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Apatemys downsi

Mammalia - Apatemyidae

Taxonomy
Apatemys downsi was named by Gazin (1958). Its type specimen is L.A.C.M. (C.I.T.) No. 5202, a mandible (fragment of right ramus of mandible with P4-M2), and it is a 3D body fossil. Its type locality is Tapo Canyon (Upper), which is in an Uintan terrestrial horizon in the Sespe Formation of California.

It was synonymized subjectively with Apatemys bellus by West (1973) and Kelly (1990).

Synonymy list
YearName and author
1958Apatemys downsi Gazin p. 89
1996Apatemys downsi Walsh

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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
RankNameAuthor
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Cimolesta()
suborderApatotheria(Scott and Jepsen 1936)
familyApatemyidae
genusApatemys
speciesdownsi

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.

†Apatemys downsi Gazin 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialf
Locomotion: actively mobilec
Life habit: arborealf
Diet: herbivoref
Reproduction: viviparousf
Created: 2005-09-22 09:57:14
Modified: 2005-09-22 11:57:14
Source: f = family, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Tanaka and Taruno 2019, Carroll 1988

Age range: base of the Uintan to the top of the Chadronian or 46.20000 to 33.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Uintan46.2 - 39.7USA (California) Apatemys sp. (16585)
Uintan46.2 - 39.7USA (California) Apatemys downsi (type locality: 16786)
Chadronian37.2 - 33.9USA (Nebraska) Apatemys downsi (17014 186972)