a plant-eating orodromine ornithopod dinosaur from the Late Cretaceous of North America.
Horner and Weishampel (1998
(Makela's Mountain Runner)Etymology
is derived from the Greek "oros" (mountain) in reference to the Egg Mountain site where it was found, and "dromeus" (runner) because of the animal's presumed cursorial (running) habits.
The species epithet
, honors Robert Makela.
The remains of Orodromeus
were discovered in Montana's Two Medicine Formation by Robert Makela during the excavation of "Egg Mountain", the Teton County nesting ground of Maiasaura
(the good mother lizard).
(MOR 294) is a partial skeleton with skull.
: Late Cretaceous
: 80-73 mya
Est. max. length
: 2.5 meters
Est. max. hip height
: 0.7 meters
Est. max. weight
: 45 Kg
• Horner J. and Weishampel D. (1988) "A comparative embryological study of two ornithischian dinosaurs". Nature (London), 332 (No.6161):256-257.
• Scheetz R.D. (1999) "Osteology of Orodromeus makelai
and the phylogeny of basal ornithopod dinosaurs". Ph.D. Thesis in Biology, Montana State University, Bozeman, 189 pp.
• Varricchio D.J, Martin A.J. and Katsura Y. (2007) "First trace and body fossil evidence of a burrowing, denning dinosaur
". Proc. R. Soc. B 274, 1361–1368. doi:10.1098/rspb.2006.0443
• Martin A.J. (2005) "Introduction to the Study of Dinosaurs
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