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Megalagus

Osteichthyes - Lagomorpha - Leporidae

Taxonomy
Megalagus was named by Walker (1931). It is not extant.

It was assigned to Palaeolaginae by Dawson (1958); and to Leporidae by Walker (1931), Johnson (1966), McKenna and Bell (1997), Lofgren et al. (2020).

Synonymy list
YearName and author
1931Megalagus Walker
1958Megalagus Dawson p. 10
1966Megalagus Johnson p. 80
1997Megalagus McKenna and Bell
2020Megalagus Lofgren et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Duplicidentata()
orderLagomorphaBrandt 1885
familyLeporidae
subfamilyPalaeolaginaeDice 1929
genusMegalagusWalker 1931

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. †Megalagus Walker 1931
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†Megalagus abaconis Hayes 2000
†Megalagus brachyodon Matthew 1903
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Invalid names: Desmatolagus dicei Burke 1936 [synonym]
†Megalagus dawsoni Black 1961
†Megalagus primitivus Schlaikjer 1935
†Megalagus turgidus Cope 1873
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Invalid names: Palaeolagus triplex Cope 1873 [synonym], Tricium paniense Cope 1873 [synonym]
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: Nowak 1991, Lillegraven 1979, Ji et al. 2002, Carroll 1988, Hendy et al. 2009

Age range: base of the Middle Chadronian to the top of the Hemingfordian or 37.00000 to 16.30000 Ma

Collections (94 total)


Time interval Ma Country or state Original ID and collection number
Duchesnean - Chadronian39.7 - 33.9USA (Montana) M. sp. (16840)
Duchesnean - Early/Lower Chadronian39.7 - 33.9USA (Montana) M. brachyodon (230862)
Chadronian37.0 - 33.9USA (North Dakota) M. brachyodon (16991)
Chadronian37.0 - 33.9USA (South Dakota) M. turgidus (17007)
Chadronian37.0 - 33.9USA (Nebraska) M. brachyodon (16930 16940 16941 17014 17031)
Chadronian37.0 - 33.9Canada (Saskatchewan) M. brachyodon (16919 16979) Palaeolagus turgidus (101961)
Chadronian37.0 - 33.9USA (Wyoming) M. brachyodon (16920 16962 16963 16964 16965) M. brachyodon, M. turgidus (16942) M. sp. (16952) M. turgidus (16943)
Chadronian37.0 - 33.9USA (Montana) M. brachyodon (16924 16935 16959 17010 17041) M. sp. (16990) Palaeolagus triplex (16988)
Late/Upper Chadronian37.0 - 33.9USA (Colorado) M. brachydon (85117)
Late/Upper Chadronian37.0 - 33.9USA (Montana) M. brachyodon (17027)
Late/Upper Chadronian37.0 - 33.9Canada (Saskatchewan) M. turgidus (16981)
Middle Chadronian37.0 - 33.9Canada (Saskatchewan) M. sp. (16928)
Middle Chadronian - Late/Upper Chadronian37.0 - 33.9USA (Colorado) M. brachyodon (156988)
Chadronian - Orellan37.0 - 31.8USA (Wyoming) M. turgidus (16993)
Orellan33.9 - 31.8USA (South Dakota) M. sp. (17187 17189 17198 163487) M. turgidus (17094 17115 17173 17174) Palaeolagus turgidus (17133)
Orellan33.9 - 31.8USA (Montana) M. turgidus (17090)
Orellan33.9 - 31.8Canada (Saskatchewan) M. turgidus (17111)
Orellan33.9 - 31.8USA (North Dakota) M. sp. (17100)
Orellan33.9 - 31.8USA (Colorado) M. turgidus (17081 17082 17083)
Orellan33.9 - 31.8USA (Nebraska) M. turgidus (17098 17164 17207 17211 17214 17220 17221 17235 17239 17242 17250 17252 17257 17269 17271 17273)
Orellan33.9 - 31.8USA (Wyoming) M. turgidus (17104 17105 17106)
Whitneyan31.8 - 29.5USA (South Dakota) M. sp. (17384) M. turgidus (17336 17337 17338)
Whitneyan31.8 - 29.5USA (Nebraska) M. turgidus (17420)
Whitneyan31.8 - 29.5Canada (Saskatchewan) M. primitivus (17372)
Geringian29.5 - 24.7USA (South Dakota) M. primitivus (17623 17630 17633 17634 17635 17636 17637 17641 17651 17652)
Geringian29.5 - 24.7USA (Nebraska) M. sp. (17709)
Geringian - Monroecreekian29.5 - 23.1USA (Florida) M. sp. (17487)
Arikareean29.5 - 18.5USA (Florida) M. abaconis (17476)
Arikareean29.5 - 18.5USA (Montana) M. dawsoni (17509) M. sp. (17540)
Arikareean29.5 - 18.5USA (Nebraska) M. primitivus (17708)
early Early Arikareean29.5 - 18.5USA (Nebraska) M. primitivus (156729)
early Early Arikareean - late Early Arikareean29.5 - 18.5USA (Wyoming) Hypolagus primitivus (17730)
Chattian27.3 - 23.04USA (North Carolina) M. sp. (71651)
Chattian27.3 - 23.04USA (Florida) M. sp. (17860)
Hemingfordian18.5 - 16.3Canada (Saskatchewan) M. dawsoni (18003)