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Leptocyon matthewi

Mammalia - Carnivora - Canidae

Taxonomy
Leptocyon matthewi was named by Tedford et al. (2009). Its type specimen is F:AM 25198, a mandible, and it is a 3D body fossil. Its type locality is Bear Creek Quarry, which is in a Clarendonian terrestrial horizon in the Ash Hollow Formation of Nebraska.

Synonymy list
YearName and author
2009Leptocyon matthewi Tedford et al. p. 43 figs. 7, 17, 18A–F; appendices 3, 4

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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
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Ferae()
CarnivoramorphaWyss and Flynn 1993
CarnivoraformesFlynn et al.
orderCarnivora
familyCanidae
subfamilyCaninaeGill 1872
genusLeptocyon
speciesmatthewi

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.

Leptocyon matthewi Tedford et al. 2009
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Diagnosis
ReferenceDiagnosis
R. H. Tedford et al. 2009Differs from L. vafer in m1 significantly larger without any overlap of confidence interval (fig. 7); m1 with larger and taller crowned hypoconid, entoconid enlarged, coalescing with base of hypoconid to close talonid basin, hypoconulid shelf present; and m2 smaller relative to length of m1 (fig. 17) with stronger anterolabial cin- gulum that extends more posteriorly.