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Plithocyon ursinus

Osteichthyes - Carnivora - Ursidae

Taxonomy
Canis ursinus was named by Cope (1875).

It was recombined as Amphicyon ursinus by Cope (1879), Matthew (1902); it was recombined as Aelurodon ursinus by Scott and Osborn (1890), Hay (1902); it was recombined as Dinocyon ursinus by Matthew (1902); it was recombined as Hemicyon ursinus by Frick (1926), VanderHoof and Gregory (1940); it was recombined as Plithocyon ursinus by Hunt (1998).

Sister species lacking formal opinion data
P. armagnecensis, P. bruneti

Synonymy list
YearName and author
1875Canis ursinus Cope
1879Amphicyon ursinus Cope p. 46
1890Aelurodon ursinus Scott and Osborn p. 68
1902Aelurodon ursinus Hay p. 774
1902Dinocyon ursinus Matthew
1902Amphicyon ursinus Matthew p. 290
1926Hemicyon ursinus Frick p. 35 figs. Frontispiece, Figures 4, 5A and B, 9, 10 and lOA, 13A and B, 14, 15
1940Hemicyon ursinus VanderHoof and Gregory
1998Plithocyon ursinus Hunt, Jr.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
RankNameAuthor
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—Pancarnivora
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
suborderCaniformiaKretzoi 1943
infraorderCanoidea(Simpson 1931)
superfamilyArctoideaFlower 1869
—Ursida
superfamilyUrsoideaFischer de Waldheim 1817
familyUrsidaeGray 1825
subfamilyHemicyoninae
genusPlithocyonGinsburg 1955
speciesursinus(Cope 1875)

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.

†Plithocyon ursinus Cope 1875
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Diagnosis
ReferenceDiagnosis
C. Frick 1926Prominent premasseteric fossa; tuberculars unusually .large relative to premolars; anterior premolars separated by diastema; posterior mental foramen below anterior edge of p4.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Diet 2: carnivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:10
Modified: 2005-08-22 19:31:30
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Hendy et al. 2009, Nowak 1991, Lillegraven 1979, Carroll 1988

Age range: Barstovian or 16.30000 to 12.50000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.04 - 5.333USA (Montana) Hemicyon ursinus (19038)
Barstovian16.3 - 12.5USA (New Mexico) Hemicyon ursinus (19535)