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Tomarctus brevirostris

Mammalia - Carnivora - Canidae

Taxonomy
Tomarctus brevirostris was named by Cope (1873) [genotype]. It is a 3D body fossil. Its type locality is Courthouse Butte, which is in a Hemingfordian terrestrial horizon in the Pawnee Creek Formation of Colorado.

Sister species lacking formal opinion data

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1873Tomarctus brevirostris Cope p. 2
1924Aelurodon francisi Hay p. 2
1924Aelurodon simulans Hay p. 2
1999Tomarctus brevirostris Wang et al. p. 165
2016Tomarctus brevirostris Smith et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
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
genusTomarctus
speciesbrevirostris

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
E. D. Cope 1873First premolar one, second two-rooted. Anterior half of the carnassial with the usual sectorial structure, the anterior lobe the smaller. The inner tubercle about the same height. The heel constitutes one-third the length of the tooth, and its lateral tubercles are angular, the posterior low. Enamel slightly rugose.