Other Reptiles

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(7 total)

Champsosaurus lindoei
© 2008 Royal Tyrrell Museum

Champsosaurus
© 2008 Royal Tyrrell Museum

Edaphosauridae
© 2003 James Diffily

What are Other Reptiles? Many extinct reptiles share some (but not all) of the features that distinguish crocodiles, lizards, turtles, dinosaurs, or the marine reptiles. Included here, are the first amniotes, Hyolonomus and Paleothyris, which were small, agile, lizard-like insect-eaters. Also included are the flying reptiles (pterosaurs) and other diapsids (such as the rhynchosaurs, ornithosuchians, and aetosaurs), as well as some anapsids like pareiasaurs. These reptiles have a wide range of sizes, shapes, and skeletal features. While many were carnivores, with sharp teeth and even claws, others had flat teeth or beaks for eating plants. Members of this group first appear in the Middle Carboniferous, and the last members went extinct in the Triassic.

First known fossil occurrence: Carboniferous.

Last known fossil occurrence: Triassic.

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