Integrated Taxonomic Information System - Search Results

Results of: Search in every Kingdom for Scientific Name containing 'Sciurus'
 
 Kingdom Animalia
  Arius sciurus Smith, 1931 – invalid
  Ataenius sciurus Cartwright, 1974 – invalid
  Callosciurus Gray, 1867 – valid – Oriental Tree Squirrels
  Callosciurus adamsi (Kloss, 1921) – valid – Ear-spot Squirrel
  Callosciurus albescens (Bonhote, 1901) – invalid – Kloss's squirrel, Kloss squirrel
  Callosciurus baluensis (Bonhote, 1901) – valid – Kinabalu Squirrel
  Callosciurus caniceps (Gray, 1842) – valid – Gray-bellied Squirrel
  Callosciurus caniceps adangensis (Miller, 1903) – valid
  Callosciurus caniceps altinsularis (Miller, 1903) – valid
  Callosciurus caniceps bimaculatus (Temminck, 1853) – valid
  Callosciurus caniceps caniceps (Gray, 1842) – valid
  Callosciurus caniceps casensis (Miller, 1903) – valid
  Callosciurus caniceps concolor (Blyth, 1856) – valid
  Callosciurus caniceps domelicus (Miller, 1903) – valid
  Callosciurus caniceps fallax (Robinson and Kloss, 1914) – valid
  Callosciurus erythraeus (Pallas, 1779) – valid – Pallas's Squirrel
  Callosciurus erythraeus atrodorsalis (Gray, 1942) – valid
  Callosciurus erythraeus bartoni (Thomas, 1914) – valid
  Callosciurus erythraeus bhutanensis (Bonhote, 1901) – valid
  Callosciurus erythraeus bonhotei (Robinson and Wroughton, 1911) – valid
  Callosciurus erythraeus castaneoventris (Gray, 1842) – valid
  Callosciurus erythraeus erythraeus (Pallas, 1779) – valid
  Callosciurus erythraeus erythrogaster (Blyth, 1842) – valid
  Callosciurus erythraeus flavimanus (Geoffroy Saint-Hilaire, 1831) – valid
  Callosciurus erythraeus gloveri (Thomas, 1921) – valid
  Callosciurus erythraeus gordoni (Anderson, 1871) – valid
  Callosciurus erythraeus griseimanus (Milne-Edwards, 1867) – valid
  Callosciurus erythraeus harringtoni (Thomas, 1905) – valid
  Callosciurus erythraeus hendeei Osgood, 1932 – valid
  Callosciurus erythraeus hyperythrus (Blyth, 1855) – valid
  Callosciurus erythraeus intermedius (Anderson, 1879) – valid
  Callosciurus erythraeus michianus (Robinson and Wroughton, 1911) – valid
  Callosciurus erythraeus ningpoensis (Bonhote, 1901) – valid
  Callosciurus erythraeus pranis (Kloss, 1916) – valid
  Callosciurus erythraeus rubeculus (Miller, 1903) – valid
  Callosciurus erythraeus shanicus (Ryley, 1914) – valid
  Callosciurus erythraeus siamensis (Gray, 1860) – valid
  Callosciurus erythraeus sladeni (Anderson, 1871) – valid
  Callosciurus erythraeus styani (Thomas, 1894) – valid
  Callosciurus erythraeus thai (Kloss, 1917) – valid
  Callosciurus erythraeus thaiwanensis (Bonhote, 1901) – valid
  Callosciurus erythraeus zimmeensis Robinson and Wroughton, 1916 – valid
  Callosciurus finlaysonii (Horsfield, 1823) – valid – Finlayson's Squirrel
  Callosciurus finlaysonii albivexilli (Kloss, 1916) – valid
  Callosciurus finlaysonii annellatus Thomas, 1929 – valid
  Callosciurus finlaysonii bocourti (Milne-Edwards, 1867) – valid
  Callosciurus finlaysonii boonsongi Moore and Tate, 1965 – valid
  Callosciurus finlaysonii cinnamomeus (Temminck, 1853) – valid
  Callosciurus finlaysonii ferrugineus (F. Cuvier, 1829) – valid
  Callosciurus finlaysonii finlaysonii (Horsfield, 1823) – valid
  Callosciurus finlaysonii folletti (Kloss, 1915) – valid
