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Tomarctus hippophaga

Mammalia - Carnivora - Canidae

Taxonomy
Tephrocyon hippophagus was named by Matthew and Cook (1909). Its type specimen is AMNH 13836, a mandible, and it is a 3D body fossil. Its type locality is Trojan Quarry, which is in a Barstovian terrestrial horizon in the Olcott Formation of Nebraska.

It was synonymized subjectively with Tomarctus brevirostris by Matthew (1924), VanderHoof and Gregory (1940) and Olsen (1956); it was recombined as Tomarctus hippophaga by Storer (1975), Skinner et al. (1977), Wang et al. (1999) and Wang et al. (2008).

Synonymy list
YearName and author
1909Tephrocyon hippophagus Matthew and Cook p. 373 fig. 4
1975Tomarctus hippophaga Storer
1977Tomarctus hippophaga Skinner et al.
1999Tomarctus hippophaga Wang et al.
2008Tomarctus hippophaga Wang et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
RankNameAuthor
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
familyCanidae
subfamilyBorophaginae
tribeBorophaginiSimpson 1945
subtribeAelurodontina
genusTomarctus
specieshippophaga()

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.

†Tomarctus hippophaga Matthew and Cook 1909
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Diet 2: omnivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-22 19:28:06
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979

Age range: base of the Barstovian to the top of the Hemingfordian or 16.30000 to 15.97000 Ma

Collections (36 total)


Time interval Ma Country or state Original ID and collection number
Hemingfordian20.43 - 15.97USA (Nebraska) Tomarctus hippophaga (17909 17979 17999)
Hemingfordian20.43 - 15.97USA (California) Tomarctus hippophaga (19233 19586)
Barstovian16.3 - 12.5USA (Nebraska) Tephrocyon hippophagus (18165)
Barstovian16.3 - 12.5USA (California) Tomarctus hippophaga (19392 19557 19565 19581 19616)
Barstovian16.3 - 12.5Canada (Saskatchewan) Tomarctus hippophaga (18758 18759 18761 18769 18785 18788 18789 18793 18797 18798 18799)
Early/Lower Barstovian16.3 - 12.5USA (New Mexico) Tomarctus hippophaga (19547)
Early/Lower Barstovian16.3 - 12.5USA (Nebraska) Tomarctus hippophaga (17880 17903 17904 17905 17911 17919 17955 17956 17971 17975 17976 type locality: 18004 18019)