Alternative combinations: Amphisaurus polyzelus, Megadactylus polyzelus, Thecodontosaurus polyzelus
Synonyms: Ammosaurus major Marsh 1889, Ammosaurus solus Marsh 1892, Anchisaurus coelurus Marsh 1891, Anchisaurus colurus Marsh 1891, Anchisaurus major Marsh 1889, Anchisaurus solus Marsh 1892, Yaleosaurus colurus Marsh 1891, Yaleosaurus solus Marsh 1892
Full reference: E. Hitchcock. 1865. Appendix [A]. Bones of Megadactylus polyzelus. Supplement to the Ichnology of New England. A Report to the Government of Massachusetts in 1863 39-40
Belongs to Anchisaurus according to A. M. Yates 2010
See also Abel 1908, Apaldetti et al. 2011, Attridge et al. 1985, Barrett et al. 2007, Benedetto 1973, Bittencourt and Kellner 2009, Bock 1952, Case 1922, Charig 1967, Cope 1870, Demathieu 1970, Fedak 2003, Fedak and Galton 2007, Gadow 1901, Galton 1971, Galton 1973, Galton 1976, Galton 2007, Galton and Cluver 1976, Galton and Upchurch 2004, Gaudry 1896, Hay 1902, Hay 1910, Hay 1930, Hitchcock 1865, Hitchcock 1898, Huene 1914, Huene 1914, Huene 1914, Huene 1926, Huene 1932, Huene 1940, Huene 1941, Kuhn 1939, Kuhn 1958, Lull 1904, Lull 1912, Lull 1915, Lull 1917, Lull 1953, Mansel-Pleydell 1902, Marsh 1882, Marsh 1885, Marsh 1889, Marsh 1891, Marsh 1892, Marsh 1896, Nesbitt et al. 2007, Nopcsa 1901, Olsen and Galton 1984, Perrier 1928, Quenstedt 1882, Smith and Pol 2007, Steel 1970, Tatarinov 1964, Tweet and Santucci 2011, Tweet and Santucci 2018, Upchurch et al. 2007, Van Hoepen 1920, Versluys 1910, von Zittel 1911, Weishampel 2006, Woodward 1898, Young 1941 and Zittel 1890
Sister taxa: none
Type specimens:
- Anchisaurus polyzelus: Its type locality is Springfield Armory, which is in a Hettangian/Sinemurian terrestrial sandstone in the Portland Formation of Massachusetts
- Ammosaurus major: YPM 208, a set of postcrania. Its type locality is Wolcott quarry, Manchester, which is in a Hettangian/Sinemurian terrestrial sandstone in the Portland Formation of Connecticut.
- Ammosaurus solus: YPM 209, a partial skeleton. Its type locality is Wolcott quarry, Manchester, which is in a Hettangian/Sinemurian terrestrial sandstone in the Portland Formation of Connecticut.
- Anchisaurus colurus: YPM 1883, a partial skeleton. Its type locality is Wolcott quarry, Manchester, which is in a Hettangian/Sinemurian terrestrial sandstone in the Portland Formation of Connecticut.
Distribution:
• Jurassic of United States (2: Connecticut, Massachusetts collections)
Total: 2 collections including 4 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.