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Helicoprion ferrieri (Hay)
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Helicoprion ferrieri (Hay)

C. L. Breger · 17 Jun 1909 · other

From the collection of NMNH Paleobiology, Smithsonian. Free to download, adapt and use — no permission needed.

About this work

Paleozoic / Permian

NMNH Paleobiology, Smithsonian’s own description
Credit lineHelicoprion ferrieri (Hay). 17 Jun 1909. C. L. Breger. NMNH Paleobiology, Smithsonian. CC0.
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