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Fossorcastor fossor

Mammalia - Rodentia - Castoridae

Taxonomy
Steneofiber fossor was named by Peterson (1905) ["fosser"]. Its type specimen is CM 1217, a partial skeleton (cranium, the vertebral column, including eleven caudals, (the extreme tip of the tail is missing), both clavicles, and a fairly complete set of ribs), and it is a 3D body fossil. Its type locality is Pine Ridge Escarpment, which is in a Harrisonian terrestrial horizon in the Harrison Formation of Nebraska.

It was recombined as Palaeocastor fossor by Stirton (1935) and Martin (1987); it was recombined as Fossorcastor fossor by Xu (1996).

Synonyms
Synonymy list
YearName and author
1905Steneofiber fossor Peterson p. 140
1907Steneofiber simplicidens Matthew
1928Palaeocastor magnus Romer and McCormack
1935Palaeocastor fossor Stirton
1935Palaeocastor major Stirton
1935Palaeocastor simplicidens Stirton
1970Palaeocastor simplicidens Macdonald
1987Palaeocastor fossor Martin
1987Palaeocastor magnus Martin
1996Fossorcastor fossor Xu

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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
subfamilyPalaeocastorinae
genusFossorcastorMartin 1987
speciesfossor()

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.

†Fossorcastor fossor Peterson 1905
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Invalid names: Palaeocastor magnus Romer and McCormack 1928 [synonym], Palaeocastor major Stirton 1935 [synonym], Steneofiber simplicidens Matthew 1907 [synonym]
Diagnosis
No diagnoses are available