  Callosciurus finlaysonii frandseni (Kloss, 1916) – valid
  Callosciurus finlaysonii germaini (Milne-Edwards, 1867) – valid
  Callosciurus finlaysonii harmandi (Milne-Edwards, 1877) – valid
  Callosciurus finlaysonii menamicus Thomas, 1929 – valid
  Callosciurus finlaysonii nox (Wroughton, 1908) – valid
  Callosciurus finlaysonii sinistralis (Wroughton, 1908) – valid
  Callosciurus finlaysonii trotteri (Kloss, 1916) – valid
  Callosciurus finlaysonii williamsoni Robinson and Kloss, 1922 – valid
  Callosciurus inornatus (Gray, 1867) – valid – Inornate Squirrel
  Callosciurus leucomus hirsutus Hayman, 1945 – invalid
  Callosciurus melanogaster (Thomas, 1895) – valid – Mentawai Squirrel
  Callosciurus melanogaster atratus (Miller, 1903) – valid
  Callosciurus melanogaster melanogaster (Thomas, 1895) – valid
  Callosciurus melanogaster mentawi (Chasen and Kloss, 1927) – valid
  Callosciurus nigrovittatus (Horsfield, 1823) – valid – Black-striped Squirrel
  Callosciurus nigrovittatus bilimitatus (Miller, 1903) – valid
  Callosciurus nigrovittatus bocki (Robinson and Wroughton, 1911) – valid
  Callosciurus nigrovittatus klossi (Miller, 1900) – valid
  Callosciurus nigrovittatus nigrovittatus (Horsfield, 1823) – valid
  Callosciurus notatus (Boddaert, 1785) – valid – Plantain Squirrel
  Callosciurus notatus albescens (Bonhote, 1901) – valid – Kloss squirrel, Kloss's squirrel
  Callosciurus notatus diardii (Jentink, 1879) – valid
  Callosciurus notatus miniatus (Miller, 1900) – valid
  Callosciurus notatus notatus (Boddaert, 1785) – valid
  Callosciurus notatus suffusus (Bonhote, 1901) – valid
  Callosciurus notatus vittatus (Raffles, 1821) – valid
  Callosciurus orestes (Thomas, 1895) – valid – Borneo Black-banded Squirrel
  Callosciurus phayrei (Blyth, 1856) – valid – Phayre's Squirrel
  Callosciurus prevostii (Desmarest, 1822) – valid – Prevost's Squirrel
  Callosciurus prevostii atricapillus (Schlegel, 1863) – valid
  Callosciurus prevostii atrox (Miller, 1913) – valid
  Callosciurus prevostii borneoensis (Müller and Schlegel, 1842) – valid
  Callosciurus prevostii caedis (Chasen and Kloss, 1932) – valid
  Callosciurus prevostii coomansi Sody, 1949 – valid
  Callosciurus prevostii humei (Bonhote, 1901) – valid
  Callosciurus prevostii melanops (Miller, 1902) – valid
  Callosciurus prevostii palustris (Lyon, 1907) – valid
  Callosciurus prevostii piceus (Peters, 1866) – valid
  Callosciurus prevostii pluto (Gray, 1867) – valid
  Callosciurus prevostii prevostii (Desmarest, 1822) – valid
  Callosciurus prevostii rafflesii (Vigors and Horsfield, 1828) – valid
  Callosciurus prevostii rufonigra (Gray, 1842) – valid
  Callosciurus prevostii sanggaus (Lyon, 1907) – valid
  Callosciurus prevostii sarawakensis (Gray, 1867) – valid
  Callosciurus prevostii waringensis Sody, 1949 – valid
  Callosciurus prevostii waringnesis Sody, 1949 – invalid
  Callosciurus prevostii wrayi (Kloss, 1910) – valid
  Callosciurus pygerythrus (I. Geoffroy Saint-Hilaire, 1833) – valid – Irrawaddy Squirrel
  Callosciurus pygerythrus blythii (Tytler, 1854) – valid
  Callosciurus pygerythrus janetta (Thomas, 1914) – valid
  Callosciurus pygerythrus lokroides (Hodgson, 1836) – valid
  Callosciurus pygerythrus mearsi (Bonhote, 1906) – valid
  Callosciurus pygerythrus owensi (Thomas and Wroughton, 1916) – valid
