Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Sciuridae was named by Gray (1821) [also attributed to Fischer de Waldheim 1817]. It is extant. Its type is Sciurus.
It was assigned to Rosores by Gray (1821); to Glires by Bonaparte (1850); to Simplicidentata by Cope (1889); to Sciuromorpha by Gadow (1898); to Sciuromorpha by Hay (1902); to Simplicidentata by Flower (1883) and Lambe (1908); to Sciurognathi by Jaekel (1911); to Sciuromorpha by Nowak (1999); to Sciuroidea by Carroll (1988) and Montgelard et al. (2002); and to Rodentia by Leidy (1873), Ray (1965), Johnson (1966), Kurten and Anderson (1980), Nowak (1991), Emry et al. (2005), Vianey-Liaud et al. (2014) and Korth et al. (2022).
It was assigned to Rosores by Gray (1821); to Glires by Bonaparte (1850); to Simplicidentata by Cope (1889); to Sciuromorpha by Gadow (1898); to Sciuromorpha by Hay (1902); to Simplicidentata by Flower (1883) and Lambe (1908); to Sciurognathi by Jaekel (1911); to Sciuromorpha by Nowak (1999); to Sciuroidea by Carroll (1988) and Montgelard et al. (2002); and to Rodentia by Leidy (1873), Ray (1965), Johnson (1966), Kurten and Anderson (1980), Nowak (1991), Emry et al. (2005), Vianey-Liaud et al. (2014) and Korth et al. (2022).
Subtaxa
Albanensia, Arctomyoides, Blackiini, Callosciurini, Cedromurinae, Comtia, Cynomyoides, Douglassciurus (syn. Douglassia), Forsythia, Funambulini, Hesperopetes, Heteroxerus, Marmotini (syn. Tamiini), Miosciurus, Miospermophilus, Nototamias, Oligosciurus, Paenemarmota, Palaearctomys, Palaeosciurus, Parapaenemarmota, Paratamias, Petauristodon, Pliopetaurista, Pliopetes, Pliosciuropterus, Prospermophilus, Protosciurus, Protospermophilus, Protoxerini, Pteromyinae, Ratufini, Sciurillus, Sciurinae, Sciurini, Sciurion, Sciuropterus, Sciurotamias, Tamiasciurini, Vulcanisciurus, Xerini
Synonyms
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Synonymy list
Year | Name and author |
---|---|
1821 | Sciuridae Gray |
1821 | Sciurinae Gray |
1821 | Sciuridae Gray p. 304 |
1850 | Sciuridae Bonaparte p. 1 |
1873 | Sciuridae Leidy p. 335 |
1883 | Sciuridae Flower p. 185 |
1889 | Sciuridae Cope p. 876 |
1898 | Sciuridae Gadow p. 43 |
1902 | Sciuridae Hay p. 718 |
1902 | Sciurinae Hay p. 719 |
1908 | Sciuridae Lambe |
1911 | Sciuridae Jaekel p. 222 |
1965 | Sciuridae Ray |
1966 | Sciuridae Johnson p. 80 |
1980 | Sciuridae Kurten and Anderson p. 210 |
1988 | Sciuridae Carroll |
1991 | Sciuridae Nowak |
1999 | Sciuridae Nowak |
2002 | Sciuridae Montgelard et al. p. 228 |
2005 | Sciuridae Emry et al. p. 228 |
2014 | Sciurinae Korth p. 377 |
2014 | Sciuridae Vianey-Liaud et al. p. 602 |
2022 | Sciuridae Korth et al. |
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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.
