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

Hesperopetes

Osteichthyes - Rodentia - Sciuridae

Synonymy list
YearName and author
2007Hesperopetes Emry and Korth p. 694
2014Hesperopetes Korth p. 381
2022Hesperopetes Korth et al.

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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
superfamilySciuroidea
familySciuridae
genusHesperopetes

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. †Hesperopetes Emry and Korth 2007
show all | hide all
†Hesperopetes blacki Emry and Korth 2007
†Hesperopetes jamesi Emry and Korth 2007
†Hesperopetes thoringtoni Emry and Korth 2007
Diagnosis
ReferenceDiagnosis
R. J. Emry and W. W. Korth 2007Small sciurid; enamel surface of cheek teeth crenulated; conules greatly reduced or lacking on upper molars; mesostyle isolated on upper molars; protoloph and metaloph nearly parallel on upper molars; M3 lacking metaloph; lower cheek teeth lack hypolophid; m1 and m2 with small, circular enclosed trigonid; anteroconid very small or lacking on lower molars; mesoconid and entoconid distinct cusps on the lower molars.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialf
Diet: granivoref
Diet 2: frugivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:04:24
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Hendy et al. 2009, Carroll 1988, Nowak 1991, Lillegraven 1979

Age range: base of the Chadronian to the top of the Arikareean or 37.00000 to 18.50000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.0 - 33.9USA (Wyoming) Sciuridae indet. (16960)
Late/Upper Chadronian - Orellan37.0 - 31.8USA (Nebraska) H. sp. (230806)
Whitneyan31.8 - 29.5USA (South Dakota) H. jamesi (170168)
Arikareean29.5 - 18.5USA (South Dakota) H. jamesi, H. blacki (17520)