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Borophagus

Mammalia - Carnivora - Canidae

Synonyms
Synonymy list
YearName and author
1892Borophagus Cope
1902Dinocyon (Borophagus) Matthew p. 289
1903Hyaenognathus Merriam
1903Porthocyon Merriam
1903Hyaenognathus Merriam p. 278
1903Porthocyon Merriam p. 283 figs. Pl. 29 and P. 30, Fig 1
1930Borophagus Matthew and Stirton
1933Borophagus Stirton and VanderHoof
1933Osteoborus Stirton and VanderHoof p. 175
1940Borophagus VanderHoof and Gregory
1941Pliogulo White
1970Borophagus Bjork p. 14
1980Borophagus Kurten and Anderson p. 165
1988Borophagus Carroll
1999Borophagus Wang et al. p. 266
2004Borophagus Wang et al. p. 451
2016Borophagus Tseng and Geisler p. 1

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
RankNameAuthor
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Laurasiatheria
Scrotifera
Ferae()
CarnivoramorphaWyss and Flynn 1993
CarnivoraformesFlynn et al.
orderCarnivoraBowditch 1821
suborderCaniformiaKretzoi 1943
superfamilyCanoideaSimpson 1931
familyCanidaeFischer 1817
subfamilyBorophaginaeSimpson 1945
tribeBorophaginiSimpson 1945
subtribeBorophagina
genusBorophagusCope 1892

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.

Diagnosis
ReferenceDiagnosis
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.