Species: foliatus COPE, 1882
Etymology:

Holotype: AMNH 3035

Locality:

Horizon:

Biostratigraphy:

Age:

Material: Dentary with teeth.

Referred material:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

UCM 34979: Dentary with teeth.

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Species: joyneri SLOAN & VAN VALEN, 1965
Etymology:

Holotype: UMVP 1494

Locality: Bug Creek Anthills, Western McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Right maxilla with complete palate, M1, roots of P4, alveoli of P3 and M2.

Referred material:

Locality: Bug Creek West, west half of sec. 9, T22N, R43E, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

Locality: Harbicht Hill, Sec. 32, T25N, R43E, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

 

FOX, 1989

Locality: Fr-1, near Ravenscrag, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UALVP 22760: UI2.

Locality: Long Fall, MNBT Quarry, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UALVP 22778: LI1.

UALVP 22821: LI1.

UALVP 16056: UI2.

UALVP 22779-22783: UI2.

LUPTON, GABRIEL & WEST, 1980

Locality: MPM locality 2256, Chris's Bonebed, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: 2 upper incisors.

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Species: johnstoni FOX, 1989
Etymology:

Holotype: UALVP 16058

Locality: Medicine Hat Brick and Tile Quarry, 3 km NW Ravenscrag, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Left LM1.

Referred material:

UALVP 16057: LI1.

UALVP 22777: UM2.