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Lutravus

Mammalia - Carnivora - Mustelidae

Taxonomy
Lutravus was named by Furlong (1932). Its type is Lutravus halli.

It was assigned to Lutrinae by Furlong (1932); to Mustelidae by Carroll (1988); to Lutrini by Willemsen (1992); to Galictini by Baskin (1998) and Baskin (2011); and to Ictonychinae by Jiangzuo et al. (2019).

Species
L. halli (type species)

Synonymy list
YearName and author
1932Lutravus Furlong p. 95
1988Lutravus Carroll
1992Lutravus Willemsen p. 114
1998Lutravus Baskin p. 165
2011Lutravus Baskin p. 2
2019Lutravus Jiangzuo 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()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—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

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. †Lutravus Furlong 1932
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†Lutravus halli Furlong 1932
Diagnosis
ReferenceDiagnosis
E. L. Furlong 1932Dental formula 3/3?, 1/1?, 4/3, 1/2. Superior dentition: Teeth more robust and canine less curved than in Lutra. Diastema between third incisor and canine short. Pl farther removed behind canine than in Lutra. P2 and P3 with single cusp~not basined posteriorly. Pi with protocone narrow anteroposteriorly and situated well posterior to paracone root. Ml rectangular, not subquadrate, and with only slight posterior ex- pansion of heel. Inferior dentition: P4 robust, situated close to MI, and with apex of principal cusp inclined posteriorly. Posterior heel absent and cingulum not well developed. MI narrow with trigonid elongate and with short talonid. Metaconid small and postero-internal to protoconid.
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: Carroll 1988, Nowak 1991, Ji et al. 2002, Lillegraven 1979, Hendy et al. 2009

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) L. halli (19036)
Hemphillian10.3 - 4.9USA (Oregon) Mustela sp. (19015)
Hemphillian10.3 - 4.9USA (Nevada) L. halli (19095)