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Parapliosaccomys annae

Mammalia - Rodentia - Geomyidae

Discussion

type locality is 18031

Taxonomy
Parapliosaccomys annae was named by Korth (1987). Its type specimen is UNSM 56377, a mandible (left mandible with p4-m3), and it is a 3D body fossil.

It was recombined as Phelosaccomys annae by Korth and Reynolds (1994), Sutton and Korth (1995) and Korth and Chaney (1999).

Synonymy list
YearName and author
1987Parapliosaccomys annae Korth p. 1060 fig. 2
1994Phelosaccomys annae Korth and Reynolds
1995Phelosaccomys annae Sutton and Korth
1999Phelosaccomys annae Korth and Chaney

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
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
familyGeomyidaeBonaparte 1845
subfamilyGeomyinaeBonaparte 1845
genusParapliosaccomys
speciesannae

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.

†Parapliosaccomys annae Korth 1987
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Diagnosis
ReferenceDiagnosis
W. W. Korth 1987S maller than Parapliosaccomys oregonensis and P. hibbardi (Korth, 1979, table 5; Table 1, this paper); cheek teeth lower crowned and enamel failure less well developed than in P. oregonensis and P. hibbardi; one or two anterostylids are present on P4; in lateral view, the ascending ramus blocks only M3.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: fossorialf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:06:30
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Nowak 1991, Lillegraven 1979

Age range: Barstovian or 16.30000 to 12.50000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Barstovian16.3 - 12.5USA (Nebraska) Parapliosaccomys annae (18031 18121 18141 18164 18209) Parapliosaccomys sp. (18027)
Early/Lower Barstovian16.3 - 12.5USA (Montana) Phelosaccomys annae (18803)