  Callosciurus pygerythrus pygerythrus (I. Geoffroy Saint-Hilaire, 1833) – valid
  Callosciurus pygerythrus stevensi (Thomas, 1908) – valid
  Callosciurus quinquestriatus (Anderson, 1871) – valid – Anderson's Squirrel
  Callosciurus quinquestriatus imarius Thomas, 1926 – valid
  Callosciurus quinquestriatus quinquestriatus (Anderson, 1871) – valid
  Chirosciurus Gervais, 1836 – invalid
  Diplectrum sciurus Gilbert, 1892 – valid – serrano ardilla, squirrel sand perch
  Exilisciurus Moore, 1958 – valid – Pygmy Squirrels
  Exilisciurus concinnus (Thomas, 1888) – valid – Philippine Pygmy Squirrel
  Exilisciurus exilis (Müller, 1838) – valid – Least Pygmy Squirrel
  Exilisciurus whiteheadi (Thomas, 1887) – valid – Tufted Pygmy Squirrel
  Funambulus (Prasadsciurus) Moore and Tate, 1965 – valid
  Funisciurus Trouessart, 1880 – valid – Rope Squirrels
  Funisciurus anerythrus (Thomas, 1890) – valid – Thomas's Rope Squirrel
  Funisciurus anerythrus anerythrus (Thomas, 1890) – valid
  Funisciurus anerythrus bandarum Thomas, 1915 – valid
  Funisciurus anerythrus mystax de Winton, 1898 – valid
  Funisciurus anerythrus raptorum Thomas, 1903 – valid
  Funisciurus bayonii (Bocage, 1890) – valid – Lunda Rope Squirrel
  Funisciurus carruthersi Thomas, 1906 – valid – Carruther's Mountain Squirrel
  Funisciurus carruthersi birungensis Gyldenstolpe, 1927 – valid
  Funisciurus carruthersi carruthersi Thomas, 1906 – valid
  Funisciurus carruthersi chrysippus Thomas, 1923 – valid
  Funisciurus carruthersi tanganyikae Thomas, 1909 – valid
  Funisciurus congicus (Kuhl, 1820) – valid – Congo Rope Squirrel
  Funisciurus duchaillui Sanborn, 1953 – valid – Du Chaillu's Rope Squirrel
  Funisciurus isabella (Gray, 1862) – valid – Lady Burton's Rope Squirrel
  Funisciurus isabella dubosti Eisentraut, 1969 – invalid
  Funisciurus isabella isabella (Gray, 1862) – invalid
  Funisciurus lemniscatus (Le Conte, 1857) – valid – Ribboned Rope Squirrel
  Funisciurus lemniscatus lemniscatus (Le Conte, 1857) – valid
  Funisciurus lemniscatus mayumbicus Kershaw, 1923 – valid
  Funisciurus leucogenys (Waterhouse, 1842) – valid – Red-cheeked Rope Squirrel
  Funisciurus leucogenys auriculatus (Matschie, 1891) – valid
  Funisciurus leucogenys leucogenys (Waterhouse, 1842) – valid
  Funisciurus leucogenys oliviae (Dollman, 1911) – valid
  Funisciurus praetextus (Wagner, 1843) – invalid
  Funisciurus pyrropus (F. Cuvier, 1833) – valid – Fire-footed Rope Squirrel
  Funisciurus pyrropus akka de Winton, 1895 – valid
  Funisciurus pyrropus leonis Thomas, 1905 – valid
  Funisciurus pyrropus leucostigma (Temminck, 1853) – valid
  Funisciurus pyrropus mandingo Thomas, 1903 – valid
  Funisciurus pyrropus nigrensis Thomas, 1909 – valid
  Funisciurus pyrropus niveatus Thomas, 1923 – valid
  Funisciurus pyrropus pembertoni Thomas, 1904 – valid
  Funisciurus pyrropus pyrropus (F. Cuvier, 1833) – valid
  Funisciurus pyrropus talboti Thomas, 1909 – valid
  Funisciurus substriatus de Winton, 1899 – valid – Kintampo Rope Squirrel
  Haemulon sciurus (Shaw, 1803) – valid – bluestriped grunt, ronco amarillo, ronco carite
  Heliosciurus Trouessart, 1880 – valid – Sun Squirrels
  Heliosciurus gambianus (Ogilby, 1835) – valid – Gambian Sun Squirrel
  Heliosciurus gambianus abassensis (Neumann, 1902) – valid
