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Archaeolagus macrocephalus

Mammalia - Lagomorpha - Leporidae

Taxonomy
Lepus macrocephalus was named by Matthew (1907). Its type locality is AMNH Rosebud 17, which is in a Harrisonian terrestrial horizon in the Rosebud Formation of South Dakota.

It was recombined as Archaeolagus macrocephalus by Matthew (1924), Gazin (1930), Dawson (1958), Macdonald (1963), Macdonald (1970), Green (1972), Gawne (1976) and Dingus (1990).

Synonymy list
YearName and author
1907Lepus macrocephalus Matthew
1924Archaeolagus macrocephalus Matthew
1930Archaeolagus macrocephalus Gazin
1958Archaeolagus macrocephalus Dawson
1963Archaeolagus macrocephalus Macdonald
1970Archaeolagus macrocephalus Macdonald
1972Archaeolagus macrocephalus Green p. 382
1976Archaeolagus macrocephalus Gawne
1990Archaeolagus macrocephalus Dingus

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Duplicidentata()
orderLagomorphaBrandt 1885
familyLeporidae
subfamilyArchaeolaginae
genusArchaeolagus
speciesmacrocephalus()

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.

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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: grazerf
Diet 2: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:52:57
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Nowak 1991, Lillegraven 1979

Age range: base of the Monroecreekian to the top of the Harrisonian or 26.30000 to 18.50000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
late Late Arikareean29.5 - 18.5USA (Oregon) Archaeolagus macrocephalus (18013)
Monroecreekian26.3 - 24.8Canada (Saskatchewan) Palaeolagus sp. (17526)
Harrisonian24.8 - 18.5USA (New Mexico) Archaeolagus macrocephalus (17844)
Harrisonian24.8 - 18.5USA (South Dakota) Archaeolagus macrocephalus (type locality: 17748)
Early/Lower Hemingfordian20.43 - 15.97USA (Oregon) Archaeolagus macrocephalus (17925)
Hemingfordian20.43 - 15.97USA (South Dakota) Archaeolagus macrocephalus (17878)