Species: perifania LONGRICH, 2010
Etymology: Greek, perifania, "pride"; in reference to the elaborate and erect parietosquamosal frill.Holotype: RTMP 1983.25.1
Locality: Unknown, 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: A partial skull missing the rostrum, part of the left parietal, and the right side of the face.
Referred material:
Locality: Unknown, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.
Horizon: Lower Dinosaur Park Formation, upper Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
RTMP 1999.55.292: Partial ramus.
Locality: From a bonebed along the South Saskatchewan River (now Lake Diefenbaker), Saskatchewan.
Horizon: Below the Bearpaw shale in the Dinosaur Park Formation.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
NMC 8803: Partial parietals.
Locality: Unknown, in the vicinity of San Creek, 12 miles below Steveville, Red Deer River, Alberta Province, Canada.
Horizon: Lower Dinosaur Park Formation, upper Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
AMNH 5656: Partial skull missing rostrum and skull roof of a subadult?
Locality: Approximately 1 mile southeast of the ghost town of Steveville, Alberta Province, Canada.
Horizon: Lower Dinosaur Park Formation, upper Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
NMC 34893: Skull roof, postorbital horns, and squamosals.
= Chasmosaurus sp RYAN, RUSSELL, EBERTH & CURRIE, 2001
Locality: Centrosaurus bone bed (bone bed 43) 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:
RTMP 1979.11.147: Nasals, roof of braincase, supraorbital horncores, exoccipitals and occipital condyle.