Species
Valid Extinct

Orodromeus makelai

Horner and Weishampel 1988

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
8
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
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PBDB ↗
Classification
Dinosauria Unranked clade
›
Ornithischia Unranked clade
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Neornithischia Unranked clade
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Thescelosauridae Family
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Orodrominae Subfamily
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Orodromeus Genus
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Orodromeus makelai Species
Fossil sites 8 geolocated sites
Distribution
Top countries
🇺🇸 United States
8
Geological formations
Two Medicine
6
Judith River
1
Hell Creek
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
1
Campanian (83.6–72.2 Ma)
7
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 (4)
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 ↗
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 ↗