Oryctodromeus

Oryctodromeus (meaning "digging runner") was a genus of small orodromine thescelosaurid dinosaur. Fossils are known from the Late Cretaceous Blackleaf Formation of southwestern Montana and the Wayan Formation of southeastern Idaho, USA, both of the Cenomanian stage, roughly 95 million years ago. A member of the small, presumably fast-running herbivorous family Thescelosauridae, Oryctodromeus is the first non-avian dinosaur published that shows evidence of burrowing behavior.

Oryctodromeus
Temporal range: Late Cretaceous,
Reconstructed skeleton, Museum of the Rockies
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Ornithischia
Family: Thescelosauridae
Subfamily: Orodrominae
Genus: Oryctodromeus
Varricchio et al., 2007
Type species
Oryctodromeus cubicularis
Varricchio et al., 2007
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