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Brachylagus (pygmy rabbit)

Mammalia - Lagomorpha - Leporidae

Taxonomy
Brachylagus was named by Lyon (1904) [named as a subgenus of Lepus by Miller 1900; raised to genus level]. It is extant. Its type is Brachylagus idahoensis.

It was synonymized subjectively with Sylvilagus by Grinnell et al. (1930), Orr (1940), Durant (1952) and Miller (1976).

It was assigned to Leporinae by Dawson (1958) and Kurten and Anderson (1980); and to Leporidae by Lyon (1904), Kenner (1965), Corbet (1983), Halanych and Robinson (1997), McKenna and Bell (1997), Ramos (1999) and Ramos (1999).

Species
B. coloradoensis, B. idahoensis (type species)

Synonymy list
YearName and author
1904Brachylagus Lyon
1958Brachylagus Dawson p. 60
1965Brachylagus Kenner
1980Brachylagus Kurten and Anderson p. 279
1983Brachylagus Corbet
1997Brachylagus Halanych and Robinson
1997Brachylagus McKenna and Bell
1999Brachylagus Ramos

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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
subfamilyLeporinaeTrouessart 1880
genusBrachylagusLyon 1904

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.

G. Brachylagus Lyon 1904 [pygmy rabbit]
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Brachylagus idahoensis Merriam 1891 [pygmy rabbit]
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: Carroll 1988, Nowak 1991, Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979

Age range

Maximum range based only on fossils: base of the Irvingtonian to the top of the Late/Upper Pleistocene or 1.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 0.3 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Irvingtonian1.8 - 0.3USA (Nevada) Brachylagus coloradoensis, Lagomorpha indet. (20280)
Irvingtonian1.8 - 0.3USA (Colorado) Brachylagus coloradoensis (20410) Sylvilagus idahoensis (20477 20559)
Late/Upper Pleistocene (interglacial)0.129 - 0.0117USA (Idaho) Brachylagus idahoensis (20569)
Late/Upper Pleistocene (interglacial)0.129 - 0.0117USA (Utah) Sylvilagus idahoensis (20641)
Late/Upper Pleistocene0.129 - 0.0117USA (Arizona) Brachylagus idahoensis (63381)
Late/Upper Pleistocene - Holocene0.129 - 0.0USA (Utah) Sylvilagus idahoensis (93326)