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Lutravus
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), Baskin (2011); and to Ictonychinae by Jiangzuo et al. (2019).
It was assigned to Lutrinae by Furlong (1932); to Mustelidae by Carroll (1988); to Lutrini by Willemsen (1992); to Galictini by Baskin (1998), Baskin (2011); and to Ictonychinae by Jiangzuo et al. (2019).
Species
L. dianensis, L. halli (type species)
Synonymy list
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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 dianensis Jiangzuo et al. 2024
†Lutravus halli Furlong 1932
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. L. Furlong 1932 | Dental 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
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| 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: Late/Upper Miocene or 11.63000 to 5.33300 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Clarendonian | USA (Oregon) | L. halli (19036) | |
| Late/Upper Miocene | China (Yunnan) | L. dianensis (201596) | |
| Hemphillian | USA (Nevada) | L. halli (19095) | |
| Hemphillian | USA (Oregon) | Mustela sp. (19015) |