Edmontosaurus annectens Marsh 1892

Reptilia - Neornithischia - Hadrosauridae

Alternative combinations: Anatosaurus annectens, Anatosaurus annectus, Claosaurus annectens, Cliosaurus annectens, Thespesius annectens, Trachodon annectens

Synonyms: Anatosaurus edmontoni Gilmore 1924, Anatosaurus longiceps Marsh 1890, Anatotitan longiceps Marsh 1890, Edmontosaurus edmontoni Gilmore 1924, Hadrosaurus longiceps Marsh 1890, Thespesius edmontonensis Gilmore 1924, Thespesius edmontoni Gilmore 1924, Trachodon longiceps Marsh 1890

Full reference: O. C. Marsh. 1892. Notice of new reptiles from the Laramie Formation. American Journal of Science 43:449-453

Belongs to Edmontosaurus according to W. Zheng et al. 2013

See also Beecher 1902, Bell 2014, Bell et al. 2014, Bell et al. 2014, Bolotsky et al. 2014, Brett-Surman 1979, Brown 1910, Brown 1912, Brown 1913, Brown 1913, Brown 1914, Brown 1914, Brown and Druckenmiller 2011, Campione 2014, Campione and Evans 2011, Cruzado-Caballero and Powell 2017, Currie and Padian 1997, Drake 1980, Drevermann 1928, Drysdale et al. 2019, Eberth 1997, Evans et al. 2009, Farke and Yip 2019, Gates et al. 2014, Gilmore 1915, Gilmore 1924, Gilmore 1924, Godefroit et al. 2004, Godefroit et al. 2012, Godefroit et al. 1998, Gregory 1948, Hatcher 1893, Hatcher 1902, Hay 1902, Hopson 1975, Horner 1992, Horner et al. 2004, Huene 1927, Hunt and Lucas 1992, Johnson 1931, Kuhn 1964, Lambe 1899, Lambe 1913, Lambe 1914, Lambe 1918, Lehman et al. 2016, Lucas 1900, Lucas 1904, Lull 1924, Lull and Wright 1942, Lund and Gates 2006, Manning et al. 2008, Mansel-Pleydell 1902, Marsh 1890, Marsh 1892, Marsh 1896, McDonald et al. 2010, Moodie 1926, Moodie 1930, Mori et al. 2016, Murphy et al. 2013, Nopcsa 1900, Olshevsky 1992, Osborn 1911, Ostrom 1965, Prieto-Márques et al. 2006, Prieto-Marquez 2010, Prieto-Márquez 2010, Prieto-Márquez 2011, Prieto-Márquez 2012, Prieto-Marquez 2013, Prieto-Márquez and Gutarra 2016, Prieto-Marquez and Salinas 2010, Prieto-Márquez and Wagner 2010, Prieto-Márquez and Wagner 2014, Ramírez-Velasco et al. 2012, Ramírez-Velasco et al. 2014, Riabinin 1930, Russell 1930, Russell 1933, Russell 1964, Russell 1966, Russell and Chamney 1967, Swinton 1970, Tatarinov 1964, Turner 1997, Versluys 1910, Versluys 1923, Vialli 1960, Vickaryous and Ryan 1997, Weishampel and Horner 1990, Wieland 1903, Williston 1898, Winkler 1893 and Woodward 1898

Sister taxa: Edmontosaurus regalis, Edmontosaurus saskatchewanensis

Type specimens:

  • Edmontosaurus annectens: USNM 2414, a skeleton. Its type locality is Schneider Creek, which is in a Maastrichtian terrestrial horizon in the Lance Formation of Wyoming.
  • Edmontosaurus edmontoni: NMC 8399, a skeleton. Its type locality is Michichi Creek, GSC (NMC), which is in a Maastrichtian terrestrial claystone in Canada.
  • Trachodon longiceps: YPM 616. Its type locality is Hatcher Springs, Johnson Brothers' ranch, which is in a Maastrichtian fluvial-lacustrine sandstone/shale in the Laramie Formation of Wyoming.

Average measurements (in mm): radius circumference 120.0, ulna circumference 170.0

Distribution:

• Cretaceous of United States (15: Montana, North Dakota, Wyoming collections)

Total: 15 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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