Genus: Dyoplosaurus PARKS, 1924
Etymology: Greek, dyo, “two”, Greek, hoplon, “weapon, shield”, and Greek, sauros, “lizard”: “double-armored lizard”.

Species: acutosquameus PARKS, 1924

Holotype: ROM 784 (formerly ROM 4929):

Locality: Sec. 4, Tp. 21, R11W of 4th Mer., Red Deer River, Steveille, Dinosaur Provincial Park, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.


Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: 3 fragmentary teeth, fragmentary skull, mandible, ilium, posterior axial skeleton with tail club, all of one hind limb including pes, armour, with skin impressions.