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Ptyctodus calceolus (Newberry & Worthen)
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Ptyctodus calceolus (Newberry & Worthen)

E. E. Teller · other

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

About this work

Paleozoic / Devonian

NMNH Paleobiology, Smithsonian’s own description
Credit linePtyctodus calceolus (Newberry & Worthen). E. E. Teller. NMNH Paleobiology, Smithsonian. CC0.
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