Non-bird, non-, and non- archosaurs resembling more diapsids.

Crocodiles in particular resemble , though this is primarily because both lizards and crocodiles physically resemble what presumably were the original amniotes. That is, these are tetrapods that generally lack a more .

As applied to order , these include , crocodiles as more narrowly defined (), and . These are all semi--living through reptiles adapted to live in warm .

Video (Crocodile with teeth are like those of mammals)

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