Fm. Sciuridae Gray 1821 [squirrel]
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G. †Albanensia Daxner-Höck and Mein 1975
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†Albanensia albanensis Major 1893
†Albanensia albanensis quiricensis Villalta 1950
†Albanensia grimmi Black 1966
†Albanensia sansaniensis Lartet 1851
G. †Arctomyoides Bryant 1945
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†Arctomyoides arctomyoides Douglass 1903
†Arctomyoides oregonensis Downs 1956
Tr. Callosciurini
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G. Callosciurus Gray 1867 [tree squirrel]
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Callosciurus erythraeus Pallas 1779 [Pallas's squirrel]
Callosciurus erythraeus castaneoventris Gray 1842
Callosciurus macclellandi Horsfield 1840
Callosciurus macclellandi inconstans Thomas 1920
Callosciurus pygerythrus Geoffroy 1831
Callosciurus pygerythrus imitator Thomas 1925
G. Dremomys Heude 1898 [red-cheeked squirrel]
G. Exilisciurus Moore 1958 [Asian pygmy squirrel]
G. Glyphotes Thomas 1898 [Sculptor squirrel]
G. Hyosciurus Tate and Archbold 1935
G. Lariscus Thomas and Wroughton 1909 [Asian striped ground squirrel]
G. Menetes Thomas 1908 [Indochinese ground squirrel]
G. Nannosciurus Trouessart 1880 [Black-eared pygmy squirrel]
G. Prosciurillus Ellerman 1947 [Sulawesi tree squirrel]
G. Rhinosciurus Blyth 1856 [ant-eating squirrel]
G. Rubrisciurus Ellerman 1954 [Sulawesi giant squirrel]
G. Sundasciurus Moore 1958 [Sunda squirrel]
G. Tamiops Allen 1906 [Asian striped squirrel]
Subfm. †Cedromurinae Korth and Emry 1991
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G. †Cedromus Wilson 1949
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†Cedromus modicus Korth et al. 2022
†Cedromus savannae Hayes 2007
†Cedromus wardi Wilson 1949
†Cedromus wilsoni Korth and Emry 1991
G. †Kherem Minjin 2004
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†Kherem asiatica Wang and Dashzeveg 2005
†Kherem hsandgoliensis Minjin 2004
G. †Douglassciurus Emry and Korth 2001
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†Douglassciurus bjorki Korth 2014
†Douglassciurus jeffersoni Douglass 1902
†Douglassciurus oaxacaensis Ferrusquia-Villafranca et al. 2018
Invalid names: Douglassia Emry and Korth 1996 [synonym]
G. †Forsythia Mein 1970
G. †Hesperopetes Emry and Korth 2007
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†Hesperopetes blacki Emry and Korth 2007
†Hesperopetes jamesi Emry and Korth 2007
†Hesperopetes thoringtoni Emry and Korth 2007
Tr. Marmotini
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G. Ammospermophilus Merriam 1892 [antelope squirrel]
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†Ammospermophilus fossilis James 1963
†Ammospermophilus hanfordi Gustafson 1978
Ammospermophilus interpres Merriam 1890 [Texas antelope squirrel]
†Ammospermophilus jeffriesi Miller 1980
†Ammospermophilus junturensis Shotwell and Russell 1963
Ammospermophilus leucurus Merriam 1889 [white-tailed antelope squirrel]
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Callospermophilus lateralis Say 1823 [golden-mantled ground squirrel]
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Invalid names: Spermophilus chrysodeirus Merriam 1890 [synonym]
G. Cynomys Rafinesque 1817 [prairie dog]
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Cynomys gunnisoni Baird 1855 [Gunnison's prairie dog]
†Cynomys hibbardi Eshelman 1975
Cynomys leucurus Merriam 1890 [white-tailed prairie dog]
Cynomys ludovicianus Ord 1815 [black-tailed prairie dog]
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Invalid names: Cynomys arizonensis Mearns 1890 [synonym], Cynomys cinereus Richardson 1829 [synonym], Cynomys grisea Rafinesque 1817 [synonym], Cynomys meadensis Hibbard 1956 [synonym], Cynomys pyrrotrichus Elliot 1905 [synonym], Cynomys socialis Rafinesque 1817 [synonym], Monax missouriensis Warden 1819 [synonym]
Cynomys mexicanus Merriam 1892 [Mexican prairie dog]
†Cynomys niobrarius Hay 1921
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Invalid names: Cynomys churcherii Burns and McGillivray 1989 [synonym], Cynomys spispiza Green 1960 [synonym]
