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Prodipodomys coquorum

Osteichthyes - Rodentia - Heteromyidae

Taxonomy
Perognathus coquorum was named by Wood (1935). Its type specimen is HC 702 and is a 3D body fossil. Its type locality is ZX Bar, which is in a Hemphillian terrestrial horizon in the Snake Creek Formation of Nebraska.

It was recombined as Prodipodomys coquorum by Korth (1995).

Entered
by J. Alroy on 2003-01-23; modified by J. Marcot on 2026-05-03

Synonymy list
YearName and author
1935Perognathus coquorum Wood p. 1 figs. Figures 28 and 29
1995Prodipodomys coquorum Korth p. 87 figs. Fig. 1A and B, Table 1

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentia
infraorderCastorimorpha
superfamilyGeomyoideaBonaparte 1845
familyHeteromyidaeGray 1868
genusProdipodomys
speciescoquorum()

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.

†Prodipodomys coquorum Wood 1935
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Diagnosis
ReferenceDiagnosis
A. E. Wood 1935Size very large; cusps of protolophid of p4 unusually distinct; teeth low-crowned.
W. W. Korth 1995Large species; cheek teeth lower crowned than other species; transverse lophs of lower molars not convergent buccally; cheek teeth more strongly rooted.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: granivoref
Diet 2: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:09:37
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979, Nowak 1991

Age range: base of the Clarendonian to the top of the Blancan or 12.50000 to 1.40000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Clarendonian12.5 - 9.4USA (South Dakota) Perognathus coquorum (18268)
Late/Upper Hemphillian9.4 - 4.7USA (Nebraska) Perognathus coquorum (type locality: 18499)
Blancan4.7 - 1.4USA (Kansas) Prodipodomys coquorum (19922)