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Eutypomys

Mammalia - Rodentia - Eutypomyidae

Taxonomy
Eutypomys was named by Matthew (1905). It is not extant. Its type is Eutypomys thomsoni.

It was assigned to Castoridae by Lambe (1908); and to Eutypomyidae by Matthew (1905), Johnson (1966), McKenna and Bell (1997), Korth (2014), Korth et al. (2022).

Species
E. acares, E. hibernodus, E. inexpectatus, E. montanensis, E. obliquidens, E. parvus, E. thomsoni (type species)
Species lacking formal opinion data
E. wilsoni

Synonymy list
YearName and author
1905Eutypomys Matthew
1908Eutypomys Lambe
1966Eutypomys Johnson p. 80
1997Eutypomys McKenna and Bell
2014Eutypomys Korth p. 381
2022Eutypomys Korth et al.

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
infraorderCastorimorpha
superfamilyCastoroideaGray 1821
familyEutypomyidaeMiller and Gidley 1918
genusEutypomys

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.

G. †Eutypomys Matthew 1905
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†Eutypomys acares Storer 1988
†Eutypomys hibernodus Korth 2000
†Eutypomys montanensis Wood and Konizeski 1965
†Eutypomys obliquidens Storer 1988
†Eutypomys parvus Lambe 1908
†Eutypomys thomsoni Matthew 1905
Diagnosis
No diagnoses are available
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: Nowak 1999, Hendy et al. 2009, Carroll 1988, Lillegraven 1979, Ji et al. 2002

Age range: base of the Duchesnean to the top of the Monroecreekian or 39.70000 to 23.10000 Ma

Collections (28 total)


Time interval Ma Country or state Original ID and collection number
Duchesnean39.7 - 37.0USA (Texas) E. inexpectatus (16828 16830 16837)
Duchesnean39.7 - 37.0Canada (Saskatchewan) E. acares, E. obliquidens (16845) E. sp. (16846)
Duchesnean - Chadronian39.7 - 33.9USA (Montana) E. sp. (16840)
Chadronian37.0 - 33.9USA (Texas) E. inexpectatus (17016)
Chadronian37.0 - 33.9USA (Wyoming) E. sp. (16961)
Chadronian37.0 - 33.9USA (South Dakota) E. thomsoni (17007)
Chadronian37.0 - 33.9Canada (Saskatchewan) E. parvus (16919)
Chadronian37.0 - 33.9USA (Montana) E. parvus (16959) E. sp. (16939 17028)
Chadronian37.0 - 33.9USA (North Dakota) E. parvus (16991)
Late/Upper Chadronian37.0 - 33.9USA (Colorado) E. parvus (85117)
Late/Upper Chadronian - Orellan37.0 - 31.8USA (Nebraska) E. hibernodus (230806)
Orellan33.9 - 31.8USA (South Dakota) E. thomsoni (17094 17162 17174 163487)
Orellan33.9 - 31.8USA (Nebraska) E. thomsoni (17164 17168)
Orellan33.9 - 31.8USA (North Dakota) E. hibernodus (17128)
Whitneyan31.8 - 29.5USA (South Dakota) E. wilsoni (170168)
Geringian29.5 - 24.7USA (South Dakota) E. montanensis (17658)
Arikareean29.5 - 18.5USA (Montana) E. montanensis (17700)
Monroecreekian24.7 - 23.1USA (South Dakota) E. montanensis (17564)
Monroecreekian24.7 - 23.1Canada (Saskatchewan) E. sp. (17526)