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Trionyx concentrica Cope, 1872
From the collection of NMNH Paleobiology, Smithsonian. Free to download, adapt and use — no permission needed.
About this work
Cenozoic / Paleogene / Eocene / Bridgerian
NMNH Paleobiology, Smithsonian’s own descriptionCredit lineTrionyx concentrica Cope, 1872. Hayden Survey. NMNH Paleobiology, Smithsonian. CC0.