Genus: Chassternbergia (BAKKER, 1988) OLSHEVSKY, 1991
Etymology: In honor of Charles Sternberg.
= Edmontonia Subgenus Chasternbergia BAKKER, 1988
Species: rugosidens (GILMORE, 1930 ) OLSHEVSKY, 1991
Etymology: Latin, rugosus, "wrinkled" and Latin, dens, "tooth."
= Palaeoscincus rugosidens GILMORE, 1930
= Edmontonia rugosidens (GILMORE, 1930) RUSSELL,
1939
= Panoplosaurus rugosidens (GILMORE, 1930) COOMBS,
1979
= Edmontonia Subgenus Chassternbergia rugosidens (GILMORE, 1930) BAKKER, 1988
= Edmontia rugosidens HUNT & LUCAS,
1992 (sic)
Holotype: USNM 11868
Locality: Sec. 16, T. 37N, R8W, Milk River, Blackfeet Indian Reservation, Glacier County, Montana.
Horizon: Two Medicine Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material: Skull and fragmentary skeleton with armor.
Note: Paleopathology, slightly injured right premaxilla with a distinctive
noth with healed bone showieng rounded edges and a fusion of 2 caudal vertebrae
from the anterior half of the tail and would have given the animal a ‘kink’ in
it’s tail.
First cervical ring; Median, primary and secondary scutes.
A) Second median scute; B, C) laterial pectoral armor; D) Tertiary second lateral scute.
Left second cossified plates, primary and secondary. Figure D of the above illustrations belongs to this series.
Lateral pectoral armor.
Position of pectoral armor.
After Carpenter.
Position of first and second median scutes.
After BAKKER, 1988
Referred material:
= Edmontonia rugosidens COOMBS, 1971
Locality: Alberta Province, Canada.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
NMC 8879: Partial Skull.
= Edmontonia rugosidens CARPENTER, 1990Locality: Alberta Province, Canada.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
ROM 5340: Paired first medial scutes.
Locality: Near the holotype locality, Blackfeet Indian Reservation, Glacier County, Montana.Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
MOR 433: A partial skull, several vertebrae, and ribs, sacrum, a partial scapula, 2 partial humeri, sections of cervical half-rings, numerous scutes and a bifurcate spine.
Note: Ankylosaur and nodosaur osteoderms are mixed together.
= Edmontonia rugosidens CURRIE & RUSSELL, 2005
Locality: Quarry 043, 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 1215: Skull and skeleton.
Locality: Quarry 201, 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 91.36.507: Skull.
Locality: Quarry 229, 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 98.74.1: Skull.
Note: May belong to Panoplosaurus? VICKARYOUS, 2005
Locality: Quarry 230, 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 98.71.1: Skull and skeleton.
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:
UA: Skull.
= Edmontonia rugosidens LAMBE, 1902Locality: Red Deer River, Alberta Province, Canada.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given: Dermal plates.
Note: Referred to Sterocephalus tutus.
= Edmontonia rugosidens or new species WATABE, NAKAYA, & NAKAHARA, 2000Locality: Greasewood Creek, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: A well preserved skeleton with armor in situ.
Note: The scutes show some pathological traces possibly due to a predator.
= Edmontonia rugosidens VICKARYOUS, 2006
Locality: Exact locality not given, 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 98.98.01. Skull and right mandibular ramus.
RTMP 2001.12.158: Skull.
AMNH 5381: Disarticulated skull, both mandibles, and various small in situ ostoderms along the throat.
= Edmontonia cf. E. rugosidens WROBLEWSKI,1998Locality: Western Hanna Basin, Carbon County, South-central Wyoming.
Horizon: Ferris Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: