Reptiliana: Ultimate Reptile Resource

Scientific Classification:

Animalia > Chordata > Vertebrata > Sauropsida.

There are different categories of reptiles. Here they are written out in human terms:

• Crocodilia (crocodiles, gharials, caimans and alligators): 23 species
• Sphenodontia (tuataras from New Zealand): 2 species
• Squamata (lizards, snakes and amphisbaenids (“worm-lizards”): approximately 7,900 species
• Testudines (turtles and tortoises): approximately 300 species

(wikipedia).

Most reptiles are oviparous, meaning egg laying, but some are capable of live birth.