Ceratosaurus nasicornis Marsh 1884 (ceratosaur)

Reptilia - Theropoda

Alternative combinations: Ceratosaurus nascomis, Megalosaurus nasicornis

Synonyms: Ceratosaurus dentisulcatus Madsen Jr. and Welles 2000, Ceratosaurus magnicornis Madsen Jr. and Welles 2000

Full reference: O. C. Marsh. 1884. Principal characters of American Jurassic dinosaurs. Part VIII. The order Theropoda. The American Journal of Science, series 3 27:329-340

Belongs to Ceratosaurus according to M. T. Carrano et al. 2012

See also Anonymous 1977, Bakker et al. 1992, Bittencourt and Kellner 2009, Bonaparte 1991, Boule 1891, Carpenter 1997, Carpenter 1999, Carrano and Sampson 2008, Chure et al. 2006, Cope 1892, Dal Sasso et al. 2018, Dalman 2014, Decker 2012, Delcourt 2018, Ezcurra 2017, Fernandes de Azevedo et al. 2013, Foster and Chure 2000, Foster et al. 2016, Gadow 1901, Gaudry 1890, Gauthier 1986, Gilmore 1920, Hanson and Makovicky 2013, Hay 1902, Hay 1930, Hendrickx and Mateus 2014, Holtz 1998, Hone et al. 2011, Hunt and Lucas 2006, Janensch 1933, Jensen 1984, Knight 1899, Kuhn 1939, Lambe 1903, Lambe 1904, Langer and Benton 2006, Lowe 1935, Madsen and Welles 2000, Malafaia et al. 2020, Mansel-Pleydell 1902, Marsh 1884, Marsh 1893, Marsh 1896, Marsh 1897, Martill et al. 2016, Mateus 2006, Mateus et al. 2011, Mateus et al. 2006, McIntosh 1981, Molnar 1974, Molnar 1991, Molnar and Pledge 1980, Mook 1916, Nopcsa 1901, Nopcsa 1915, Novas 1997, Novas et al. 2013, Osi and Buffetaut 2011, Osmolska 1981, Osmólska et al. 1972, Paul 1988, Paulina Carabajal and Canale 2010, Paulina Carabajal and Currie 2012, Perrier 1928, Rauhut 2003, Rauhut et al. 2010, Rauhut et al. 2018, Richmond and Stadtman 1996, Rowe 1989, Rowe and Gauthier 1990, Rowe et al. 1997, Ruiz et al. 2011, Sampson and Witmer 2007, Smith 2007, Soto and Perea 2008, Steel 1970, Stromer 1915, Stromer 1934, Swinton 1934, Swinton 1970, Tatarinov 1964, Tornier 1913, Tykoski and Rowe 2004, Versluys 1910, Vetter 1884, Vickaryous and Ryan 1997, von Zittel 1911, Walcott 1900, Welles 1984, Winkler 1893, Woodward 1885, Woodward 1898, Xing et al. 2014, Yates 2003, Yates 2005, Yun 2019 and Zittel 1890

Sister taxon: Ceratosaurus stechowi

Type specimens:

  • Ceratosaurus nasicornis: USNM 4735, a skeleton. Its type locality is Felch Quarry 1, Garden Park (YPM), which is in a Kimmeridgian/Tithonian channel sandstone/claystone in the Morrison Formation of Colorado.
  • Ceratosaurus dentisulcatus: UMNH VP 5278, a partial skeleton. Its type locality is Cleveland-Lloyd Dinosaur Quarry, which is in a Tithonian pond mudstone/lime mudstone in the Morrison Formation of Utah.
  • Ceratosaurus magnicornis: MWC 1.1, a skeleton (nearly complete skeleton). Its type locality is Eriksen Ceratosaurus, FPA, which is in a Kimmeridgian/Tithonian crevasse splay sandstone in the Morrison Formation of Colorado.

Ecology: ground dwelling carnivore

Distribution:

• Jurassic of Portugal (1 collection), United States (5: Colorado, Utah)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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