lexovisaurus'' (named from an ancient Celtic people) are found in several European countries: England, France, and Portugal. ''Lexovisaurus durobrivensis'' was named in the 20th century. Sadly, ''Lexovisaurus'' too is known from scanty remains. Illustrations usually show it with the same kentrosaur-like look of ''Dacentrurus'', even though the lexovisaur sometimes appears with a more tuojiangosaur-like look. Recently, many alleged "Lexovisaurus" remains have been reclassified in another genus, ''[[http://en.wikipedia.org/wiki/Loricatosaurus Loricatosaurus]]'' ("armored lizard"), almost-identical to the former. But in 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'', ''Kentrosaurus'' & ''Tuojiangosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. ''Miragaia'' has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make it interesting for pop-cultural producers, either.
to:
'''Cousins in Europe:''' ''[[http://en.wikipedia.org/wiki/Lexovisaurus Lexovisaurus]]'' & ''[[http://en.wikipedia.org/wiki/Miragaia_(dinosaur) Miragaia]]''
org/wiki/Loricatosaurus Loricatosaurus]]''
* Three similar-looking stegosaurs are known from Middle Jurassic Europe. Both ''Dacentrurus'' ("tail full of points") described above, and ''Lexovisaurus'' (named from an ancient Celtic people) are found in several European countries: England, France, and Portugal. ''Lexovisaurus durobrivensis'' was named in the 20th century. Sadly, ''Lexovisaurus'' too is known from scanty remains. Illustrations usually show it with the same kentrosaur-like look of ''Dacentrurus'', even though the lexovisaur sometimes appears with a more tuojiangosaur-like look. Recently, many alleged "Lexovisaurus" remains have been reclassified in another genus,''[[http://en.wikipedia.org/wiki/Loricatosaurus Loricatosaurus]]'' ''Loricatosaurus'' ("armored lizard"), almost-identical to the former. But in 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'', ''Kentrosaurus'' & ''Tuojiangosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. ''Miragaia'' has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make it interesting for pop-cultural producers, either.
former.
* Three similar-looking stegosaurs are known from Middle Jurassic Europe. Both ''Dacentrurus'' ("tail full of points") described above, and ''Lexovisaurus'' (named from an ancient Celtic people) are found in several European countries: England, France, and Portugal. ''Lexovisaurus durobrivensis'' was named in the 20th century. Sadly, ''Lexovisaurus'' too is known from scanty remains. Illustrations usually show it with the same kentrosaur-like look of ''Dacentrurus'', even though the lexovisaur sometimes appears with a more tuojiangosaur-like look. Recently, many alleged "Lexovisaurus" remains have been reclassified in another genus,
Changed line(s) 31,34 (click to see context) from:
'''MOAR cousins, this time in China:''' ''[[http://en.wikipedia.org/wiki/Chialingosaurus Chialingosaurus]]'' & ''[[http://en.wikipedia.org/wiki/Gigantspinosaurus Gigantspinosaurus]]''
* The People's Republic of China has given us about half the steggies around the world. ''Chialingosaurus'' was the first discovered, in 1940s: Late Jurassic, it was similar to ''Kentrosaurus'' and more slender than other stegosaurs. The others have been found since the 1970s: other than ''Tuojiangosaurus'' there are the Middle Jurassic ''Huayangosaurus''; the small ''[[http://en.wikipedia.org/wiki/Chungkingosaurus Chungkingosaurus]]'' (Late Jurassic); ''Jiangjunosaurus'', which was found in the western region of Xinjiang; ''Monkonosaurus'', found in Tibet; the Middle Cretaceous ''Wuerhosaurus''; and ''Yingshanosaurus'', with flattened shoulder-spikes. A find from the 1990s has received a more obvious name: ''Gigantspinosaurus'' (it was not a cross between [[UsefulNotes/StockDinosaursSaurischianDinosaurs a ''Giganotosaurus'' and a ''Spinosaurus'']]!) Kentrosaurus-sized, thus small for stegosaur standards, it had small plates oddily only on its back (not on its tail) and an uncospicuous thagomizer: both features vividly contrast with its truly [[ExactlyWhatItSaysOnTheTin gigantic spines]] on its shoulders: thick, curved, and each as long as the whole trunk! Like ''Miragaia'' above, ''Gigantspinosaurus'' has notably increased the variety of the stegosaur world thanks to its look, and its colossal shoulder-spikes could even make it interesting for the broader pop-culture.
