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Alwoodia harkseni

Mammalia - Rodentia - Allomyidae

Taxonomy
Allomys harkseni was named by Macdonald (1963). Its type specimen is SDSM 59155, a tooth (isolated M1 or M2), and it is a 3D body fossil. Its type locality is Monroe Creek (SDSM V-592), which is in a Monroecreekian terrestrial horizon in the Monroe Creek Formation of South Dakota.

It was recombined as Alwoodia harkseni by Korth (1992).

Synonymy list
YearName and author
1963Allomys harkseni Macdonald p. 177 fig. 11
1992Alwoodia harkseni Korth

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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
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
familyAllomyidaeMarsh 1877
genusAlwoodia
speciesharkseni()

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.

†Alwoodia harkseni Macdonald 1963
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Diagnosis
ReferenceDiagnosis
J. R. Macdonald 1963Larger than Allomys cavatus (Cope, 1881b), crown more rectangular in outline, stylar cusps more prominent, and anteroloph with anterolingual cusp well developed.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Hendy et al. 2009, Carroll 1988, Lillegraven 1979, Nowak 1999

Age range: base of the Monroecreekian to the top of the Harrisonian or 26.30000 to 18.50000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Monroecreekian26.3 - 24.8USA (South Dakota) Allomys harkseni (type locality: 17555 17558 17561 17564)
Harrisonian24.8 - 18.5USA (Nebraska) Alwoodia harkseni (17802 17816)