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Viverravus laytoni

Mammalia - Viverravidae

Taxonomy
Protictis laytoni was named by Gingerich and Winkler (1985). Its type locality is Princeton Quarry, which is in a Tiffanian terrestrial horizon in the Fort Union Formation of Wyoming.

It was recombined as Viverravus laytoni by Polly (1997).

Synonyms
  • Viverravus bowni was named by Gingerich (1987). Its type specimen is UM 76928, a mandible (left dentary with impression of Pe and crowns of M1-2), and it is a 3D body fossil. Its type locality is Discovery Site, which is in an Eocene wet floodplain wackestone in the Willwood Formation of Wyoming.

    It was synonymized subjectively with Viverravus laytoni by Polly (1997).
Synonymy list
YearName and author
1985Protictis laytoni Gingerich and Winkler
1987Viverravus bowni Gingerich p. 312
1997Viverravus laytoni Polly

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
RankNameAuthor
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
familyViverravidae
genusViverravus
specieslaytoni()

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.

†Viverravus laytoni Gingerich and Winkler 1985
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Invalid names: Viverravus bowni Gingerich 1987 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilep
Life habit: ground dwellingf
Diet: carnivoref
Reproduction: viviparoussubc
Created: 2005-08-30 14:47:14
Modified: 2005-08-30 16:47:14
Source: f = family, subc = subclass, subp = subphylum, p = phylum
References: Carroll 1988, Ji et al. 2002, Lillegraven 1979, Flynn 1998, Kiessling 2004

Age range: base of the Tiffanian to the top of the Wasatchian or 60.90000 to 50.50000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Tiffanian60.9 - 56.2USA (Wyoming) Protictis laytoni (type locality: 15049) Viverravus laytoni (85096)
Tiffanian60.9 - 56.2Canada (Alberta) Didymictis sp. (14995)
Clarkforkian56.2 - 54.9USA (Wyoming) Viverravus acutus (15189) Viverravus bowni (15085) Viverravus laytoni (15152) Viverravus politus (15191)
Early/Lower Eocene56.0 - 48.07USA (Wyoming) Viverravus bowni (15081 80580)
Wasatchian54.9 - 50.5USA (Wyoming) Viverravus bowni (15682)
Wasatchian54.9 - 50.5USA (Mississippi) Viverravus sp. (15719)