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Archaeocyon leptodus

Mammalia - Carnivora - Canidae

Taxonomy
Nothocyon leptodus was named by Schlaikjer (1935). Its type specimen is MCZ 2878, a mandible, and it is a 3D body fossil. Its type locality is North Platte River, which is in an Arikareean terrestrial horizon in the Harrison Formation of Wyoming.

It was recombined as Hesperocyon leptodus by Macdonald (1963) and Macdonald (1970); it was recombined as Archaeocyon leptodus by Wang et al. (1999) and Wang et al. (2008).

Synonymy list
YearName and author
1935Nothocyon leptodus Schlaikjer
1963Hesperocyon leptodus Macdonald
1970Hesperocyon leptodus Macdonald
1999Archaeocyon leptodus Wang et al.
2008Archaeocyon leptodus 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
—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
subfamilyBorophaginae
genusArchaeocyon
speciesleptodus()

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.

†Archaeocyon leptodus Schlaikjer 1935
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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: Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979

Age range: base of the Whitneyan to the top of the Geringian or 33.30000 to 26.30000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Whitneyan33.3 - 30.8USA (Nebraska) Archaeocyon leptodus (17377)
Whitneyan33.3 - 30.8USA (Wyoming) Archaeocyon leptodus (17335)
Geringian30.8 - 26.3USA (South Dakota) Archaeocyon leptodus (17651) Hesperocyon leptodus (17629 17635) Nothocyon geismarianus (17607 17627 17630 17636 17637) Nothocyon lemur (17633 17634 17644 17654)
Arikareean29.5 - 18.5USA (Montana) Nothocyon geismarianus (17479)
Arikareean29.5 - 18.5USA (North Dakota) Archaeocyon leptodus (17724)
Arikareean29.5 - 18.5USA (Wyoming) Archaeocyon leptodus (17472 17524 17532 17727) Nothocyon leptodus (type locality: 17574)
Arikareean29.5 - 18.5USA (South Dakota) Archaeocyon leptodus (17605)
Arikareean29.5 - 18.5USA (Nebraska) Archaeocyon leptodus (17465 17568 17598 17602 17729)