Sphenocoelus hyognathus Osborn 1889

Mammalia - Perissodactyla - Brontotheriidae

Alternative combinations: Dolichorhinus hyognathus, Palaeosyops hyognathus, Telmatherium hyognathum

Synonyms: Dolichorhinus cornutum Osborn 1895, Dolichorhinus cornutus Osborn 1895, Dolichorhinus longiceps Douglass 1909, Sphenocoelus cornutum Osborn 1895, Telmatotherium cornutum Osborn 1895

Belongs to Sphenocoelus according to B. J. Mader 2008

See also Hay 1902, Mader 1989, Mader 1998, Mihlbachler 2008, Osborn 1908, Osborn 1929, Peterson 1924 and Riggs 1912

Sister taxa: Sphenocoelus intermedius, Sphenocoelus uintensis, Dolichorhinus vallidens

Type specimens:

  • Sphenocoelus hyognathus: Its type locality is Washakie B (Lower), which is in an Uintan terrestrial horizon in the Washakie Formation of Wyoming
  • Dolichorhinus longiceps:
  • Sphenocoelus cornutum: AMNH 1851, a skull. Its type locality is Wagonhound Canyon (Uinta B2), which is in an Uintan terrestrial horizon in the Uinta Formation of Utah.

Distribution:

• Eocene of United States (2: Utah, Wyoming collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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