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Xenocyon texanus

Mammalia - Carnivora - Canidae

Taxonomy
Canis texanus was named by Troxell (1915). It is a 3D body fossil. Its type locality is head of Rock Creek, Mayfield Ranch, which is in an Irvingtonian terrestrial horizon in the Tule Formation of Texas.

It was recombined as Protocyon texanus by Kraglievich (1952), Nowak (1979) and Kurten and Anderson (1980); it was recombined as Cuon texanus by Berta (1988); it was recombined as Xenocyon texanus by Tedford et al. (2009).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1915Canis texanus Troxell
1952Protocyon texanus Kraglievich
1979Protocyon texanus Nowak
1980Protocyon texanus Kurten and Anderson p. 172
1988Cuon texanus Berta
2009Xenocyon texanus Tedford et al. p. 152 figs. 57A–C; appendix 3

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
subclassSynapsida
suborderEupelycosauria
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
tribeCaniniFischer de Waldheim 1817
subtribeCanina()
genusXenocyonKretzoi 1938
speciestexanus(Troxell 1915)

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. 2009Distinguished from Xenocyon lycaonoides, the only other species of the genus to occur in North America, by slightly larger size, m1 talonid wider relative to trigonid; hypoconid more marginal on the talonid; and M1 metaconule more salient than in most X. lycaonoides.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Diet 2: omnivoref
Created: 2005-06-08 10:11:09
Modified: 2005-08-22 19:28:06
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002

Age range: Irvingtonian or 1.80000 to 0.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Irvingtonian1.8 - 0.3USA (Texas) Canis texanus (type locality: 20498)