* The People's Republic of China has given us about half the steggies around the world. ''Chialingosaurus'' was the first discovered, in 1940s: Late Jurassic, it was similar to ''Kentrosaurus'' and more slender than other stegosaurs. The others have been found since the 1970s: other than ''Tuojiangosaurus'' there are the Middle Jurassic ''Huayangosaurus''; the small ''[[http://en.wikipedia.org/wiki/Chungkingosaurus Chungkingosaurus]]'' (Late Jurassic); ''Jiangjunosaurus'', which was found in the western region of Xinjiang; ''Monkonosaurus'', found in Tibet; the Middle Cretaceous ''Wuerhosaurus''; and ''Yingshanosaurus'', with flattened shoulder-spikes. A find from the 1990s has received a more obvious name: ''Gigantspinosaurus'' (it was not a cross between [[UsefulNotes/StockDinosaursSaurischianDinosaurs a ''Giganotosaurus'' and a ''Spinosaurus'']]!) Kentrosaurus-sized, thus small for stegosaur standards, it had small plates oddily only on its back (not on its tail) and an uncospicuous thagomizer: both features vividly contrast with its truly [[ExactlyWhatItSaysOnTheTin gigantic spines]] on its shoulders: thick, curved, and each as long as the whole trunk! Like ''Miragaia'' above, ''Gigantspinosaurus'' has notably increased the variety of the stegosaur world thanks to its look, and its colossal shoulder-spikes could even make it interesting for the broader pop-culture.
to:
*
Changed line(s) 37,40 (click to see context) from:
'''Primitive and Evolved:''' ''[[http://en.wikipedia.org/wiki/Huayangosaurus Huayangosaurus]]'' & ''[[http://en.wikipedia.org/wiki/Wuerhosaurus Wuerhosaurus]]''
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids. At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids. At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
to:
*
Changed line(s) 43,46 (click to see context) from:
'''Under The Sea:''' ''[[http://en.wikipedia.org/wiki/Dravidosaurus Dravidosaurus]]''
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''. However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''. However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
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'''Primitive and Evolved:''' ''[[http://en.wikipedia.org/wiki/Huayangosaurus Huayangosaurus]]'' & ''[[http://en.wikipedia.org/wiki/Wuerhosaurus Wuerhosaurus]]''
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids. At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
----
'''Under The Sea:''' ''[[http://en.wikipedia.org/wiki/Dravidosaurus Dravidosaurus]]''
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''. However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
----
* ''Huayangosaurus'' is particolarly notable among stegosaurians in general, because is the most primitive stegosaur known from good fossil material. [[note]]''[[http://en.wikipedia.org/wiki/Tatisaurus Tatisaurus]]'' from Early Jurassic was once believed an even more basal stegosaur from Yunnan, but is known only from pieces of bone and it's more likely a scelidosaur instead.[[/note]] It was small, 4 m long, and preserved several ancestral traits in its skeleton, such as a big head, small frontal teeth on its upper jaw, and long forelimbs. The frontal upper teeth is a typical primitive trait among ornithischians, which were lost in more evolved stegosaurs. The huayangosaur's armor, however, was already fully stegosaurian, rather similar to ''Tuojiangosaurus'' with a true thagomizer, and also with shoulder spikes like ''Kentrosaurus''. Because of their primitiveness, ''Huayangosaurus'' and few others, like ''Chungkingosaurus'' and the little-known ''Craterosaurus'' and ''Regnosaurus'', both from Early Cretaceous England, make a family on their own, Huayangosaurids, while most other stegosaurs make together the more evolved Stegosaurids. At the other extremity, ''Wuerhosaurus'' was one of the latest-surviving stegosaurs, and the most known among the Cretaceous stegosaurs in spite of being scantier than several Jurassic relatives. Almost as large as a ''Stegosaurus'', it had the same alternate plates and four-spiked tail, but has traditionally been depicted with wery low, rectangular plates instead of pentagonal. According to recent research its plates could have been taller and more ''Stegosaurus''-like than formerly thought. We don't know if it had shoulder spikes or not, but flat bony skin-scutes are known from fossils.