Cynomys parvidens Allen 1905 [Utah prairie dog]
†Cynomys sappaensis Goodwin 1995
†Cynomys spenceri Goodwin 1995
†Cynomys vetus Hibbbard 1942
Invalid names: Monax Warden 1819 [synonym]
G. Eutamias Trouessart 1880 [chipmunk]
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Eutamias ertemtensis Qiu 1991
Eutamias minimus Bachman 1839 [least chipmunk]
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Invalid names: Eutamias atristriatus Bailey 1913 [synonym], Eutamias caniceps Osgood 1900 [synonym], Eutamias consobrinus Allen 1890 [synonym], Eutamias oreocetes Merriam 1897 [synonym]
G. Ictidomys Allen 1877 [lined ground squirrels]
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Ictidomys mexicanus Erxleben 1877
Ictidomys tridecemlineatus Mitchell 1821 [thirteen-lined ground squirrel]
G. Marmota Frisch 1775 [marmot]
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†Marmota arizonae Hay 1921
Marmota broweri Hall and Gilmore 1934 [Alaska marmot]
Marmota caligata Eschscholtz 1829 [hoary marmot]
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Invalid names: Arctomys okanaganus King 1836 [synonym], Marmota oxytona Hollister 1914 [synonym], Marmota vigilis Heller 1909 [synonym]
Marmota flaviventris Audubon and Bachman 1841 [yellow-bellied marmot]
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Invalid names: Arctomys dacota Merriam 1889 [synonym], Marmota engelhardti Allen 1905 [synonym]
†Marmota korthi Kelly 2000
Marmota marmota Linnaeus 1758 [Alpine marmot]
†Marmota minor Kellogg 1910
Marmota monax Linnaeus 1758 [groundhog]
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Invalid names: Arctomys ignavus Bangs 1899 [synonym], Arctomys melanopus Kuhl 1820 [synonym], Arctomys sibila Wolf 1808 [synonym], Glis canadensis Erxleben 1777 [synonym], Hyrax hudsonius Schreber 1792 [synonym], Marmota ochracea Swarth 1911 [synonym], Mus empetra Pallas 1778 [synonym]
†Marmota nevadensis Kellogg 1910
Marmota olympus Merriam 1898
Marmota vancouverensis Swarth 1911
Invalid names: Arctomys Schreber 1780 [synonym], Lagomys Storr 1780 [synonym], Lipura Illiger 1811 [synonym], Marmotops Pocock 1923 [synonym]
G. Neotamias Howell 1929 [chipmunk]
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Neotamias alpinus Merriam 1893
Neotamias amoenus Allen 1890
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Invalid names: Eutamias canicaudus Merriam 1903 [synonym], Eutamias caurinus Merriam 1898 [synonym], Eutamias ludibundus Hollister 1911 [synonym], Tamias frater Allen 1890 [synonym]
Neotamias bulleri Miller and Rehn 1901
Neotamias canipes Fleharty 1960
Neotamias cinereicollis Allen 1890
Neotamias dorsalis Baird 1855 [cliff chipmunk]
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Invalid names: Eutamias canescens Allen 1904 [synonym]
†Neotamias malloryi Martin 1998
Neotamias obscurus Allen 1890
Neotamias ochrogenys Sutton and Nadler 1974
Neotamias panamintinus Merriam 1893
Neotamias quadrivittatus Say 1823
Neotamias ruficaudus Howell 1920
Neotamias senex Allen 1890
Neotamias siskiyou Sutton and Nadler 1974
Neotamias sonomae Grinnell 1915
Neotamias townsendii Bachman 1839
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Invalid names: Tamias cooperi Baird 1855 [synonym], Tamias hindei Gray 1842 [synonym]
Neotamias umbrinus Allen 1890
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Invalid names: Eutamias adsitus Allen 1905 [synonym], Eutamias palmeri Merriam 1897 [synonym]
G. Otospermophilus Brandt 1844
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†Citellus (Otospermophilus) argonautus Stirton and Goeriz 1942
†Citellus (Otospermophilus) bensoni Gidley 1922
†Citellus (Otospermophilus) gidleyi Merriam et al. 1925
Otospermophilus beecheyi Richardson 1823 [California ground squirrel]
Otospermophilus variegatus Erxleben 1777 [rock squirrel]
Otospermophilus variegatus grammurus Helgen et al. 2009 [rock squirrel]
G. Spermophilus Cuvier 1825 [ground squirrel]
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Spermophilus armatus Kennicott 1863
†Spermophilus boothi Hibbard 1972
†Spermophilus cochisei Gidley 1922
