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Desmocyon thomsoni

Mammalia - Carnivora - Canidae

Taxonomy
Cynodesmus thomsoni was named by Matthew (1907). Its type locality is AMNH Rosebud 24, which is in a Harrisonian terrestrial horizon in the Rosebud Formation of South Dakota.

It was recombined as Tomarctus thomsoni by White (1941), White (1942), Olsen (1956), Cook and Macdonald (1962), Macdonald (1963), Macdonald (1970) and Wang (1994); it was recombined as Desmocyon thomsoni by Wang et al. (1999), Wang et al. (2008) and Wang and Tedford (2008).

Synonyms
Synonymy list
YearName and author
1907Cynodesmus thomsoni Matthew
1941Tomarctus thomsoni White
1942Tomarctus thomsoni White
1948Cynodesmus thomsoni Hough
1956Tomarctus thomsoni Olsen
1962Nothocyon regulus Cook and Macdonald
1962Tomarctus thomsoni Cook and Macdonald
1963Tomarctus thomsoni Macdonald
1970Tomarctus thomsoni Macdonald
1992Cormocyon regulus Wang and Tedford p. 225
1994Tomarctus thomsoni Wang p. 63
1994Cormocyon regulus Wang and Fremd
1999Desmocyon thomsoni Wang et al.
2008Desmocyon thomsoni 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
genusDesmocyon
speciesthomsoni()

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.

†Desmocyon thomsoni Matthew 1907
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Invalid names: Nothocyon regulus Cook and Macdonald 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: Ji et al. 2002, Hendy et al. 2009, Carroll 1988, Nowak 1991, Lillegraven 1979

Age range: base of the Early/Lower Hemingfordian to the top of the Harrisonian or 20.43000 to 18.50000 Ma

Collections (33 total)


Time interval Ma Country or state Original ID and collection number
late Late Arikareean29.5 - 18.5USA (Wyoming) Desmocyon thomsoni (18010)
Harrisonian24.8 - 18.5USA (Wyoming) Desmocyon thomsoni (17780 17785 17788 17793 17796 17815 17820 17833 17835 17838 17839 17847 17848 17850)
Harrisonian24.8 - 18.5USA (Oregon) Desmocyon thomsoni (19037 170308)
Harrisonian24.8 - 18.5USA (Nebraska) Desmocyon thomsoni (17736 17738 17805) Nothocyon regulus (17846)
Harrisonian24.8 - 18.5USA (South Dakota) Tomarctus thomsoni (17748 type locality: 17752 17832)
Early/Lower Hemingfordian20.43 - 15.97USA (California) Desmocyon thomsoni (167841)
Early/Lower Hemingfordian20.43 - 15.97USA (Nebraska) Desmocyon thomsoni (17881 17894 17899 17924 17989 17997 18008)
Early/Lower Hemingfordian20.43 - 15.97USA (New Mexico) Desmocyon thomsoni (19388)