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Sphenacanthus aff. marshi (Newberry)
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Sphenacanthus aff. marshi (Newberry)

Orestes St.John · other

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

About this work

Paleozoic / Mississippian

NMNH Paleobiology, Smithsonian’s own description
Credit lineSphenacanthus aff. marshi (Newberry). Orestes St.John. NMNH Paleobiology, Smithsonian. CC0.
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