Spermophilus columbianus Ord 1815 [Columbian ground squirrel]
†Spermophilus cragini Hibbard 1941
†Spermophilus cyanocittus Korth 1997
†Spermophilus dotti Hibbard 1954
†Spermophilus finlayensis Strain 1966
†Spermophilus fricki Hibbard 1942
†Spermophilus howelli Hibbard 1941
†Spermophilus jerae Sutton and Korth 1995
†Spermophilus johnstoni Hibbard 1972
†Spermophilus lorisrusselli Hibbard 1976
†Spermophilus matachicensis Wilson 1949
†Spermophilus matthewi Black 1963
†Spermophilus mcgheei Strain 1966
†Spermophilus mckayensis Shotwell 1956
†Spermophilus meadensis Hibbard 1941
†Spermophilus meltoni Hibbard 1972
†Spermophilus primitivus Bryant 1945
†Spermophilus rexroadensis Hibbard 1941
†Spermophilus russelli Gustafson 1978
†Spermophilus shotwelli Black 1963
Spermophilus spilosoma Bennett 1833 [spotted ground squirrel]
†Spermophilus superciliosus Kaup 1839
†Spermophilus taylori Hay 1921
Spermophilus tridecemlineatus Mitchell 1821 [thirteen-lined ground squirrel]
†Spermophilus tuitus Hay 1921
†Spermophilus wellingtonensis Kelly 1997
†Spermophilus wilsoni Shotwell 1956
Invalid names: Citellus Oken 1816 [synonym]
G. Tamias Illinger 1811 [chipmunk]
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†Tamias aristus Ray 1965
†Tamias ateles Hall 1930
†Tamias eviensis de Bruijn et al. 1980
†Tamias laevidens Cope 1869
Tamias striatus Linnaeus 1758 [eastern chipmunk]
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Invalid names: Sciurus lysteri Richardson 1829 [synonym]
G. Urocitellus Obolenskij 1927 [Holarctic ground squirrel]
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Urocitellus elegans Kennicott 1863 [Wyoming ground squirrel]
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Invalid names: Citellus kimballensis Kent 1967 [synonym]
Urocitellus parryii Richardson 1825 [arctic ground squirrel]
Urocitellus richardsonii Sabine 1822
Urocitellus townsendii Bachman 1839 [Townsend's ground squirrel]
Invalid names: Anisonyx Rafinesque 1817 [replaced]
G. Xerospermophilus Merriam 1892 [pygmy ground squirrel]
Invalid names: Tamiini [synonym]
G. †Miopetaurista Kretzoi 1962
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†Miopetaurista crusafonti Mein 1970
†Miopetaurista dehmi de Bruijn et al. 1980
†Miopetaurista diescalidus Daams 1977
†Miopetaurista gaillardi Mein 1970
†Miopetaurista lappi Mein 1958
†Miopetaurista neogrivensis Mein 1970
†Miopetaurista thaleri Mein 1970
†Miopetaurista tobieni Mein 1970
†Miopetaurista webbi Robertson 1976
Invalid names: Cryptopterus Mein 1970 [synonym]
G. †Miosciurus Black 1963
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†Miosciurus ballovianus Cope 1881
†Miosciurus covensis Korth and Samuels 2015
G. †Miospermophilus Black 1963
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†Miospermophilus bryanti Wilson 1960
†Miospermophilus lavertyi Dalquest et al. 1996
†Miospermophilus wyomingensis Black 1963
G. †Nototamias Pratt and Morgan 1989
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†Nototamias hulberti Pratt and Morgan 1989
†Nototamias quadratus Korth 1992
G. †Paenemarmota Hibbard and Schultz 1948
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†Paenemarmota barbouri Hibbard and Schultz 1948
†Paenemarmota mexicana Wilson 1949
†Paenemarmota sawrockensis Hibbard 1964
G. †Palaearctomys Douglass 1903
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†Palaearctomys macrorhinus Douglass 1903
†Palaearctomys montanus Douglass 1903
G. †Palaeosciurus Pomel 1853
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†Palaeosciurus feignouxi Pomel 1953
†Palaeosciurus goti Vianey-Liaud 1974
†Palaeosciurus sutteri Ziegler and Fahlbusch 1986
G. †Parapaenemarmota Martin 1998
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†Parapaenemarmota oregonensis Shotwell 1956
†Parapaenemarmota pattersoni Wilson 1949
G. †Petauristodon Engesser 1979
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†Petauristodon jamesi Lindsay 1972
†Petauristodon mathewsi James 1963
†Petauristodon minimus Lindsay 1972
†Petauristodon pattersoni Pratt and Morgan 1989
†Petauristodon uphami James 1963
G. †Pliopetaurista Kretzoi 1962
G. †Pliopetes Kretzoi 1959
