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cf. Helicoprion ferrieri (Hay)
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cf. Helicoprion ferrieri (Hay)

M. I. Goldman · 2 Sep 1940 · other

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

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Paleozoic / Permian

NMNH Paleobiology, Smithsonian’s own description
Credit linecf. Helicoprion ferrieri (Hay). 2 Sep 1940. M. I. Goldman. NMNH Paleobiology, Smithsonian. CC0.
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