Triceratops prorsus Marsh 1890 (ceratopsid)

Reptilia - Neornithischia - Ceratopsidae

Alternative combination: Agathaumas prorsus

Full reference: O. C. Marsh. 1890. Description of new dinosaurian reptiles. The American Journal of Science, series 3 39:81-86

Belongs to Triceratops according to N. R. Longrich and D. J. Field 2012

See also Anonymous 1923, Arldt 1930, Breithaupt 1985, Brown 1906, Campione and Holmes 2006, Dodson and Currie 1990, Dodson et al. 2004, Drevermann 1913, Erickson 1966, Farke 2007, Farke 2011, Forster 1996, Goodwin and Horner 2010, Gray 1946, Hatcher et al. 1907, Hay 1902, Huene 1927, Knight 1899, Kuhn 1964, Lambe 1915, Lehman 1990, Lehman 1998, Longrich 2014, Lull 1903, Lull 1910, Lull 1933, Lull and Gray 1949, Lydekker 1893, Maidment and Barrett 2011, Mansel-Pleydell 1902, Marsh 1890, Marsh 1893, Marsh 1896, Ostrom 1965, Ostrom and Wellnhofer 1986, Ostrom and Wellnhofer 1990, Parks 1925, Pompeckj 1920, Russell 1930, Russell 1964, Russell 1984, Scannella and Horner 2010, Schlaikjer 1935, Sloan 1976, Sloan 1985, Sternberg 1940, Sternberg 1949, Swinton 1934, Swinton 1970, Tatarinov 1964, Tokaryk 1986, Tornier 1913, von Zittel 1911, Woodward 1898 and Zittel 1890

Sister taxa: Triceratops horridus, Triceratops sulcatus, Triceratops utahensis, Ojoceratops fowleri, Tatankaceratops sacrisonorum

Type specimen: YPM 1822, a skull. Its type locality is Middle Fork, Dry Creek, which is in a Maastrichtian terrestrial sandstone/sandstone in the Laramie Formation of Wyoming.

Ecology: ground dwelling herbivore

Distribution:

• Cretaceous of Canada (5: Saskatchewan collections), United States (10: Montana, North Dakota, Wyoming)

Total: 15 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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