----
'''Under The Sea:''' ''[[http://en.wikipedia.org/wiki/Dravidosaurus Dravidosaurus]]''
* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''. However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
----
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* The People's Republic of China has given us about half the steggies around the world. ''Chialingosaurus'' was the first discovered, in 1940s: Late Jurassic, it was similar to ''Kentrosaurus'' and more slender than other stegosaurs. The others have been found since the 1970s: other than ''Tuojiangosaurus'' there are the Middle Jurassic ''Huayangosaurus''; the small ''[[http://en.wikipedia.org/wiki/Chungkingosaurus Chungkingosaurus]]'' (Late Jurassic); ''Jiangjunosaurus'', which was found in the western region of Xinjiang; ''Monkonosaurus'', found in Tibet; the Middle Cretaceous ''Wuerhosaurus''; and ''Yingshanosaurus'', with flattened shoulder-spikes. A find from the 1990s has received a more obvious name: ''Gigantspinosaurus'' (it was not a cross between [[UsefulNotes/StockDinosaursTrueDinosaurs a ''Giganotosaurus'' and a ''Spinosaurus'']]!) Kentrosaurus-sized, thus small for stegosaur standards, it had small plates oddily only on its back (not on its tail) and an uncospicuous thagomizer: both features vividly contrast with its truly [[ExactlyWhatItSaysOnTheTin gigantic spines]] on its shoulders: thick, curved, and each as long as the whole trunk! Like ''Miragaia'' above, ''Gigantspinosaurus'' has notably increased the variety of the stegosaur world thanks to its look, and its colossal shoulder-spikes could even make it interesting for the broader pop-culture.
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* The People's Republic of China has given us about half the steggies around the world. ''Chialingosaurus'' was the first discovered, in 1940s: Late Jurassic, it was similar to ''Kentrosaurus'' and more slender than other stegosaurs. The others have been found since the 1970s: other than ''Tuojiangosaurus'' there are the Middle Jurassic ''Huayangosaurus''; the small ''[[http://en.wikipedia.org/wiki/Chungkingosaurus Chungkingosaurus]]'' (Late Jurassic); ''Jiangjunosaurus'', which was found in the western region of Xinjiang; ''Monkonosaurus'', found in Tibet; the Middle Cretaceous ''Wuerhosaurus''; and ''Yingshanosaurus'', with flattened shoulder-spikes. A find from the 1990s has received a more obvious name: ''Gigantspinosaurus'' (it was not a cross between [[UsefulNotes/StockDinosaursTrueDinosaurs [[UsefulNotes/StockDinosaursSaurischianDinosaurs a ''Giganotosaurus'' and a ''Spinosaurus'']]!) Kentrosaurus-sized, thus small for stegosaur standards, it had small plates oddily only on its back (not on its tail) and an uncospicuous thagomizer: both features vividly contrast with its truly [[ExactlyWhatItSaysOnTheTin gigantic spines]] on its shoulders: thick, curved, and each as long as the whole trunk! Like ''Miragaia'' above, ''Gigantspinosaurus'' has notably increased the variety of the stegosaur world thanks to its look, and its colossal shoulder-spikes could even make it interesting for the broader pop-culture.
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Among non-''Stegosaurus'' stegosaurs, you will see ''[[UsefulNotes/StockDinosaursOrnithischianDinosaurs Tuojiangosaurus]]'' and ''[[UsefulNotes/StockDinosaursOrnithischianDinosaurs Kentrosaurus]]'' more often than others, but you could also see ''Dacentrurus'', ''Huayangosaurus'', ''Wuerhosaurus'', ''Lexovisaurus'', ''Gigantspinosaurus'', ''Miragaia'', and others, as well as getting the occasional mention of "''Dravidosaurus''".
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Among non-''Stegosaurus'' stegosaurs, you will see ''[[UsefulNotes/StockDinosaursOrnithischianDinosaurs Tuojiangosaurus]]'' (the animal of the image) and ''[[UsefulNotes/StockDinosaursOrnithischianDinosaurs Kentrosaurus]]'' more often than others, but you could also see ''Dacentrurus'', ''Huayangosaurus'', ''Wuerhosaurus'', ''Lexovisaurus'', ''Gigantspinosaurus'', ''Miragaia'', and others, as well as getting the occasional mention of "''Dravidosaurus''".
