Arkivism
Sphenophyllum arkansanum White
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Sphenophyllum arkansanum White

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

About this work

24 Mar 2026

NMNH Paleobiology, Smithsonian’s own description
Subjects
SyntypesTaxonomic type specimens
Credit lineSphenophyllum arkansanum White. NMNH Paleobiology, Smithsonian. CC0.
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