†Tomarctus Cope 1873 (bone-crushing dog)
Mammalia - Carnivora - Canidae
Parent taxon: Aelurodontina according to X. Wang et al. 1999
Sister taxon: Aelurodon
Subtaxa: Tomarctus brevirostris, Tomarctus hippophaga
Ecology: ground dwelling carnivore-omnivore