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Dryosaurus altus Marsh 1878 (bird foot dinosaur)

Reptilia - Neornithischia - Dryosauridae

PaleoDB taxon number: 54253

Alternative combinations: Laosaurus altas, Laosaurus altus

Full reference: O. C. Marsh. 1878. Principal characters of American Jurassic dinosaurs. Part I. American Journal of Science and Arts 16:411-416

Belongs to Dryosaurus according to W. Zheng et al. 2013

Sister taxa: none

Type specimen: YPM 1876. 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.

Ecology: ground dwelling herbivore

Average measurements (in mm): femur 336.0 x 29.3, fibula length 366.0, humerus length 135.8, radius length 148.0, tibia length 422.8, ulna length 152.0

Estimated body mass: 91.8 kg based on femur length