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Castoridae (beaver)

Mammalia - Rodentia - Castoridae

Synonymy list
YearName and author
1821Castoridae Gray
1850Castoridae Bonaparte p. 1
1883Castoridae Flower p. 185
1891Castoridae Flower and Lydekker p. 91
1908Castoridae Lambe
1958Castoridae Wood p. 172
1966Castoridae Johnson p. 80
1980Castoridae Kurten and Anderson p. 235
1988Castoridae Carroll
1989Castoridae Shoshani et al. p. 436
1991Castoridae Nowak
1999Castoridae Nowak
2001Castoridae Sach and Heizmann p. 27
2002Castoridae Montgelard et al. p. 229
2006Castoridae Korth and Bailey p. 237
2007Castoridae Korth p. 118
2018Castoridae Eshelman et al. p. 6

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
EuarchontogliresMurphy et al. 2001
Glires()
orderRodentia
superfamilyCastoroideaGray 1821
familyCastoridae
familyCastoridae

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: amphibiousf
Diet: browserf
Comments: life habit and diet based on Nowak 1999f
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:05:29
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002

Age range

Maximum range based only on fossils: base of the Late/Upper Eocene to the top of the Holocene or 37.20000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma

Collections (727 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Chadronian37.2 - 33.9USA (Nebraska) Agnotocastor sp. (17014 17033)
Chadronian37.2 - 33.9USA (Wyoming) Agnotocastor galushai (16964)
Chadronian37.2 - 33.9Canada (Saskatchewan) Castoridae indet. (16919)
Late/Upper Eocene37.2 - 33.9United Kingdom (England) Steneofiber sp. (39300)
Orellan33.9 - 33.3USA (Nebraska) Agnotocastor readingi (17135 17164)
Orellan33.9 - 33.3USA (South Dakota) Agnotocastor sp. (17198) Eutypomys magnus (17115) Oligotheriomys magnus (17092)
Orellan33.9 - 33.3USA (Montana) Agnotocastor sp. (17090)
Orellan33.9 - 33.3USA (Colorado) Agnotocastor coloradensis (17081)
Orellan33.9 - 33.3USA (North Dakota) Agnotocastor praetereadens, Oligotheriomys primus (17101)
Orellan33.9 - 33.3Canada (Saskatchewan) Eutypomys magnus (17111)
Early/Lower Oligocene33.9 - 28.4China (Xinjiang) Propalaeocastor irtyshensis (174978)
Early/Lower Oligocene33.9 - 28.4Belgium Steneofiber butselensis (31748 183666)
Early/Lower Oligocene33.9 - 28.4Turkey Castoridae indet. (31605)
Early/Lower Oligocene33.9 - 28.4Kazakhstan (Aktyubinskaya) Propalaeocastor shevyrevae (174743)
Early/Lower Oligocene33.9 - 28.4China (Ningxia) Castoridae indet. (182895)
Early/Lower Oligocene33.9 - 28.4Spain (Aragon) Steneofiber sp. (68878)
Early/Lower Oligocene33.9 - 28.4China (Gansu) Monosaulax sp., Steneofiber sp. (182899)
MP 2433.9 - 28.4France (Region Provence-Alpes-Cote d'Azur) Steneofiber eseri (37518)
MP 23 - MP 2533.9 - 23.03Germany (Hesse) Steneofiber sp. (186510)
Whitneyan33.3 - 30.8Canada (Saskatchewan) Castoridae indet. (17372)