Reptilia - Saurischia - Diplodocidae
Alternative combination: Atlantosaurus ajax
Full reference: O. C. Marsh. 1877. Notice of new dinosaurian reptiles from the Jurassic formation. American Journal of Science and Arts 14:514-516
Belongs to Apatosaurus according to E. Tschopp et al. 2015
See also Chure et al. 2006, Filla and Redman 1994, Foster and Peterson 2016, Galiano and Albersdörfer 2010, Galiano and Albersdörfer 2010, Harris 2006, Hay 1902, Hay 1930, Johnson 1931, King 1878, Marsh 1877, Marsh 1896, Marsh 1897, Mateus 2006, McIntosh 1981, McIntosh 1990, McIntosh 1990, McIntosh 1995, Mcintosh and Berman 1975, Mook 1916, Mook 1917, Nopcsa 1901, Ren et al. 2021, Saegusa and Ikeda 2014, Sauvage 1880, Schwarz et al. 2007, Steel 1970, Swinton 1970, Tatarinov 1964, Tschopp and Mateus 2013, Upchurch et al. 2004, Upchurch et al. 2004 and Zittel 1890
Sister taxon: Apatosaurus louisae
Type specimen: YPM 1860, a partial skeleton. Its type locality is Lakes Quarry 10, Morrison (YPM), which is in a Kimmeridgian/Tithonian channel mudstone/sandstone in the Morrison Formation of Colorado.
Ecology: ground dwelling herbivore
Distribution:
• Jurassic of United States (3: Colorado collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.