|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Carnivora - Canidae
It was reranked as Dinocyon (Borophagus) by Matthew (1902); it was synonymized subjectively with Dinocyon by Matthew (1902); it was considered a nomen dubium by Matthew (1918).
It was assigned to Dinocyon by Matthew (1902); to Simocyoninae by Kurten and Anderson (1980); to Canidae by Cope (1892), Matthew and Stirton (1930), Stirton and VanderHoof (1933), VanderHoof and Gregory (1940) and Carroll (1988); to Borophagina by Wang et al. (1999) and Wang et al. (2004); and to Borophaginae by Bjork (1970) and Tseng and Geisler (2016).
|Year||Name and author|
|1902||Dinocyon (Borophagus) Matthew p. 289|
|1903||Hyaenognathus Merriam p. 278|
|1903||Porthocyon Merriam p. 283 figs. Pl. 29 and P. 30, Fig 1|
|1930||Borophagus Matthew and Stirton|
|1933||Borophagus Stirton and VanderHoof|
|1933||Osteoborus Stirton and VanderHoof p. 175|
|1940||Borophagus VanderHoof and Gregory|
|1970||Borophagus Bjork p. 14|
|1980||Borophagus Kurten and Anderson p. 165|
|1999||Borophagus Wang et al. p. 266|
|2004||Borophagus Wang et al. p. 451|
|2016||Borophagus Tseng and Geisler p. 1|
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|R. A. Stirton and V. L. VanderHoof 1933 (Osteoborus)||First three premolars greatly reduced in size; anterior pre-
molars (1-3 / 1 or 2-3) with prominent central cusp and small or absent anterior and posterior cusps; p4 with posterior accessory cusp above talonid; parastyle on P!; protocone on P! vestigial or absent; M;: with metaconid; m1 with wide inner heel; m2-3 intermediate in structure between Hyaenognathus and Aelurodon; superior branch of premaxilla strong, and meets anterior extension of frontals, excluding maxillaries from contact with nasals.