Genus: Medusaceratops RYAN, RUSSELL & HARTMAN, 2010
Etymology: In reference to Medusa (mythological Greek figure) and Latinized Greek, ceratops, "horned-face": Medusa was a monster in Greek mythology with 'hair' comprised of snakes and a gaze that would turn men to stone. The allusion refers to the large, thick snake-like spines that extend from the lateral margins of the posterior portion of the parietal.

Species: lokii RYAN, RUSSELL & HARTMAN, 2010
Etymology: Loke (mythological Norse figure). Loki was a Norse god who contrived mischief for his fellow gods, the name thus alluding to the confusion experenced in tyring to assign taxonomic designations to the material collected form the bonebed.

Referred material:

 

WANG, XING, ROTHSCHILD, DU, WEN, LIN, KANG & SU, 2026

Locality: Near Joplin (Havre), Hill County, Montana.

Horizon: Equivalent to the Lowermost Oldman Formation, middle Judith River Group.

Biostratigraphy:

Age: Judith Age, Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

HS0385: Skull and skeleton.

Note: 7th caudal vertebra with a pathology, an expansile lesion on the ventral side of the centrum.