Genus: Dyoplosaurus PARKS, 1924
Etymology: Greek, dyo, “two”, Greek, hoplon, “weapon, shield”, and Greek, sauros, “lizard”: “double-armored lizard”.
= Dioplosaurus HAY, 1930 (sic)
= Dyoplasaurus MARYANSKA, 1977 (sic)

Species: acutosquameus PARKS, 1924
Etymology: Latin, acutus, "sharp" and Latin, squama, "scale."

Holotype: ROM 784 (formerly ROM 4929)

Locality: Quarry 002, Sec. 4, Tp. 21, R11W of 4th Mer., Red Deer River, Steveville, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

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.

Referred material:

PENKALSKI, 2018

UA 47273: Tail club.

 

Locality: RTMP locality 46 (not the same as locality 46 of Sternberg, 1950), Sec. 32, tp20, R11W of 4th Meridian, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

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

Material:

ROM 7761: Partial tail club.