G. †Pliosciuropterus Sulimski 1964
G. †Protosciurus Black 1963
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†Protosciurus condoni Black 1963
†Protosciurus mengi Black 1963
†Protosciurus rachelae Black 1963
†Protosciurus tecuyensis Bryant 1945
G. †Protospermophilus Gazin 1930
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†Protospermophilus angusticeps Matthew 1933
†Protospermophilus kelloggi Black 1963
†Protospermophilus malheurensis Gazin 1932
†Protospermophilus parvus Korth and Kron 2020
†Protospermophilus quatalensis Gazin 1930
†Protospermophilus tephrus Gazin 1932
†Protospermophilus vortmani Cope 1879
Tr. Protoxerini
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G. Epixerus Thomas 1909 [Splendid-tailed Squirrel]
G. Funisciurus Trouessart 1880 [Rope Squirrel]
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Funisciurus akka de Winton 1895
Funisciurus alexandri Thomas and Wroughton 1907
Funisciurus anerythrus Thomas 1890
Funisciurus pyrropus Cuvier 1833
G. Heliosciurus Trouessart 1880 [Sun Squirrel]
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Heliosciurus rufobrachium Waterhouse 1842
Heliosciurus rufobrachium pasha Schwann 1904
G. Myosciurus Thojmas 1909
G. Paraxerus Forsyth Major 1893 [African Bush Squirrel]
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Paraxerus boehmi Reichenow 1886
Paraxerus boehmi emini Stuhlman 1894
Paraxerus palliatus Peters 1852 [red bush squirrel]
Paraxerus palliatus sponsus Thomas and Wroughton 1907
G. Protoxerus Forsyth Major 1893 [African giant squirrel]
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Protoxerus stangeri Waterhouse 1842
Protoxerus stangeri centricola Thomas 1906
Subfm. Pteromyinae
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G. Aeretes Allen 1940 [Chinese flying squirrel]
G. Aeromys Robinson and Kloss 1915 [large black flying squirrel]
G. Belomys Thomas 1908
G. Eoglaucomys Howell 1915
G. Eupetaurus Thomas 1888 [woolly flying squirrel]
G. Glaucomys Thomas 1908 [flying squirrel]
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Glaucomys sabrinus Shaw 1801 [northern flying squirrel]
Glaucomys volans Linnaeus 1758 [southern flying squirrel]
G. Iomys Thomas 1908
G. Petaurillus Thomas 1908 [pygmy flying squirrel]
G. Petaurista Link 1795 [Giant flying squirrel]
G. Petinomys Thomas 1908 [small flying squirrel]
G. Pteromys Cuvier 1800 [Eurasian flying squirrel]
G. Pteromyscus Thomas 1908 [smoky flying squirrel]
G. Trogopterus Heude 1898 [complex-toothed flying squirrel]
Invalid names: Petauristini [invalid subgroup]
Tr. Ratufini
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G. Ratufa Gray 1867 [Asian giant squirrel]
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Ratufa affinis Raffles 1822 [cream-coloured giant squirrel]
Ratufa bicolor Sparrmann 1778 [black giant squirrel]
Ratufa bicolor hypoleucos Horsfield 1824
†Ratufa maelongensis Mein et al. 1990
G. Sciurillus Thomas 1914 [pygmy squirrel]
Tr. Sciurini
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G. Rheithrosciurus Gray 1867 [Tassle-eared ground squirrel]
G. Sciurus Linnaeus 1758 [squirrel]
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Subg. Sciurus (Macroxus) Cuvier 1823
Subg. †Sciurus (Prosciurus) Matthew 1903
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†Sciurus (Prosciurus) vetustus Matthew 1903
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Invalid names: Prosciurus minor Russell 1972 [synonym]
Sciurus aberti Woodhouse 1853
Sciurus alleni Nelson 1898
Sciurus arizonensis Coues 1867
†Sciurus calycinus Cope 1871
Sciurus carolinensis Gmelin 1788 [eastern gray squirrel]
†Sciurus giganteus Freudenberg 1941
Sciurus griseus Ord 1818
Sciurus niger Linnaeus 1758 [fox squirrel]
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Invalid names: Sciurus cinereus Linnaeus 1758 [synonym]
†Sciurus olsoni Emry et al. 2005
†Sciurus panolius Cope 1869
Sciurus prevostii Desmarest 1822 [Prevost's squirrel]
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Sciurus prevostii rafflesii Vigors and Horsfield 1828
Sciurus prevostii harrisoni Stone and Rehn 1902
†Sciurus siderolithicus Picted and Humbert 1869
