(thing) by cmell Sat Nov 13 1999 at 8:57:14
Class Reptilia are scaly terrestrial vertebrates, mostly exothermic. They developed from semi-aquatic amphibians in the early mesozoic era.

Snakes, lizards, turtles, are contemporary reptiles. Until 63 million years Before Present, dinosaurs were the dominant land animal. Mammals and birds, classes Mammalia and Aves developed from archaic reptiles.

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