Mammalia - Theriiformes - Arctocyonidae

Alternative combination: Deltatherium baldwini

Synonyms: Chriacus provocator Simpson 1935, Chriacus schlosserianus Cope 1888, Epichriacus schlosserianus Cope 1888, Metachriacus provocator Simpson 1935, Oxyclaenus pearcei Gazin 1941, Spanoxyodon latrunculus Simpson 1935, Tricentes crassicollidens Cope 1884, Tricentes provocator Simpson 1935

Full reference: E. D. Cope. 1882. Synopsis of the Vertebrata of the Puerco Eocene epoch. Proceedings of the American Philosophical Society 20:461-471

Belongs to Chriacus according to K. D. Rose 1996

Sister taxa: Chriacus badgleyi, Chriacus calenancus, Chriacus gallinae, Chriacus katrinae, Chriacus metocometi, Chriacus oconostotae, Chriacus pelvidens, Chriacus punitor, Chriacus truncatus

Average measurements (in mm): M3 3.50 x 5.70, p3 4.20 x 2.20, p4 4.50 x 2.80, m1 5.28 x 3.92