Reptile wiki:
ia">Crocodilia - Crocodilians Rhynchocephalia - Tuataras Squamata Suborder Sauria- Lizards Suborder Serpentes - Snakes Suborder Amphisbaenia - Worm lizards Testudines - Turtles Superorder Dinosauria Saurischia Ornithischia Reptiles are tetrapods, and also are amniotes, animals whose embryos are surrounded by an amniotic membrane. Today they are represented by four surviving orders:Crocodilia (crocodiles and alligators): 23 speciesRhynchocephalia (tuataras from New Zealand): 2 speciesSquamata (lizards, snakes and amphisbaenids ("worm-lizards") ): approximately 7,600 speciesChelonia (turtles): approximately 300 species
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