Holotype

CM 3018

Apatosaurus louisae

Open the Apatosaurus ajax profile

Facts

Catalog number: CM 3018
Institution: Carnegie Museum of Natural History (CM)
Year found: 1909
Found by: Earl Douglass
Locality: Carnegie Quarry, Dinosaur National Monument, Utah
Formation: Morrison Formation

Excavation history

The most complete Apatosaurus, a postcranial skeleton described by Holland (1915) and monographed by Gilmore (1936).