  Heliosciurus gambianus bongensis (Heuglin, 1877) – valid
  Heliosciurus gambianus canaster Thomas and Hinton, 1923 – valid
  Heliosciurus gambianus dysoni (St. Leger, 1937) – valid
  Heliosciurus gambianus elegans Thomas, 1909 – valid
  Heliosciurus gambianus gambianus (Ogilby, 1835) – valid
  Heliosciurus gambianus hoogstraali Setzer, 1954 – valid
  Heliosciurus gambianus kaffensis (Neumann, 1902) – valid
  Heliosciurus gambianus lateris (Thomas, 1909) – valid
  Heliosciurus gambianus limbatus Schwarz, 1915 – valid
  Heliosciurus gambianus loandicus Thomas, 1923 – valid
  Heliosciurus gambianus madogae (Heller, 1911) – valid
  Heliosciurus gambianus multicolor (Rüppell, 1835) – valid
  Heliosciurus gambianus omensis (Thomas, 1904) – valid
  Heliosciurus gambianus rhodesiae (Wroughton, 1907) – valid
  Heliosciurus gambianus senescens Thomas, 1909 – valid
  Heliosciurus mutabilis (Peters, 1852) – valid – Mutable Sun Squirrel
  Heliosciurus mutabilis beirae Roberts, 1913 – valid
  Heliosciurus mutabilis chirindensis Roberts, 1913 – valid
  Heliosciurus mutabilis mutabilis (Peters, 1852) – valid
  Heliosciurus mutabilis shirensis (Gray, 1867) – valid
  Heliosciurus mutabilis vumbae Roberts, 1937 – valid
  Heliosciurus punctatus (Temminck, 1853) – valid – Small Sun Squirrel
  Heliosciurus punctatus punctatus (Temminck, 1853) – valid
  Heliosciurus punctatus savannius Thomas, 1923 – valid
  Heliosciurus rufobrachium (Waterhouse, 1842) – valid – Red-legged Sun Squirrel
  Heliosciurus rufobrachium arrhenii (Lönnberg, 1917) – valid
  Heliosciurus rufobrachium aubryi (Milne-Edwards, 1867) – valid
  Heliosciurus rufobrachium benga Cabrera, 1917 – valid
  Heliosciurus rufobrachium brauni St. Leger, 1935 – valid
  Heliosciurus rufobrachium caurinus Thomas, 1923 – valid
  Heliosciurus rufobrachium coenosus (Thomas, 1909) – valid
  Heliosciurus rufobrachium emissus Thomas, 1923 – valid
  Heliosciurus rufobrachium hardyi Thomas, 1923 – valid
  Heliosciurus rufobrachium isabellinus (Gray, 1867) – valid
  Heliosciurus rufobrachium keniae (Neumann, 1902) – valid
  Heliosciurus rufobrachium leakyi Toschi, 1946 – valid
  Heliosciurus rufobrachium leonensis Thomas, 1923 – valid
  Heliosciurus rufobrachium lualabae Thomas, 1923 – valid
  Heliosciurus rufobrachium maculatus (Temminck, 1853) – valid
  Heliosciurus rufobrachium medjianus J. A. Allen, 1922 – valid
  Heliosciurus rufobrachium nyansae (Neumann, 1902) – valid
  Heliosciurus rufobrachium obfuscatus Thomas, 1923 – valid
  Heliosciurus rufobrachium occidentalis (Monard, 1941) – valid
  Heliosciurus rufobrachium pasha (Schwann, 1904) – valid
  Heliosciurus rufobrachium rubricatus J. A. Allen, 1922 – valid
  Heliosciurus rufobrachium rufobrachium (Waterhouse, 1842) – valid
  Heliosciurus rufobrachium semlikii Thomas, 1907 – valid
  Heliosciurus ruwenzorii (Schwann, 1904) – valid – Ruwenzori Sun Squirrel
  Heliosciurus ruwenzorii ituriensis (Prigogone, 1954) – valid
  Heliosciurus ruwenzorii ruwenzorii (Schwann, 1904) – valid
  Heliosciurus ruwenzorii schoutedeni (Prigogine, 1954) – valid
  Heliosciurus ruwenzorii vulcanius Thomas, 1909 – valid
  Heliosciurus undulatus (True, 1892) – valid – Zanj Sun Squirrel
  Hyosciurus Archbold and Tate, 1935 – valid – Sulawesi Long-nosed Squirrels
  Hyosciurus heinrichi Archbold and Tate, 1935 – valid – Montane Long-nosed Squirrel
