are cold-blooded vertebrates. They have dry, scaly skin and claws. Their young, either born alive or hatched from eggs laid on land, are air breathers.
Listing of protected reptiles
) have hard, bony scales on their backs and soft, smooth scales on their bellies. Most are now threatened or endangered despite their 150 million year history.
, suborder Lacertilia
) are very similar to snakes but most have legs, external ear openings, and eyelids.
) in Florida all belong to the suborder Cryptodira
because they can pull their heads directly into their shells.
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