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Fossil Megalodon teeth are relatively common in some areas of the world
and could more accurately be referred to as a stegocephalian or stem tetrapod
Body depth was about 43-52% of its length
Archaeobelodon
few intact examples of rhenanids have survived in the fossil record
Pterosaur, Pterodactyl Model Tyrannosaurus Rex Fossil Megalodon teeth are relativelyPterosaurs meaning "winged lizard" are flying reptiles of the extinct clade or order Pterosauria. They existed from the late Triassic to the end of the Cretaceous (228 to 66 million years ago. Pterosaurs are the earliest vertebrates known to have evolved powered flight. Their wings were formed by a membrane of skin, muscle, and other tissues stretching from the ankles to a dramatically lengthened fourth finger. Early species had long, fully toothed