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Trilaccogaulus ovatus

Mammalia - Rodentia - Mylagaulidae

Taxonomy
Promylagaulus ovatus was named by Rensberger (1979). Its type locality is Monroe Creek (SDSM V-6229), which is in a Monroecreekian terrestrial horizon in the Monroe Creek Formation of South Dakota.

It was recombined as Trilaccogaulus ovatus by Korth (1992).

Synonymy list
YearName and author
1979Promylagaulus ovatus Rensberger
1992Trilaccogaulus ovatus 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
familyMylagaulidaeCope 1881
subfamilyPromylagaulinaeRensberger 1980
genusTrilaccogaulus
speciesovatus()

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.

Trilaccogaulus ovatus Rensberger 1979
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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: Carroll 1988, Nowak 1999, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009

Age range: base of the Geringian to the top of the Harrisonian or 30.80000 to 20.43000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Geringian30.8 - 26.3USA (South Dakota) Promylagaulus ovatus (17611)
Monroecreekian26.3 - 24.8Canada (Saskatchewan) Mylagaulidae indet. (17526)
Monroecreekian26.3 - 24.8USA (South Dakota) Promylagaulus ovatus (17560 type locality: 17564)
Harrisonian24.8 - 20.43USA (Nebraska) Trilaccogaulus ovatus (17802 17816)