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Perognathus brevidens

Mammalia - Rodentia - Heteromyidae

Discussion

type locality is 18031

Taxonomy
Perognathus brevidens was named by Korth (1987). Its type specimen is UNSM 56300, a mandible (right mandible with p4-m3), and it is a 3D body fossil.

Synonymy list
YearName and author
1987Perognathus brevidens Korth p. 1058 fig. 1

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
EuarchontogliresMurphy et al. 2001
GliriformesWyss and Meng 1996
Glires()
Simplicidentata()
orderRodentiaBowdich 1821
infraorderCastorimorpha
superfamilyGeomyoideaBonaparte 1845
familyHeteromyidaeGray 1868
genusPerognathusMaximillian 1839
speciesbrevidens

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.

Perognathus brevidens Korth 1987
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Diagnosis
ReferenceDiagnosis
W. W. Korth 1987Near size of Perognathus furlongi (Wood, 1935a, table II; Lindsay, 1972, table 9; Korth, 1979, table 1; Table 1, this paper);P4reducedand wider than long with metaconid connected to hypoconid by narrow oblique loph.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingg
Diet: granivoref
Diet 2: browserf
Reproduction: viviparoussubc
Created: 2012-05-15 12:49:18
Modified: 2012-05-14 21:49:18
Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Samuels and Van Valkenburgh 2008, Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002

Age range: Barstovian or 15.97000 to 13.60000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Barstovian15.97 - 13.6USA (Nebraska) Perognathus brevidens (18031 18164) Perognathus furlongi (18208 18240 18284)
Barstovian15.97 - 13.6USA (South Dakota) Perognathus brevidens (18397)