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Palaeocastor

Osteichthyes - Rodentia - Castoridae

Taxonomy
Palaeocastor was named by Leidy (1869) ["new genus" according to Xu 1996, no reference to Martin]. It is not extant. It is the type genus of Palaeocastorinae. It was considered polyphyletic by Rybczynski (2007).

It was synonymized subjectively with Castor by Cope (1881); it was synonymized subjectively with Steneofiber by Hay (1902).

It was assigned to Castoridae by Leidy (1869), McKenna and Bell (1997); and to Palaeocastorinae by Korth (2001), Rybczynski (2007), Korth (2014).

Synonymy list
YearName and author
1869Palaeocastor Leidy
1997Palaeocastor McKenna and Bell
2001Palaeocastor Korth p. 46
2007Palaeocastor Rybczynski p. 7
2014Palaeocastor Korth p. 381

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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
subfamilyPalaeocastorinae
genusPalaeocastorLeidy 1869

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. †Palaeocastor Leidy 1869
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Palaeocastor 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]
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Invalid names: Steneofiber sciuroides Matthew 1907 [synonym]
Palaeocastor wahlerti Korth 2001
Diagnosis
No diagnoses are available