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Lutraeximia umbra

Mammalia - Carnivora - Mustelidae

Taxonomy
Lutraeximia umbra was named by Cherin et al. (2016). Its type specimen is SBAU 337654, a skull, and it is a 3D body fossil. Its type locality is Pantalla, which is in a Pleistocene fluvial claystone in Italy. It is the type species of Lutraeximia.

Synonymy list
YearName and author
2016Lutraeximia umbra Cherin et al. p. 94 figs. Fig. 1, Table 1

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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
subfamilyLutrinaeBaird 1857
genusLutraeximia
speciesumbra

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.

Lutraeximia umbra Cherin et al. 2016
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Diagnosis
ReferenceDiagnosis
M. Cherin et al. 2016 A large-sized species of Lutraeximia (i.e., cranium size comparable to that of the living African clawless otter Aonyx capensis; Fig. 3a), with P1 located at the distal margin of the canine; P2 relatively small, laterally flattened, with paracone positioned mesially; concurrent presence of broad P4 with expanded and squared talon and smaller bean-shaped M1, without mesial expansion of the mesial portion of the talon.