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Monoclonius flexus Brown, 1914
From the collection of NMNH Paleobiology, Smithsonian. Free to download, adapt and use — no permission needed.
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Mesozoic / Cretaceous / Late / Campanian
NMNH Paleobiology, Smithsonian’s own descriptionCredit lineMonoclonius flexus Brown, 1914. 13 Jun 1928. George F. Sternberg. NMNH Paleobiology, Smithsonian. CC0.