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Leptomeryx speciosus

Mammalia - Leptomerycidae

Taxonomy
Leptomeryx speciosus was named by Lambe (1908) [inexplicably listed as a synonym of L. mammifer by Webb 1998a]. It is a 3D body fossil. Its type locality is Calf Creek, which is in a Chadronian terrestrial horizon in the Cypress Hills Formation of Canada.

Synonymy list
YearName and author
1908Leptomeryx speciosus Lambe
1940Leptomeryx speciosus Scott p. 554
2001Leptomeryx speciosus Vislobokova p. S138

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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
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Ruminantiamorpha
—Ruminantia(Scopoli 1777)
—Pecora()
familyLeptomerycidae
genusLeptomeryx
speciesspeciosus

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.

†Leptomeryx speciosus Lambe 1908
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: frugivoref
Reproduction: viviparoussubc
Created: 2005-08-31 14:47:23
Modified: 2005-08-31 16:47:23
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Webb 1998, Nowak 1999, Hendy et al. 2009, Carroll 1988, Lillegraven 1979

Age range: base of the Early/Lower Chadronian to the top of the Orellan or 37.20000 to 33.30000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.2 - 33.9Canada (Saskatchewan) Leptomeryx speciosus (16893 type locality: 16919 16979)
Chadronian37.2 - 33.9USA (Nebraska) Leptomeryx speciosus (17031)
Chadronian37.2 - 33.9USA (Wyoming) Leptomeryx sp. (16961 16986) Leptomeryx speciosus (16942 16943 16962 16963 16964 16965 16966)
Chadronian37.2 - 33.9USA (Montana) Leptomeryx sp. (16990) Leptomeryx speciosus (16949 16959 16988 16989 16994 17010)
Early/Lower Chadronian37.2 - 33.9USA (Montana) Leptomeryx speciosus (27245)
Late/Upper Chadronian37.2 - 33.9USA (Montana) Leptomeryx speciosus (17027)
Middle Chadronian37.2 - 33.9Canada (Saskatchewan) Leptomeryx speciosus (16928)
Middle Chadronian - Late/Upper Chadronian37.2 - 33.9USA (Colorado) Leptomeryx speciosus (156988)
Orellan33.9 - 33.3USA (Wyoming) Leptomeryx speciosus (17104)