ammonites
banner
Gateway to the Paleobiology Database
Stegosaurus armatus Marsh 1877 (ornithischian)

Reptilia - Ornithischia - Stegosauridae

PaleoDB taxon number: 52941

Synonyms: Diracodon laticeps Marsh 1881 (no. 52993), Stegosaurus duplex Marsh 1887 (no. 56495)

Full reference: O. C. Marsh. 1877. A new order of extinct Reptilia (Stegosauria) from the Jurassic of the Rocky Mountains. American Journal of Science and Arts 14:513-514

Belongs to Stegosaurus according to International Commission on Zoological Nomenclature 2013

Sister taxa: Stegosaurus affinis, Stegosaurus armatus, Stegosaurus stenops, Stegosaurus ungulatus, Wuerhosaurus homheni, Hypsirhophus seeleyanus, Stegosaurus discurus

Type specimens:

  • Stegosaurus armatus: BMNH 46013, a set of postcrania. Its type locality is Swindon Brick and Tile Company brick pit, which is in a Kimmeridgian marine claystone in the Kimmeridge Clay Formation of the United Kingdom.
  • Diracodon laticeps: YPM 1885. Its type locality is Quarry 13, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian crevasse splay sandstone/claystone in the Morrison Formation of Wyoming.
  • Stegosaurus duplex: YPM 1858. Its type locality is Quarry 11, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian wet floodplain mudstone in the Morrison Formation of Wyoming.

Ecology: ground dwelling herbivore