Genus: Nova HORNER, VARRICCHIO & GOODWIN, 1992
Locality: Montana.
Horizon: Upper Two Medicine Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given: 3 specimens.
Note: In terminate between Daspletosaurus and Tyrannosaurus.