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Anchisaurus polyzelus Hitchcock 1865 (saurischian)

Reptilia - Saurischia

PaleoDB taxon number: 64382

Fleshed-out skeletal reconstruction of Anchisaurus (Yaleosaurus) colurus by R. S. Lull, YPM (left side).
Fleshed-out skeletal reconstruction of Anchisaurus (Yaleosaurus) colurus by R. S. Lull, YPM (right side).

Alternative combinations: Amphisaurus polyzelus, Megadactylus polyzelus, Thecodontosaurus polyzelus

Synonyms: Ammosaurus major Marsh 1889 (no. 54161), Ammosaurus solus Marsh 1892 (no. 64384), Anchisaurus coelurus Marsh 1891 (no. 100593), Anchisaurus colurus Marsh 1891 (no. 63775), Anchisaurus major Marsh 1889 (no. 63763), Anchisaurus solus Marsh 1892 (no. 57619), Yaleosaurus colurus Marsh 1891 (no. 64381), Yaleosaurus solus Marsh 1892 (no. 358415)

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. Wright and Potter, Boston 39-40

Belongs to Anchisaurus according to T. J. Fedak and P. M. Galton 2007

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 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.
  • Anchisaurus 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.

Ecology: