Genus: Nova RYAN, 2007
Holotype:
Locality: Near Havre, Hill County, Montana.
Horizon: Equivalent to the Lowermost Oldman Formation, middle Judith River Group.
Biostratigraphy:
Age: Judith Age, Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: Fragmentary skulls, and fragmentary skeletons.