Category Archives: Permian

Helicoprionids

Heliocoprionids Heliocoprionid sp. Timeline: Late Permian (299-251 Million years ago) Maximum size: Uncertain Predator advantage: teeth Likely prey: Fishes, cephalopods The prehistoric shark Heliocoprionid sp. swan the seas in the Pennsylvannian (318-299 million years ago). A continuous whorl of teeth … Continue reading

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Posted in Fauna, fossils, Paleontology, Permian | Leave a comment