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Marmota minor

Mammalia - Rodentia - Sciuridae

Taxonomy
Arctomys minor was named by Kellogg (1910). Its type specimen is UCMP 12538, a partial skull ( Part of a left maxilla with P3 and, P4; part of a right mandibular parts of upper and lower incisors; right M2 and M;3 in a fragment of the maxilla; M2 and M3 ), and it is a 3D body fossil. Its type locality is Thousand Creek Formation, which is in a Hemphillian terrestrial horizon in the Thousand Creek Formation of Nevada.

It was recombined as Marmota minor by Wilson (1937), Bryant (1945) and Black (1963).

Sister species lacking formal opinion data
M. bobak, M. sibirica

Synonymy list
YearName and author
1910Arctomys minor Kellogg
1937Marmota minor Wilson
1945Marmota minor Bryant p. 363
1963Marmota minor Black

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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
superfamilySciuroidea
familySciuridae
tribeMarmotini
genusMarmotaFrisch 1775
speciesminor()

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.

†Marmota minor Kellogg 1910
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Diagnosis
ReferenceDiagnosis
M. D. Bryant 1945Smaller than Marmota flaviventer sierrae. Parametaconid on p4 slender and slightly higher than protoconid, the two connected by a complete but low protolophid with a well developed median protoconulid; the incisors and P4, large in proportion to the other teeth; lower molars wider than long.