They are tetrapods.
Yes, tetrapods are believed to be direct descendants of fish. Around 360 million years ago, some fish evolved to have limbs and eventually transitioned onto land, giving rise to tetrapods.
Tetrapods
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OCTAGON
Yes.
lizard The common ancestor of all modern tetrapods looked like a fish that had nubs the became limbs through evolution.
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all reptiles are cold blooded and are tetrapods
Tetrapods
Both are tetrapods and belong to super class Tetrapoda .
The word "tetrapod" literally translates as "four legs." Most tetrapods have four limbs, not counting the tail. There are some exceptions, snakes being the most obvious.