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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()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
RankNameAuthor
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Laurasiatheria
Scrotifera
Ferae()
CarnivoramorphaWyss and Flynn 1993
CarnivoraformesFlynn et al.
orderCarnivoraBowditch 1821
suborderCaniformiaKretzoi 1943
superfamilyCanoideaSimpson 1931
familyCanidaeFischer 1817
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.

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.