PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Castoroides (giant beaver)

Mammalia - Rodentia - Castoridae

Taxonomy

Castoroides was named by Foster (1838). Its type is Castoroides ohioensis. It is the type genus of Castoroidinae, Castoroidini.

It was assigned to Rodentia by Foster (1838) and Leidy (1860); to Castoroididae by Hay (1902); to Castoroidinae by Rybczynski (2007); to Castoroidini by Korth (2008); and to Castoridae by Wilson (1967), Martin (1969), Kurten and Anderson (1980), McKenna and Bell (1997), Eshelman et al. (2018) and Albright et al. (2019).

Species

C. dilophidus (syn. C. leiseyorum), C. ohioensis (syn. Burosor efforsorius, C. kansensis, C. nebrascensis) (type species)

Synonyms

Burosor is a genus.

It was synonymized subjectively with Castoroides by Martin (1969).

Synonymy list

Year	Name and author
1838	Castoroides Foster p. 81
1860	Castoroides Leidy p. 114
1902	Castoroides Hay p. 733
1967	Castoroides Wilson p. 208
1969	Castoroides Martin p. 1035
1980	Castoroides Kurten and Anderson p. 236
1997	Castoroides McKenna and Bell
2007	Castoroides Rybczynski p. 7
2008	Castoroides Korth p. 169
2018	Castoroides Eshelman et al. p. 6
2019	Castoroides Albright et al. p. 157

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes

Rank	Name	Author
class	Mammalia
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Euarchontoglires	Murphy et al. 2001
—	Gliriformes	Wyss and Meng 1996
—	Glires	()
—	Simplicidentata	()
order	Rodentia	Bowdich 1821
infraorder	Castorimorpha
superfamily	Castoroidea	Gray 1821
family	Castoridae
subfamily	Castoroidinae	Allen 1877
tribe	Castoroidini	Allen 1877
genus	Castoroides

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. †Castoroides Foster 1838 [giant beaver]

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†Castoroides dilophidus Martin 1969

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Invalid names: Castoroides leiseyorum Morgan and White 1995 [synonym]

†Castoroides ohioensis Foster 1838

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Invalid names: Burosor efforsorius Starrett 1956 [synonym], Castoroides kansensis Martin 1912 [synonym], Castoroides nebrascensis Barbour 1931 [synonym]

Invalid names: Burosor [synonym]

Diagnosis

No diagnoses are available