Genus
Valid Extinct

Orodromeus

Horner and Weishampel 1988
Etymology Coureur sur la montagne

Orodromeus is a genus of herbivorous orodromine thescelosaurid dinosaur from the Late Cretaceous of North America. Only one species is known, the type species Orodromeus makelai.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
9
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Orodromeus
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Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Ornithischia Unranked clade
›
Neornithischia Unranked clade
›
Thescelosauridae Family
›
Orodrominae Subfamily
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Orodromeus Genus
Fossil sites 9 geolocated sites
Distribution
Top countries
🇺🇸 United States
9
Geological formations
Two Medicine
7
Judith River
1
Hell Creek
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
1
Campanian (83.6–72.2 Ma)
8
Species (1)
Orodromeus makelai 84 Ma
Images 1
Bibliography
Original description
J. R. Horner and D. B. Weishampel. 1988. A comparative embryological study of two ornithischian dinosaurs. Nature 332:256-257 DOI ↗
Bibliography (5)
M. T. Carrano. 2006. Fossil Vertebrate Collections, Museum of the Rockies
P. M. Galton. 1995. The species of the basal hypsilophodontid dinosaur Thescelosaurus Gilmore (Ornithischia: Ornithopoda) from the Late Cretaceous of North America. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 198(3):297-311 DOI ↗
K. F. Hirsch and B. Quinn. 1990. Eggs and eggshell fragments from the Upper Cretaceous Two Medicine Formation of Montana. Journal of Vertebrate Paleontology 10(4):491-511 DOI ↗
J. R. Horner and D. B. Weishampel. 1988. A comparative embryological study of two ornithischian dinosaurs. Nature 332:256-257 DOI ↗
M. Montellano. 1988. Alphadon halleyi (Didelphidae, Marsupialia) from the Two Medicine Formation (Late Cretaceous, Judithian) of Montana. Journal of Vertebrate Paleontology 8(4):378-382 DOI ↗