Averted in King Kong (1976), where the only giant monster on the island besides Kong is an enormous snake.
The 1951 film Two Lost Worlds is a Cowboy/Australian Pirate/Dinosaur movie (). It fits this trope well because the only dinosaurs are some stock footage from a previous dinosaur movie that menace some people the pirates maroon on an island. They could have easily been left out, or replaced with more normal dangerous animals.
The Ice Age films are generally accurate in depicting only animals which lived during the Ice Age, or at least after the dinosaurs died out. Guess, then, what Ice Age 3: Dawn of the Dinosaurs featured. Go on.
In D-War (a film very much driven by the Rule of Cool), the evil Buraki commands an evil army of dark warriors that ride big dinosaurs and fire barrages of fireballs.
Meet the Robinsons stars mind-controlled T. rex brought back from the past with a flying time machine by a bowler-hat-less bowler hat wearing guy surely deserves mention here.
The Star Wars 20th anniversary re-release inserts CGI beasts which vaguely resemble dinosaurs into various scenes in the movie, mostly in Mos Eisley.
This Time article on lessons from the 2009 Summer Movies shows that despite the success of the second Night at the Museum and Ice Age 3 (it says Up features dinosaurs - and it does have a giant bird), two other films with dinos, Land of the Lost and Year One (which featured cavemen, but didn't have any dinosaurs in it), bombed.
Probably not a great example, but the 'Time Masheen' scene of Idiocracy, where World War II was depicted by two T-rexes fighting, one wearing an American flag, one wearing a Swastika.
The "Rite of Spring" segment from Fantasia which featured creatures from the beginning of life to the extinction of dinosaurs. Some of its most famous scenes are the Mosasaurus leaping to catch a Pteranodon and the fierce Tyrannosaurus vs. Stegosaurus battle.
Theodore Rex is quite possibly one of the few example that makes this trope worse than it should be.
The Pixar film called The Good Dinosaur takes place in an alternate world where the dinosaurs did not go extinct and co-exist with non-sapient human beings.
In the Film of the BookJurassic Park, John Hammond decides to make a nature park of dinosaurs because kids love dinosaurs and he has the finances to bring these wonderful creatures to life for the enjoyment of everyone. In the novel he's an egomaniac that just wants to make tons of money from his dinosaur park.
Amusingly, Jurassic World runs on the idea that simply playing God and restoring those awesome extinct beasts to life isn't enough: a dinosaur park is finally running. Yet after ten years, attendance is decaying. Trying to spice things up, things only get worse.
In one of the more bizarre instances of including dinosaurs in a movie just for the sake of it, The Asylum's mockbuster version of Sherlock Holmes has Holmes and Watson pitted against a robotic dinosaur in London - in addition to a robotic kraken and a robotic dragon.
Subverted in Godzilla (2014). Godzilla even comes from the Permian period predating them. He retains much of the classic Godzilla's look, though.
Despite its name, Dinosaur Island (2014) isn't really about the dinosaurs, though there are a lot of them. It's about the supernatural nature of the island itself, and there are other things on it besides dinosaurs that result in sideplots and danger.
Super Mario Bros.: In the backstory, the meteor impact that caused the dinosaurs' extinction actually created an Alternate Universe that sent multiple dinosaurs into it. Over the millennia, the dinosaurs evolved to resemble humans.