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Cynarctus crucidens

Mammalia - Carnivora - Canidae

Taxonomy
Cynarctus crucidens was named by Barbour and Cook (1914). Its type specimen is UNSM 2-2-11-13, a mandible (a right lower jaw, with nearly complete dentition ), and it is a 3D body fossil. Its type locality is Whitford's Quarry No. 2, which is in a Clarendonian terrestrial horizon in the Ash Hollow Formation of Nebraska.

Synonyms
Synonymy list
YearName and author
1914Cynarctus crucidens Barbour and Cook
1962Cynarctus fortidens Hall and Dalquest
1999Cynarctus crucidens Wang et al. p. 124
2008Cynarctus crucidens Wang et al.

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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
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
familyCanidae
subfamilyBorophaginae
tribeBorophaginiSimpson 1945
subtribeCynarctina
genusCynarctus
speciescrucidens

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.

†Cynarctus crucidens Barbour and Cook 1914
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Invalid names: Cynarctus fortidens Hall and Dalquest 1962 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Diet 2: omnivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-22 19:28:06
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Nowak 1991, Lillegraven 1979, Ji et al. 2002

Age range: Clarendonian or 12.50000 to 9.40000 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Serravallian13.82 - 11.62USA (Virginia) Cynarctus crucidens (126605)
Clarendonian12.5 - 9.4USA (Nebraska) Cynarctus crucidens (18042 18095 18171 18218 18222 18253 type locality: 18467)
Clarendonian12.5 - 9.4USA (South Dakota) Cynarctus crucidens (18200)
Clarendonian12.5 - 9.4USA (Texas) Cynarctus crucidens (18098 18244) Cynarctus fortidens (18283 18355)
Clarendonian - Hemphillian12.5 - 4.9USA (Nebraska) Cynarctus crucidens (18134)
Clarendonian - Hemphillian12.5 - 4.9USA (Washington) Cynarctus crucidens (175228)
Late/Upper Miocene11.608 - 5.333USA (Texas) Canidae indet. (18346)