  Hyosciurus heinrichi ileile Tate and Archbold, 1936 – invalid
  Hyosciurus ileile Tate and Archbold, 1936 – valid – Lowland Long-nosed Squirrel
  Lemur simiasciurus Schreber, 1774 – invalid
  Microsciurus J. A. Allen, 1895 – valid – Dwarf Squirrels
  Microsciurus alfari (J. A. Allen, 1895) – valid – Central American Dwarf Squirrel
  Microsciurus alfari alfari (J. A. Allen, 1895) – valid
  Microsciurus alfari alticola Goodwin, 1943 – valid
  Microsciurus alfari browni (Bangs, 1902) – valid
  Microsciurus alfari fusculus (Thomas, 1910) – valid
  Microsciurus alfari septentrionalis Anthony, 1920 – valid
  Microsciurus alfari venustulus Goldman, 1912 – valid
  Microsciurus flaviventer (Gray, 1867) – valid – Amazon Dwarf Squirrel
  Microsciurus flaviventer flaviventer (Gray, 1867) – valid
  Microsciurus flaviventer napi (Thomas, 1900) – valid
  Microsciurus flaviventer otinus (Thomas, 1901) – valid
  Microsciurus flaviventer peruanus (J. A. Allen, 1897) – valid
  Microsciurus flaviventer rubrirostris J. A. Allen, 1914 – valid
  Microsciurus flaviventer sabanillae Anthony, 1922 – valid
  Microsciurus flaviventer similis (Nelson, 1899) – valid
  Microsciurus flaviventer simonsi (Thomas, 1900) – valid
  Microsciurus mimulus (Thomas, 1898) – valid – Western Dwarf Squirrel
  Microsciurus mimulus boquetensis (Nelson, 1903) – valid
  Microsciurus mimulus isthmius (Nelson, 1899) – valid
  Microsciurus mimulus mimulus (Thomas, 1898) – valid
  Microsciurus santanderensis (Hernández-Camacho, 1957) – valid – Santander Dwarf Squirrel
  Myosciurus Thomas, 1909 – valid
  Myosciurus pumilio (Le Conte, 1857) – valid – African Pygmy Squirrel
  Nannosciurus Trouessart, 1880 – valid
  Nannosciurus melanotis (Müller, 1840) – valid – Black-eared Squirrel
  Nannosciurus melanotis bancanus Lyon, 1906 – valid
  Nannosciurus melanotis borneanus Lyon, 1906 – valid
  Nannosciurus melanotis melanotis (Müller, 1840) – valid
  Nannosciurus melanotis pulcher Miller, 1902 – valid
  Pithesciurus Lesson, 1840 – invalid
  Protoxerus (Allosciurus) Conisbee, 1953 – valid
  Rheithrosciurus Gray, 1867 – valid
  Rheithrosciurus macrotis (Gray, 1857) – valid – Tufted Ground Squirrel
  Rhinosciurus Blyth, 1856 – valid
  Rhinosciurus laticaudatus (Müller, 1840) – valid – Shrew-faced Squirrel
  Rhinosciurus laticaudatus alacris (Thomas, 1908) – valid
  Rhinosciurus laticaudatus laticaudatus (Müller, 1840) – valid
  Rhinosciurus laticaudatus saturatus Robinson and Kloss, 1919 – valid
  Rhinosciurus tupaioides Gray, 1843 – invalid
  Rhinosciurus tupaioides Blyth, 1856 – invalid
  Rubrisciurus Ellerman, 1954 – valid
  Rubrisciurus rubriventer (Müller and Schlegel, 1844) – valid – Sulawesi Giant Squirrel
  Sciurocheyla funisciurus Bochkov and OConnor, 2004 – valid
  Sciurus Linnaeus, 1758 – valid – tree squirrels
  Sciurus (Guerlinguetus) Gray, 1821 – valid
  Sciurus (Hadrosciurus) J. A. Allen, 1915 – valid
  Sciurus (Hesperosciurus) Nelson, 1899 – valid
  Sciurus (Otosciurus) Nelson, 1899 – valid
  Sciurus (Sciurus) Linnaeus, 1758 – valid
  Sciurus (Tenes) Thomas, 1909 – valid
  Sciurus (Urosciurus) J. A. Allen, 1915 – valid
  Sciurus aberti Woodhouse, 1853 – valid – Ardilla de Albert, Abert's Squirrel
  Sciurus aberti aberti Woodhouse, 1853 – valid
  Sciurus aberti barberi J. A. Allen, 1904 – valid
