Genus: Centrosaurus LAMBE, 1904
Etymology: Greek, knetron, “spur, sharp point, and Greek, sauros, “lizard”: “spur (crest) lizard”.

Species: apertus LAMBE, 1904
Etymology: Latin, apertio, ‘an opening.’ (feminine); in reference to the large ‘holes’ in the frill.

Locality: 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:

HONE, TANKE & BROWN, 2018

RTMP 2014.012.0036: Fragment of a squamosal of a subadult.

Note: Bitemarks (feeding trace).