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Aletomeryx occidentalis

Mammalia - Palaeomerycidae

Taxonomy
Aletomeryx occidentalis was named by Whistler (1984). Its type specimen is UCMP V-310335, a mandible, and it is not a trace fossil. Its type locality is Boron, which is in a Hemingfordian fluvial claystone/sandstone in the Kramer Beds Formation of California.

Synonymy list
YearName and author
1984Aletomeryx occidentalis Whistler
2007Aletomeryx occidentalis Prothero and Liter p. 245
2008Aletomeryx occidentalis Prothero and Liter

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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
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Ruminantiamorpha
—Ruminantia(Scopoli 1777)
—Pecora()
superfamilyGiraffomorpha
familyPalaeomerycidaeLydekker 1883
subfamilyAletomerycinaeFrick 1937
genusAletomeryx
speciesoccidentalis

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.

†Aletomeryx occidentalis Whistler 1984
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Diagnosis
ReferenceDiagnosis
D. R. Prothero and M. R. Liter 2008Larger than A. marslandensis, but smaller than all Sinclairomeryx, with large p2; unreduced lower premolars, with more complicated crown pattern than found in other species of Aletomeryx, and with relatively expanded metaconid; hypostylid of p3-4 expanded into a distinct cuspid that connects to the hypoconid with a short crest; well-developed metaconid on p4; anteriolabial buttress and anterior cin- gulum on m2; hypoconulid crescent on m3; and many other characters cited in Whistler (1984, p. 25).
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: grazerg
Reproduction: viviparoussubc
Created: 2009-01-04 10:46:54
Modified: 2009-01-04 12:46:54
Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Prothero and Liter 2007, Solounias and Moelleken 1993, Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Nowak 1999

Age range: Early/Lower Hemingfordian or 20.43000 to 15.97000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Hemingfordian20.43 - 15.97USA (California) Aletomeryx occidentalis (type locality: 19194)