  Sciurus aberti chuscensis Goldman, 1931 – valid
  Sciurus aberti durangi Thomas, 1893 – valid
  Sciurus aberti ferreus True, 1900 – valid
  Sciurus aberti kaibabensis Merriam, 1904 – valid
  Sciurus aestuans Linnaeus, 1766 – valid – Guianan Squirrel
  Sciurus aestuans aestuans Linnaeus, 1766 – valid
  Sciurus aestuans alphonsei Thomas, 1903 – valid
  Sciurus aestuans garbei (Pinto, 1931) – valid
  Sciurus aestuans georgihernandezi Barriga-Bonilla, 1966 – valid
  Sciurus aestuans henseli Miranda Ribeiro, 1941 – valid
  Sciurus aestuans ingrami Thomas, 1901 – valid
  Sciurus aestuans macconnelli Thomas, 1901 – valid
  Sciurus aestuans poaiae (Moojen, 1942) – valid
  Sciurus aestuans quelchii Thomas, 1901 – valid
  Sciurus aestuans sebastiani Müller and Vesmanis, 1971 – valid
  Sciurus aestuans venustus (J. A. Allen, 1940) – valid
  Sciurus alleni Nelson, 1898 – valid – Allen's Squirrel
  Sciurus alstoni Anderson, 1879 – invalid
  Sciurus anomalus Gmelin, 1778 – valid – Caucasian Squirrel
  Sciurus anomalus anomalus Gmelin, 1778 – valid
  Sciurus anomalus pallescens (Gray, 1867) – valid
  Sciurus anomalus syriacus Ehrenberg, 1828 – valid
  Sciurus arizonensis Coues, 1867 – valid – Ardilla de Arizona, Arizona Gray Squirrel
  Sciurus arizonensis arizonensis Coues, 1867 – invalid
  Sciurus arizonensis catalinae Doutt, 1931 – invalid – Santa Catalina Mountains squirrel
  Sciurus arizonensis huachuca J. A. Allen, 1894 – invalid
  Sciurus aureogaster F. Cuvier, 1829 – valid – Ardilla vientre rojo, Mexican gray squirrel, Red-bellied Squirrel
  Sciurus aureogaster aureogaster F. Cuvier, 1829 – valid
  Sciurus aureogaster nigrescens Bennett, 1833 – valid
  Sciurus carolinensis Gmelin, 1788 – valid – gray squirrel, écureuil gris, Eastern Gray Squirrel
  Sciurus carolinensis carolinensis Gmelin, 1788 – valid
  Sciurus carolinensis extimus Bangs, 1896 – valid
  Sciurus carolinensis fuliginosus Bachman, 1839 – valid
  Sciurus carolinensis hypophaeus Merriam, 1886 – valid
  Sciurus carolinensis matecumbei H. H. Bailey, 1937 – invalid
  Sciurus carolinensis minutus H. H. Bailey, 1937 – invalid
  Sciurus carolinensis pennsylvanicus Ord, 1815 – valid
  Sciurus cinereus Linnaeus, 1758 – invalid
  Sciurus colliaei Richardson, 1839 – valid – Collie's Squirrel
  Sciurus colliaei colliaei Richardson, 1839 – valid
  Sciurus colliaei nuchalis Nelson, 1899 – valid
  Sciurus colliaei sinaloensis Nelson, 1899 – valid
  Sciurus colliaei truei Nelson, 1899 – valid
  Sciurus degus Molina, 1782 – invalid
  Sciurus deppei Peters, 1863 – valid – Deppe's Squirrel
  Sciurus deppei deppei Peters, 1863 – valid
  Sciurus deppei matagalpae J. A. Allen, 1908 – valid
  Sciurus deppei miravallensis Harris, 1931 – valid
  Sciurus deppei negligens Nelson, 1898 – valid
  Sciurus deppei vivax Nelson, 1901 – valid
  Sciurus elbertae Schwarz, 1911 – invalid
  Sciurus erythopus É. Geoffroy Saint-Hilaire, 1803 – invalid
  Sciurus evidens Miller and Hollister, 1921 – invalid
  Sciurus flammifer Thomas, 1904 – valid – Fiery Squirrel
  Sciurus gilvigularis Wagner, 1842 – valid – Yellow-throated Squirrel
  Sciurus gilvigularis gilvigularis Wagner, 1842 – valid
  Sciurus gilvigularis paraensis Goeldi and Hagmann, 1904 – valid
  Sciurus glis Linnaeus, 1766 – invalid
  Sciurus granatensis Humboldt, 1811 – valid – Red-tailed Squirrel
