ammonites
Aelurodon mcgrewi Wang et al. 1999 (bone-crushing dog)

Mammalia - Carnivora - Canidae

Full reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392

Belongs to Aelurodon according to X. Wang et al. 2004

Sister taxa: Aelurodon asthenostylus, Aelurodon ferox, Aelurodon montanensis, Aelurodon stirtoni, Aelurodon taxoides

Type specimen: Its type locality is South of Norden, which is in a Barstovian terrestrial horizon in the Valentine Formation of Nebraska

Ecology: ground dwelling carnivore-omnivore

Average measurements (in mm): P4 26.2 x 11.3, M1 16.0 x 17.8, M2 7.05 x 10.40, p4 14.8 x 8.8, m1 25.7 x 10.1, m2 10.4 x 7.7