[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/wheel1_copy_7333.jpg]]
[[caption-width-right:350:Classification of invertebrates [[note]] [[http://oxford.university.museum/thezone/fossils/inverts/index.htm source]] [[/note]]]]

This index is for insects, arachnids, worms, sponges and every other type of creature without a backbone. See Website/TheOtherWiki [[http://en.wikipedia.org/wiki/Invertebrate for more information]] on this category of animal.

Arachnid tropes go under ArachnidTropes, insect tropes go under InsectIndex, and mollusk tropes go under MolluskTropes (with cephalopod tropes going under CephalopodIndex).
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[[index]]
!!Tropes:
[floatboxright:
'''Categories:'''
+ ArachnidTropes
+ InsectIndex
+ MolluskTropes
++ CephalopodIndex
]
* AntlionMonster: A monster that hunts by waiting for its prey at the bottom of a pit.
* ArtisticLicenseArachnids: Inaccurate and badly researched portrayals of arachnids.
* ArtisticLicenseMarineBiology: Inaccurate and badly researched portrayals of crustaceans, mollusks, echinoderms, cnidarians, and other marine invertebrates.
* AtrociousArthropods: Arthropods are depicted as evil or dangerous.
* BigCreepyCrawlies: Arthropods of unnaturally large size.
* BugCatching: Catching arthropods for fun and profit.
* BugsHeraldEvil: The presence of arthropods as a signal that something worse is coming.
* BugWar: A war against insect-like creatures from outer space.
* BugWorks: An index of works about insects and other invertebrates such as arachnids (e.g. spiders), myriapods (e.g. centipedes), gastropods (e.g. snails), etc.
* CartoonBugSprayer: A type of bug-sprayer with a push-handle and a cylindrical tank mounted crosswise to its nozzle.
* CreepyCentipedes: Centipedes portrayed as frightening and unnerving monsters.
* ElectricJellyfish: Jellyfish that shock people with electricity instead of being venomous.
* FourLeggedInsect: An arthropod portrayed with fewer legs than it should have.
* FriendToBugs: A character who genuinely loves creepy-crawlies.
* GiantEnemyCrab: Outsized, dangerous crabs.
* HiveCasteSystem: Arthropods or arthropod-like creatures living in a rigidly ordered caste system with ranks based on innate biology.
* TheInfested: A character is filled with vermin, usually bugs.
* InstantLeechJustFallInWater: Fall in suspicious water, emerge covered in leeches.
* LiteralBookworm: Either actual worms or wormy bugs that eat books, read books, or read books by eating them.
* PennyPinchingCrab: Crabs portrayed as stingy, greedy and money-obsessed.
* PitifulWorms: Insulting a person by comparing them to worms or other puny little critters.
* RedLiveLobster: Uncooked lobsters and other crustaceans, especially in animation, depicted as red-colored.
* SandWorm: Enormous, wormlike beasts that tunnel unseen underground to attack prey walking above.
* SeaHurtchin: Sea urchins’ spines hurt.
* SomewhereAnEntomologistIsCrying: Inaccurate and badly researched portrayals of insects.
* SuperPoweredShrimp: A creature based on a shrimp, typically one of the more eccentric species enhanced in some way according to the media it appears in.
* WormInAnApple: Worms are strongly associated with apples, usually as a sight gag.
* TheWormThatWalks: Creatures that are actually masses of smaller things, usually invertebrates, moving as a single entity.
[[/index]]
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