Mesatirhinus megarhinus Earle 1891

Mammalia - Perissodactyla - Brontotheriidae

Alternative combination: Palaeosyops megarhinus

Synonym: Mesatirhinus petersoni Osborn 1908

Full reference: C. Earle. 1891. On a New Species of Palæosyops.-Palæosyops megarhinus, sp. nov. The American Naturalist 25(289):45-47

Belongs to Mesatirhinus according to B. J. Mader 2008

See also Earle 1891, Hay 1902, Mader 1989, Mader 1998, Mihlbachler 2008, Osborn 1908, Osborn 1929, Peterson 1924 and Riggs 1912

Sister taxon: Mesatirhinus junius

Type specimens:

  • Mesatirhinus megarhinus: PU 10008
  • Mesatirhinus petersoni: Its type locality is Cat-tail Spring, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.


• Eocene of United States (3: Wyoming collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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