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Hesperorthis ? costalis (Hall)
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Hesperorthis ? costalis (Hall)

Dr. Gustav A. Cooper · other

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

About this work

Paleozoic / Ordovician / Middle / Marmorian

NMNH Paleobiology, Smithsonian’s own description
Credit lineHesperorthis ? costalis (Hall). Dr. Gustav A. Cooper. NMNH Paleobiology, Smithsonian. CC0.
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