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Edaphosaurus - Libor Balák

Centrosaurus, Pachyrhinosaurus, Anchiceratops, Chasmosaurus, Protoceratops skulls - Triceratops horridus "Raymond" skeleton, National Science Museum, Tokyo, Japan.

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Edaphosaurus was a genus of sail-back synapsid, a group of animals that includes mammals and their relatives. It lived from the late Carboniferous to the early Permian. Even though Edaphosaurus resembled a dinosaur, they were not dinosaurs. They are actually ancestors of early mammals.


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