Platyhystrix
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Platyhystrix is an extinct temnospondyl amphibian with a distinctive sail along its back, similar to the unrelated synapsids, Dimetrodon and Edaphosaurus. It lived during the boundary between the late
Platyhystrix BW
Platyhystrix (small, foreground) and Edaphosaurus
Georgenthalia 22DB
Edaphosaurus
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Edaphosaurus is a genus of extinct edaphosaurid synapsids that lived in what is now North America and Europe around 303.4 to 272.5 million years ago, during the Late Carboniferous to Early Permian. Th
Platyhystrix
…hústrix, 'porcupine') is an extinct temnospondyl amphibian with a distinctive sail along its back, similar to the unrelated synapsids, Dimetrodon and Edaphosaurus. It lived during the boundary between the latest Carboniferous and earliest Permian periods throughout what is now known as the Four Corners, Texas…
Edaphosaurus boanerges AMNH
Edaphosaurus pogonias
Skeleton of Edaphosaurus boanerges at the HMNH
E. pogonias mount at the Field Museum