FossilRange
Rock formation · Cretaceous · Canada, United States

Bearpaw Shale Formation

The Bearpaw Shale Formation holds 5 genera from this site (20th of 26 formations), in 7 fossil records. Its dinosaur-bearing records date to the Campanian (83.6–72.1 Ma), with finds in Alberta and Montana.

Genera recorded here

Records in this formation, and the share of each genus's total records that come from it.

GenusRecords hereAgeGroupShare of genus
Prosaurolophus383.6–72.1 MaOrnithopods20%
Edmontonia183.6–66 MaArmoured & plated dinosaurs6%
Euoplocephalus183.6–72.1 MaArmoured & plated dinosaurs6%
Gryposaurus1199.5–72.1 MaOrnithopods3%
Panoplosaurus183.6–66 MaArmoured & plated dinosaurs7%

Age ranges of its genera

Overall stage range of each genus (all formations).

GryposaurusGryposaurus: 199.5–72.1 MaEuoplocephalusEuoplocephalus: 83.6–72.1 MaProsaurolophusProsaurolophus: 83.6–72.1 MaEdmontoniaEdmontonia: 83.6–66 MaPanoplosaurusPanoplosaurus: 83.6–66 MaNorianToarcianAptianAlbianCampanian205.7199.5192.9184.2174.7168.2161.5154.8149.2139.8132.6125.8113.2100.593.986.372.166million years ago
GryposaurusGryposaurus: 199.5–72.1 MaEuoplocephalusEuoplocephalus: 83.6–72.1 MaProsaurolophusProsaurolophus: 83.6–72.1 MaEdmontoniaEdmontonia: 83.6–66 MaPanoplosaurusPanoplosaurus: 83.6–66 Ma205.7184.2161.5139.8113.289.866million years ago

Where it crops out

Fossil records with coordinates.

Groups present

Armoured & plated dinosaurs (3), ornithopods (2).

  • Armoured & plated dinosaurs3
  • Ornithopods2

States & provinces

  • Alberta5
  • Montana2