  Sciurus granatensis agricolae Hershkovitz, 1947 – valid
  Sciurus granatensis bondae J. A. Allen, 1899 – valid
  Sciurus granatensis candelensis (J. A. Allen, 1914) – valid
  Sciurus granatensis carchensis Harris and Hershkovitz, 1938 – valid
  Sciurus granatensis chapmani J. A. Allen, 1899 – valid
  Sciurus granatensis chiriquensis Bangs, 1902 – valid
  Sciurus granatensis chrysuros Pucheran, 1845 – valid
  Sciurus granatensis ferminae (Cabrera, 1917) – valid
  Sciurus granatensis gerrardi Gray, 1861 – valid
  Sciurus granatensis granatensis Humboldt, 1811 – valid
  Sciurus granatensis griseimembra (J. A. Allen, 1914) – valid
  Sciurus granatensis griseogena (Gray, 1867) – valid
  Sciurus granatensis hoffmanni Peters, 1863 – valid
  Sciurus granatensis imbaburae Harris and Hershkovitz, 1938 – valid
  Sciurus granatensis llanensis Mondolfi and Boher, 1984 – valid
  Sciurus granatensis manavi (J. A. Allen, 1914) – valid
  Sciurus granatensis maracaibensis Hershkovitz, 1947 – valid
  Sciurus granatensis meridensis Thomas, 1901 – valid
  Sciurus granatensis morulus Bangs, 1900 – valid
  Sciurus granatensis nesaeus G. M. Allen, 1902 – valid
  Sciurus granatensis norosiensis Hershkovitz, 1947 – valid
  Sciurus granatensis perijae Hershkovitz, 1947 – valid
  Sciurus granatensis quindianus (J. A. Allen, 1914) – valid
  Sciurus granatensis saltuensis Bangs, 1898 – valid
  Sciurus granatensis soederstroemi Stone, 1914 – valid
  Sciurus granatensis splendidus Gray, 1842 – valid
  Sciurus granatensis sumaco (Cabrera, 1917) – valid
  Sciurus granatensis tarrae Hershkovitz, 1947 – valid
  Sciurus granatensis valdiviae (J. A. Allen, 1915) – valid
  Sciurus granatensis variabilis I. Geoffroy Saint-Hilaire, 1832 – valid
  Sciurus granatensis versicolor Thomas, 1900 – valid
  Sciurus granatensis zuliae Osgood, 1910 – valid
  Sciurus griseus Ord, 1818 – valid – Ardilla gris, Western Gray Squirrel
  Sciurus griseus anthonyi Mearns, 1897 – valid
  Sciurus griseus griseus Ord, 1818 – valid
  Sciurus griseus nigripes Bryant, 1889 – valid
  Sciurus hudsonius Gmelin, 1788 – invalid
  Sciurus ignitus (Gray, 1867) – valid – Bolivian Squirrel
  Sciurus ignitus argentinius Thomas, 1921 – valid
  Sciurus ignitus boliviensis Osgood, 1921 – valid
  Sciurus ignitus cabrerai Moojen, 1958 – valid
  Sciurus ignitus ignitus (Gray, 1867) – valid
  Sciurus ignitus irroratus (Gray, 1867) – valid
  Sciurus igniventris Wagner, 1842 – valid – Northern Amazon Red Squirrel
  Sciurus igniventris cocalis Thomas, 1900 – valid
  Sciurus igniventris igniventris Wagner, 1842 – valid
  Sciurus inauris Zimmermann, 1780 – invalid
  Sciurus leucomus Müller and Schlegel, 1844 – invalid
  Sciurus leucomus occidentalis Meyer, 1898 – invalid
  Sciurus lis Temminck, 1844 – valid – Japanese Squirrel
  Sciurus mowewensis Roux, 1910 – invalid
  Sciurus murinus Müller and Schlegel, 1844 – invalid
  Sciurus murinus necopinus Miller and Hollister, 1921 – invalid
  Sciurus nayaritensis J. A. Allen, 1890 – valid – Nayarit squirrel, Ardilla de Nayarit, Mexican Fox Squirrel
  Sciurus nayaritensis apache J. A. Allen, 1893 – valid
  Sciurus nayaritensis chiricahuae Goldman, 1933 – valid – Chiricahua Nayarit squirrel
  Sciurus nayaritensis nayaritensis J. A. Allen, 1890 – valid
