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Lutravus halli

Mammalia - Carnivora - Mustelidae

Taxonomy
Lutravus halli was named by Furlong (1932) [genotype]. Its type specimen is CIT 478, a partial skull (an anterior portion of a skull with superior teeth represented, except the incisors and first premolars.), 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 is the type species of Lutravus.

Synonymy list
YearName and author
1932Lutravus halli Furlong p. 95
1992Lutravus halli Willemsen p. 114

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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
classMammalia
—Theriamorpha(Rowe 1993)
RankNameAuthor
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
suborderCaniformiaKretzoi 1943
infraorderCanoidea(Simpson 1931)
superfamilyArctoideaFlower 1869
—Mustelida
familyMustelidaeFischer 1817
subfamilyIctonychinaePocock 1921
genusLutravus
specieshalli

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.

†Lutravus halli Furlong 1932
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Diagnosis
ReferenceDiagnosis
E. L. Furlong 1932Superior and inferior teeth robust. Upper carnassial and Molar l more like comparable teeth in European Lutra lutra than like those of Lutra canadensis pacifica. Pi with inner basin behind protocone small, root of protocone posterior. Ml rectangular. MI lacks the characteristic widening of the trigonid region seen in modern otters and the meta- conid is small.·
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialf
Diet: carnivoref
Diet 2: omnivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-22 19:38:29
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Carroll 1988, Nowak 1991

Age range: base of the Hemphillian to the top of the Late/Upper Clarendonian or 10.30000 to 9.40000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Clarendonian12.5 - 9.4USA (Oregon) Lutravus halli (19036)
Hemphillian10.3 - 4.9USA (Nevada) Lutravus halli (type locality: 19095)
Hemphillian10.3 - 4.9USA (Oregon) Mustela sp. (19015)