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Plionarctos

Osteichthyes - Carnivora - Ursidae

Taxonomy
Plionarctos was named by Frick (1926).

It was assigned to Ursidae by Frick (1926), Carroll (1988); to Tremarctini by Hunt (1998); to Tremarctinae by Tedford and Martin (2001); and to Arctotheriini by Jiangzuo and Flynn (2020).

Species
P. edensis, P. harroldorum
Species lacking formal opinion data
P. telonensis

Synonymy list
YearName and author
1926Plionarctos Frick
1988Plionarctos Carroll
1998Plionarctos Hunt, Jr. p. 184
2001Plionarctos Tedford and Martin p. 311
2020Plionarctos Jiangzuo and Flynn

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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
subfamilyUrsinaeSwainson 1835
tribeArctotheriini
genusPlionarctosFrick 1926

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.

G. †Plionarctos Frick 1926
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†Plionarctos edensis Frick 1926
†Plionarctos harroldorum Tedford and Martin 2001
Diagnosis
No diagnoses are available
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: Lillegraven 1979, Hendy et al. 2009, Carroll 1988, Nowak 1991, Ji et al. 2002

Age range: base of the Hemphillian to the top of the Middle Pleistocene or 9.40000 to 0.12900 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Hemphillian9.4 - 4.7USA (Oregon) P. sp. (19015)
Hemphillian9.4 - 4.7USA (Nebraska) P. sp. (18043)
Late/Upper Hemphillian9.4 - 4.7USA (California) P. edensis (19445)
Late/Upper Hemphillian9.4 - 4.7USA (Florida) P. sp. (18532 18573)
Late/Upper Hemphillian - Blancan9.4 - 1.4USA (Tennessee) P. sp. (26574)
Late/Upper Hemphillian - Blancan9.4 - 1.4USA (Indiana) P. edensis (18320)
Blancan4.7 - 1.4USA (Arizona) P. sp. (19661)
Blancan4.7 - 1.4USA (California) P. sp. (19743)
Blancan4.7 - 1.4USA (Washington) P. harroldorum (20063) Tremarctos floridanus (20062)
Early/Lower Pleistocene - Middle Pleistocene2.58 - 0.129France (Cote d'Azur) P. telonensis (49091)
Middle Pleistocene0.774 - 0.129France (Provence) P. sp. (49090)
Middle Pleistocene0.774 - 0.129France (Languedoc-Roussillon) P. sp. (47832)
Middle Pleistocene0.774 - 0.129France (Haute-Garonne) P. sp. (49089)