Prehistoric Vertebrates and Prehistoric Invertebrates / by Bowers, Sammy, author 648388

“…It appeared in the Upper Devonian (Famennian) about 365 million years ago, and was anatomically intermediate between lobe-finned fishes and the first tetrapods fully capable of coming onto land. …”

Tetrapods (Class of Vertebrate) / by Muniz, Larry, author 648579

“…The earliest tetrapods evolved from the lobe-finned fishes in the Devonian. They are now a dominant part of the terrestrial fauna, representing all known larger land animals. …”
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