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Among non-''Stegosaurus'' stegosaurs, you will see ''[[UsefulNotes/StockDinosaursOrnithischianDinosaurs Tuojiangosaurus]]'' and ''[[UsefulNotes/StockDinosaursOrnithischianDinosaurs Kentrosaurus]]'' more often than others, but you could also see ''Dacentrurus'', ''Huayangosaurus'', ''Wuerhosaurus'', and others, as well as getting the occasional mention of "''Dravidosaurus''".
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Among non-''Stegosaurus'' stegosaurs, you will see ''[[UsefulNotes/StockDinosaursOrnithischianDinosaurs Tuojiangosaurus]]'' and ''[[UsefulNotes/StockDinosaursOrnithischianDinosaurs Kentrosaurus]]'' more often than others, but you could also see ''Dacentrurus'', ''Huayangosaurus'', ''Wuerhosaurus'', ''Lexovisaurus'', ''Gigantspinosaurus'', ''Miragaia'', and others, as well as getting the occasional mention of "''Dravidosaurus''".
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* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there wercompetition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''. However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
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* Definitive stegosaurs appeared in the Middle Jurassic: ex. ''Huayangosaurus'', ''Dacentrurus'', ''Lexovisaurus''. They reached their heyday in the Late Jurassic with genera such as ''Stegosaurus'', ''Tuojiangosaurus'', ''Kentrosaurus'', ''Chialingosaurus'', ''Gigantspinosaurus'', ''Miragaia'', and several others. However, they began to decline in Early Cretaceous, perhaps due to competition from the more armored ankylosaurs, yet there wercompetition from the more armored ankylosaurs, yet there were still a few holdouts such as ''Wuerhosaurus'' and the african ''[[http://en.wikipedia.org/wiki/Paranthodon Paranthodon]]''. However, there was a stegosaur which, uniquely, survived until the Late Cretaceous: ''Dravidosaurus''. Discovered in 1979, it's one of the few dinosaurs (and the only stegosaur) found in Indian subcontinent [[note]]The leg bone of ''Brachypodosaurus'' was also found there, but it's uncertain if it was a stegosaur or an ankylosaur.[[/note]], a huge separate landmass in the Late Mesozoic. ''Dravidosaurus'', whose name could be translated to "lizard of Southern India", somehow managed to arrive there, and flourished thanks to the absence of competition which other relatives faced in the mainland. Its status as "the last stegosaur" gave it several mentions in books and even some documentaries, which usually showed it like an undersized "Stegosaurus" (it was believed one of the smallest stegosaurs ever). However, all this was [[ScienceMarchesOn shown to be false]]. In 1996, a re-examination of its extremely fragmentary remains has revealed our Last Stegosaur to be 1. not a stegosaur, 2. not a dinosaur, and 3. not even a land-dweller. It was a marine reptile, more precisely a [[UsefulNotes/StockDinosaursNonDinosaurs plesiosaur]].
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* Two similar-looking stegosaurs are known from Middle Jurassic Europe. Both ''Dacentrurus'' ("tail full of points") described above, and ''Lexovisaurus'' (named from an ancient Celtic people) are found in several European countries: England, France, and Portugal. ''Lexovisaurus durobrivensis'' was named in the 20th century. Sadly, ''Lexovisaurus'' too is known from scanty remains. Illustrations usually show it with the same kentrosaur-like look of ''Dacentrurus'', even though the lexovisaur sometimes appears with a more tuojiangosaur-like look. Recently, many alleged "Lexovisaurus" remains have been reclassified in another genus, ''[[http://en.wikipedia.org/wiki/Loricatosaurus Loricatosaurus]]'' ("armored lizard"). In 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'' and ''Kentrosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. Its has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make the miragaia interesting for pop-cultural producers, either.