†Sciurus spectabilis Major 1873
†Sciurus venturus Bryant 1945
Sciurus vittatus Raffles 1822
†Sciurus vortmani Cope 1879
Sciurus vulgaris Linnaeus 1758 [Eurasian red squirrel]
Invalid names: Sciurus flavus Linnaeus 1758 [nomen dubium]
G. Syntheosciurus Bangs 1902 [Central American montane squirrel]
G. Sciuropterus Cuvier 1825
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†Sciuropterus gaudryi Gaillard 1899
†Sciuropterus jourdani Gaillard 1899
G. Sciurotamias Miller 1901 [Chinese rock squirrel]
Tr. Tamiasciurini
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G. Tamiasciurus Trouessart 1880
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Tamiasciurus hudsonicus Erxleben 1777 [American red squirrel]
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Invalid names: Sciurus douglasii Bachman 1839 [synonym], Sciurus tenuidens Hay 1920 [synonym], Tamiasciurus mearnsi Allen 1898 [synonym]
Tr. Xerini
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G. Atlantoxerus Major 1893
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†Atlantoxerus blacki de Bruijn 1967
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Invalid names: Atlantoxerus idubedensis Cuenca Bescós 1988 [synonym]
Atlantoxerus getulus Linnaeus 1758 [Barbary ground squirrel]
†Atlantoxerus rhodius de Bruijn et al. 1970
Invalid names: Getuloxerus Lavocat 1961 [replaced]
G. Spermophilopsis Blasius 1884 [long-clawed ground squirrel]
G. Xerus Hemprich and Ehrenberg 1833 [African ground squirrel]
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Xerus inauris Zimmermann 1893 [Cape ground squirrel]
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Invalid names: Myoxus africanus Shaw 1801 [objective synonym], Sciurus capensis Kerr 1792 [objective synonym]
Invalid names: Sciurinae Gray 1821 [invalid subgroup]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979, Nowak 1991 |
Age range
Maximum range based only on fossils: base of the Bartonian to the top of the Holocene or 41.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 38.0 Ma
Minimum age of oldest fossil (stem group age): 38.0 Ma
Collections (1181 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Bartonian | Mexico (Oaxaca) | Douglassciurus oaxacaensis (197503) | |
Bartonian | Switzerland (Baselland) | Plesiarctomys spectabilis (182806) | |
Bartonian - Rupelian | Mexico (Oaxaca) | Sciuridae indet. (166797) | |
Chadronian | USA (Montana) | Protosciurus jeffersoni (17010) | |
Chadronian | Canada (Saskatchewan) | Protosciurus jeffersoni (16919 16979) | |
Chadronian | USA (Wyoming) | Cedromus sp. (16920) Douglassciurus jeffersoni, Sciuridae indet. (16960) Protosciurus jeffersoni (16962 16963 16964) Protosciurus sp. (16961) Sciuridae indet. (17009) | |
Chadronian | USA (Nebraska) | Oligospermophilus douglassi (16941) Protosciurus jeffersoni (16917) Protosciurus sp. (16940 17033) | |
Chadronian | USA (North Dakota) | Douglassciurus jeffersoni (16991) | |
Late/Upper Chadronian | Canada (Saskatchewan) | Protosciurus sp. (16981) | |
Late/Upper Eocene | China (Nei Mongol) | Marmotini indet. (174913) | |
Late/Upper Chadronian - Orellan | USA (Nebraska) | Oligospermophilus douglassi, Protosciurus mengi, Douglassciurus bjorki, Hesperopetes sp., Cedromus modicus (230806) | |
Orellan | USA (Wyoming) | Cedromus wardi (17318) | |
Orellan | USA (Nebraska) | Cedromus wardi (17108 17211 17220 17242) Cedromus wardi, Protosciurus mengi (17250) Oligospermophilus douglassi (17235 17239 17264) Prosciurus saskatchewaensis (17059) Protosciurus douglassi (17160) Protosciurus mengi (17212 17216 17238) | |
Orellan | USA (Colorado) | Cedromus wardi (17081 17082 17083) | |
Orellan - Whitneyan | USA (Wyoming) | Cedromus wilsoni, Cedromus modicus (207058) | |
Early/Lower Oligocene | Turkey (Tekirdağ) | Sciuridae indet. (31605 31606) | |
Early/Lower Oligocene | France (Quercy, Midi-Pyrenees Region) | Palaeosciurus goti (31583) | |
Early/Lower Oligocene | Spain (Aragon) | Palaeosciurus gotti (68877) | |
Early/Lower Oligocene | China (Gansu) | Oligosciurus dangheensis (77998) | |
Early/Lower Oligocene | Germany | Sciuridae indet. (34630) |