Teleoceras fossiger Cope 1878

Mammalia - Perissodactyla - Rhinocerotidae

Alternative combination: Aphelops fossiger

Synonym: Aceratherium acutum Marsh 1887

Full reference: E. D. Cope. 1878. Descriptions of new extinct Vertebrata from the Upper Tertiary and Dakota Formations. Bulletin of the United States Geological and Geographical Survey of the Territories 4(2):379-396

Belongs to Teleoceras according to D. R. Prothero 2005

See also Cope 1878, Cope and Matthew 1915, Hay 1902, Marsh 1887, Matthew 1918, Prothero and Manning 1987, Scott and Osborn 1890 and Skinner et al. 1968

Sister taxa: Teleoceras (Mesoceras), Teleoceras americanum, Teleoceras brachyrhinum, Teleoceras felicis, Teleoceras guymonense, Teleoceras hicksi, Teleoceras major, Teleoceras medicornutum, Teleoceras meridianum, Teleoceras proterum, Teleoceras pugnator, Teleoceras snowi

Type specimens:

  • Teleoceras fossiger: Its type locality is Long Island Quarry, which is in a Hemphillian terrestrial horizon in the Ogallala Formation of Kansas
  • Aceratherium acutum:


• Pliocene of Mexico (2 collections)

• Hemphillian of United States (14: California, Kansas, Nebraska, Nevada, Oklahoma, Texas)

• Miocene of United States (5: Kansas, Nevada, New Mexico, Oregon)

Total: 21 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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