Genus: Oryctodromeus VARRICCHIO, MARTIN, & KATSURA, 2007
Etymology: Greek, orycto, "digging"; Greek, dromeus, "runner"; Digging runner.

Species: cubicularis VARRICCHIO, MARTIN, & KATSURA, 2007
Etymology: Greek, cubiculairs, translates to "of the lair," referring to the inferred denning habit of the taxon.

Holotype: MOR 1636a

Locality: Near Lima Beaks, Beaverhead County, Montana.

Horizon: Blackleaf Formation.


Age: Cenomanian Stage, Upper Middle Gallic Subepoch, Lowermost Gulf Epoch, Upper portion of the Mid-Cretaceous.

Material: Fused premaxillae, posterior/occipital region of the braincase, 3 cervical, 6 dorsal, sacrum and 23 caudal vertebrae, 3 dorsal ribs, scapulocoracoid, scapula, coracoid, humerus, ulna, radius, tibiae, distal fibula and metatarsal IV.

Oryctodromeus cubicularis (modified from VARRICCHIO, et al., 2007), Holotype: MOR 1636a


MOR 1636b: Cranial and postcranial materials found in association with holotype and represents 2 juveniles.

Note: Found in a burrow.