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Archegosaurus is a genus of amphibian which lived during the Asselian to Wuchiapingian ages of the Permian, around 299-253 million years ago.

Archegosaurus Head

Archegosaurus is a genus of amphibian which lived during the Asselian to Wuchiapingian ages of the Permian,…

Archegosaurus is a genus of amphibian which lived during the Asselian to Wuchiapingian ages of the Permian, around 299-253 million years ago. Pictured here is the dorsal vertebrae.

Dorsal Vertebrae of the Archegosaurus

Archegosaurus is a genus of amphibian which lived during the Asselian to Wuchiapingian ages of the Permian,…