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Eucastor

Mammalia - Rodentia - Castoridae

Taxonomy
Eucastor was named by Allen (1877) [named as subgenus by Leidy 1858; first raised to genus level]. It is not extant. Its type is Castor (Eucastor) tortus.

It was assigned to Castoridae by Allen (1877), Hay (1902) and McKenna and Bell (1997); to Castoroidinae by Rybczynski (2007); and to Nothodipoidini by Korth (2007) and Korth (2008).

Synonyms
Synonymy list
YearName and author
1877Eucastor Allen
1896Sigmogomphius Merriam
1902Eucastor Hay p. 722
1902Sigmogomphius Hay p. 722
1997Eucastor McKenna and Bell
2007Eucastor Korth p. 118
2007Eucastor Rybczynski p. 7
2008Eucastor Korth p. 177

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
infraorderCastorimorpha
superfamilyCastoroideaGray 1821
familyCastoridae
subfamilyCastoroidinaeAllen 1877
tribeNothodipoidini
genusEucastorAllen 1877

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. †Eucastor Allen 1877
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†Eucastor malheurensis Shotwell and Russell 1963
†Eucastor tortus Leidy 1858
Invalid names: Sigmogomphius Merriam 1896 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: amphibiousf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:05:29
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Ji et al. 2002, Nowak 1991, Lillegraven 1979

Age range: base of the Barstovian to the top of the Villanyian or 16.30000 to 2.58800 Ma

Collections (63 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.03 - 5.333USA (Georgia) E. sp. (18592)
Miocene23.03 - 5.333USA (Nevada) E. sp. (19129)
Miocene23.03 - 5.333USA (South Dakota) E. tortus (18113)
Barstovian16.3 - 12.5USA (New Mexico) E. tortus (19287 19535)
Barstovian16.3 - 12.5USA (South Dakota) E. sp. (174578)
Barstovian16.3 - 12.5USA (Nebraska) Dipoides tortus (18416) E. sp. (18121 18124 18443 18498) E. sp., E. tortus (18216) E. tortus (18027 18090 18141 18164 18206 18208 18209 18240 18275 18284 18337 18353 18442 18454)
Barstovian16.3 - 12.5Canada (Saskatchewan) Monosaulax pansus (18759 18761 18785 18797 18798 18799)
Barstovian - Clarendonian16.3 - 9.4USA (Nebraska) Castor tortus (190543) E. sp. (18077 18235)
Barstovian - Clarendonian16.3 - 9.4USA (Montana) E. tortus (18805)
Barstovian - Early/Lower Clarendonian16.3 - 9.4USA (New Mexico) E. sp. (19286)
Clarendonian12.5 - 9.4USA (Kansas) E. sp. (18186 18219)
Clarendonian12.5 - 9.4USA (Utah) E. tortus (18913)
Clarendonian12.5 - 9.4USA (Nebraska) E. sp. (18060 18082 18095 18315 18372 74098 188779) E. tortus (18222 18299)
Clarendonian12.5 - 9.4USA (California) E. sp. (19384)
Clarendonian12.5 - 9.4USA (South Dakota) E. sp. (18063 18268) E. tortus (18344)
Clarendonian12.5 - 9.4USA (Oregon) E. malheurensis (18820 18823 18828 18831)
Clarendonian - Hemphillian12.5 - 4.9USA (Nebraska) E. sp. (18295)
Late/Upper Miocene11.608 - 5.333USA (Wyoming) E. sp. (19044)
Hemphillian10.3 - 4.9USA (Nebraska) E. tortus (18033)
Late/Upper Pliocene3.6 - 2.588China (Hebei) E. sp. (13486)
Villanyian3.2 - 2.588China (Hebei) E. sp. (43208 43209)