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Migmacastor procumbodens

Osteichthyes - Rodentia - Castoridae

Taxonomy
Migmacastor procumbodens was named by Korth and Rybczynski (2003). Its type specimen is F:AM 65723, a skull (nearly complete cranium with associated mandible), and it is a 3D body fossil. Its type locality is Harrison Formation (Migmacastor Locality), which is in a Harrisonian terrestrial horizon in the Harrison Formation of Nebraska. It is the type species of Migmacastor.

Entered
by J. Alroy on 2003-09-29; modified by J. Alroy on 2013-10-27

Synonymy list
YearName and author
2003Migmacastor procumbodens Korth and Rybczynski

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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()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentia
infraorderCastorimorpha
superfamilyCastoroideaGray 1821
familyCastoridae
genusMigmacastor
speciesprocumbodens

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.

†Migmacastor procumbodens Korth and Rybczynski 2003
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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, Lillegraven 1979, Nowak 1991

Age range: Harrisonian or 23.10000 to 18.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Harrisonian23.1 - 18.5USA (Nebraska) Migmacastor procumbodens (type locality: 34807)