Fictional reptiles
Fictional reptiles

Avicephala is an extinct order of bizarre diapsid reptiles that lived during the Late Permian and Triassic periods. Many species had odd specialized grasping limbs and prehensile tails, adapted to arboreal (and possibly aquatic) lifestyles.

Reptiles are tetrapods and amniotes, animals whose embryos are surrounded by an amniotic membrane. Today there are 6,800 reptile species on earth; the major groups are alligators and crocodiles, turtles, lizards, and snakes.
Reptiles are a paraphyletic group. The group can be made monophyletic by including the birds (Aves).
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