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Sphenocoelus Osborn 1895 (brontothere)

Mammalia - Perissodactyla - Brontotheriidae

Synonyms: Dolichorhinoides Granger and Gregory 1943, Dolichorhinus Hatcher 1895, Tanyorhinus Cook 1926

Parent taxon: Dolichorhininae according to B. J. Mader 2008

Sister taxon: Mesatirhinus

Subtaxa: Dolichorhinus vallidens, Sphenocoelus hyognathus, Sphenocoelus intermedius, Sphenocoelus uintensis

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Type: Sphenocoelus uintensis

Ecology: ground dwelling browser