Species: ornata GAO & FOX, 1991
Etymology:

Holotype: UALVP 29735

Locality: Near Irvine, in S 31, Tp.11, R2, W4, about 40 km east of Medicine Hat, Irvine County, Southeastern Alberta Province, Canada.

Horizon: Oldman Formation, middle Belly River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Anterior part of a left dentary bearing 12 well preserved teeth.

Referred material:

GAO & FOX, 1996

Locality: Railway Grade Locality, Southeastern Alberta Province, Canada.

Horizon: Oldman Formation, middle Belly River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Topotypes: UALVP 2036, 29756, 29759, 29913, 29767, 29769: Tooth-bearing dentaries.

UALVP 29758: Tooth-bearing dentary.