Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Plionarctos harroldorum

Osteichthyes - Carnivora - Ursidae

Taxonomy
Plionarctos harroldorum was named by Tedford and Martin (2001). Its type specimen is LACM 138528, a mandible (partial right ramus), and it is a 3D body fossil. Its type locality is White Bluffs, which is in a Blancan terrestrial horizon in the Ringold Formation of Washington.

Sister species lacking formal opinion data
P. telonensis

Synonymy list
YearName and author
2001Plionarctos harroldorum Tedford and Martin p. 312

Is something missing? Join the Paleobiology Database and enter the data

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
—Cladotheria
RankNameAuthor
—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
speciesharroldorum

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.

†Plionarctos harroldorum Tedford and Martin 2001
show all | hide all
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: Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979, Carroll 1988, Nowak 1991

Age range: Blancan or 4.70000 to 1.40000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Blancan4.7 - 1.4USA (Washington) Plionarctos harroldorum (type locality: 20063) Tremarctos floridanus (20062)