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cf. Tropidostoma sp
From the collection of NMNH Paleobiology, Smithsonian. Free to download, adapt and use — no permission needed.
About this work
Paleozoic / Permian / Late / Cistecephalus zone
NMNH Paleobiology, Smithsonian’s own descriptionCredit linecf. Tropidostoma sp. 1961. NMNH Paleobiology, Smithsonian. CC0.
