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Primitive animals on prehistoric land.

Fragmentary fossil of pelycosaur, a mammal-like reptile sometimes called a sail reptile or synapsid amniote, from the Permian or Triassic Period

Pelycosaur Dimetrodon
Computer generated 3D illustration

Pelycosaur Dimetrodon
Computer generated 3D illustration

Pelycosaurs hand drawing vector isolated on black background.

Free stock photospelycosaur (1)

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Fragmentary fossil of pelycosaur, a mammal-like reptile sometimes called a sail reptile or synapsid amniote, from the Permian or Triassic Period

Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/fragmentary-fossil-pelycosaur-mammallike-reptile-sometimes-202310968">Image used under license from Freestock.com</a>