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* Two Three similar-looking stegosaurs are known from Middle Jurassic Europe. Both ''Dacentrurus'' ("tail full of points") described above, and ''Lexovisaurus'' (named from an ancient Celtic people) are found in several European countries: England, France, and Portugal. ''Lexovisaurus durobrivensis'' was named in the 20th century. Sadly, ''Lexovisaurus'' too is known from scanty remains. Illustrations usually show it with the same kentrosaur-like look of ''Dacentrurus'', even though the lexovisaur sometimes appears with a more tuojiangosaur-like look. Recently, many alleged "Lexovisaurus" remains have been reclassified in another genus, ''[[http://en.wikipedia.org/wiki/Loricatosaurus Loricatosaurus]]'' ("armored lizard"). In lizard"), almost-identical to the former. But in 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'' and ''Kentrosaurus'', ''Stegosaurus'', ''Kentrosaurus'' & ''Tuojiangosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. Its ''Miragaia'' has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make the miragaia it interesting for pop-cultural producers, either.
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* ''Dacentrurus armatus'' was first described in the mid 1800s by Richard Owen with the now-invalid name "Omosaurus", before ''Stegosaurus'' itself was discovered in the USA. Unfortunately, it is known from incomplete remains, so its appearance and even its size are uncertain. Illustrations usually show it with a kentrosaur-like armor (with or without shoulder-spikes). Some however suspect ''Dacentrurus'' was a very large animal, maybe even bigger than ''Stegosaurus'' itself, which is usually considered the largest stegosaur.
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* ''Dacentrurus armatus'' was first described in the mid 1800s by Richard Owen with the now-invalid name "Omosaurus", before ''Stegosaurus'' itself was discovered in the USA. USA: it was indeed the very first stegosaur discovered by science, but was put in the ''Stegosauria'' only after the description in North America of the genus ''Stegosaurus''. Unfortunately, it the dacentrurus is known from incomplete remains, so its appearance and even its size are uncertain. Illustrations usually show it with a kentrosaur-like armor (with or without shoulder-spikes). Some however suspect ''Dacentrurus'' was a very large animal, maybe even bigger than ''Stegosaurus'' itself, which is usually considered the largest stegosaur.
stegosaur; but we need more fossils to prove it true.
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* Two similar-looking stegosaurs are known from Middle Jurassic Europe. Both ''Dacentrurus'' ("tail full of points") described above, and ''Lexovisaurus'' (named from an ancient Celtic people) are found in several European countries: England, France, and Portugal. ''Lexovisaurus durobrivensis'' was named in the 20th century. Unfortunately, both are known from scanty remains. Illustrations usually show them with a kentrosaur-like armor with or without shoulder-spikes, even though the lexovisaur sometimes appears with a more tuojiangosaur-like look. Recently, many alleged "Lexovisaurus" remains have been reclassified in another genus, ''[[http://en.wikipedia.org/wiki/Loricatosaurus Loricatosaurus]]'' ("armored lizard"). In 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'' and ''Kentrosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. Its has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make the miragaia interesting for pop-cultural producers, either.
to:
* Two similar-looking stegosaurs are known from Middle Jurassic Europe. Both ''Dacentrurus'' ("tail full of points") described above, and ''Lexovisaurus'' (named from an ancient Celtic people) are found in several European countries: England, France, and Portugal. ''Lexovisaurus durobrivensis'' was named in the 20th century. Unfortunately, both are Sadly, ''Lexovisaurus'' too is known from scanty remains. Illustrations usually show them it with a the same kentrosaur-like armor with or without shoulder-spikes, look of ''Dacentrurus'', even though the lexovisaur sometimes appears with a more tuojiangosaur-like look. Recently, many alleged "Lexovisaurus" remains have been reclassified in another genus, ''[[http://en.wikipedia.org/wiki/Loricatosaurus Loricatosaurus]]'' ("armored lizard"). In 2009, a brand new stegosaur was excavated in Portugal: the quite simple-named but very peculiar ''Miragaia''. Late Jurassic like ''Stegosaurus'' and ''Kentrosaurus'', it was medium-sized for a stegosaur, and with its small but abundant plates and unusually long neck, it looks a bit like Dinny from ''ComicStrip/AlleyOop''. Its full scientifical name is ''Miragaia longicollis'', the latter term meaning "long necked" indeed. ''Miragaia'' suddenly increased the diversity of the small taxonomic group of the stegosaurs: before its discover all stegos were believed to have had the same short-necked shape of ''Stegosaurus''. Its has already appeared in [[Series/DinosaurRevolution one TV documentary]], and its unusual look could even make the miragaia interesting for pop-cultural producers, either.