  Sciurus niger Linnaeus, 1758 – valid – fox squirrel, Ardilla zorra, Eastern Fox Squirrel
  Sciurus niger avicennia A. H. Howell, 1919 – valid – Big Cypress fox squirrel
  Sciurus niger avicinnia A. H. Howell, 1919 – invalid
  Sciurus niger bachmani Lowery and Davis, 1942 – valid
  Sciurus niger bryanti H. H. Bailey, 1920 – invalid
  Sciurus niger cinereus Linnaeus, 1758 – valid – Delmarva Peninsula fox squirrel, eastern fox squirrel
  Sciurus niger limitis Baird, 1855 – valid
  Sciurus niger ludovicianus Custis, 1806 – valid
  Sciurus niger neglectus (Gray, 1867) – invalid
  Sciurus niger niger Linnaeus, 1758 – valid – fox squirrel
  Sciurus niger rufiventer É. Geoffroy Saint-Hilaire, 1803 – valid
  Sciurus niger shermani Moore, 1956 – valid – Sherman's fox squirrel
  Sciurus niger subauratus Bachman, 1839 – valid
  Sciurus niger vicinus (Bangs, 1896) – invalid
  Sciurus niger vulpinus Gmelin, 1788 – valid
  Sciurus oculatus Peters, 1863 – valid – Peters's Squirrel
  Sciurus oculatus oculatus Peters, 1863 – valid
  Sciurus oculatus shawi Dalquest, 1950 – valid
  Sciurus oculatus tolucae Nelson, 1898 – valid
  Sciurus persicus Erxleben, 1777 – invalid
  Sciurus pucheranii (Fitzinger, 1867) – valid – Andean Squirrel
  Sciurus pucheranii caucensis Nelson, 1899 – valid
  Sciurus pucheranii medellinensis (Gray, 1867) – valid
  Sciurus pucheranii pucheranii (Fitzinger, 1867) – valid
  Sciurus pyrrhinus Thomas, 1898 – valid – Junín Red Squirrel, Junin Red Squirrel
  Sciurus richmondi Nelson, 1898 – valid – Richmond's Squirrel
  Sciurus rosenbergii Jentink, 1879 – invalid
  Sciurus rubriventer Müller and Schlegel, 1844 – invalid
  Sciurus sabrinus Shaw, 1801 – invalid
  Sciurus sagitta Linnaeus, 1766 – invalid
  Sciurus sanborni Osgood, 1944 – valid – Sanborn's Squirrel
  Sciurus sarasinorum Meyer, 1898 – invalid
  Sciurus spadiceus Olfers, 1818 – valid – Southern Amazon Red Squirrel
  Sciurus spadiceus spadiceus Olfers, 1818 – valid
  Sciurus spadiceus steinbachi J. A. Allen, 1914 – valid
  Sciurus spadiceus tricolor Tschudi, 1844 – valid
  Sciurus stramineus Eydoux and Souleyet, 1841 – valid – Guayaquil Squirrel
  Sciurus stramineus guayanus Thomas, 1900 – invalid
  Sciurus striatus americanus Gmelin, 1788 – invalid
  Sciurus tingahi Meyer, 1896 – invalid
  Sciurus tonkeanus Meyer, 1896 – invalid
  Sciurus topapuensis Roux, 1910 – invalid
  Sciurus variegatoides Ogilby, 1839 – valid – Variegated Squirrel
  Sciurus variegatoides adolphei Lesson, 1842 – valid
  Sciurus variegatoides atrirufus Harris, 1930 – valid
  Sciurus variegatoides bangsi Dickey, 1928 – valid
  Sciurus variegatoides belti Nelson, 1899 – valid
  Sciurus variegatoides boothiae Gray, 1843 – valid
  Sciurus variegatoides dorsalis Gray, 1849 – valid
  Sciurus variegatoides goldmani Nelson, 1898 – valid
  Sciurus variegatoides helveolus Goldman, 1912 – valid
  Sciurus variegatoides loweryi McPherson, 1972 – valid
  Sciurus variegatoides managuensis Nelson, 1898 – valid
  Sciurus variegatoides melania (Gray, 1867) – valid
  Sciurus variegatoides rigidus Peters, 1863 – valid
  Sciurus variegatoides thomasi Nelson, 1899 – valid
  Sciurus variegatoides underwoodi Goldman, 1932 – valid
  Sciurus variegatoides variegatoides Ogilby, 1839 – valid
  Sciurus vulgaris Linnaeus, 1758 – valid – Eurasian Red Squirrel
  Sciurus vulgaris alpinus Desmarest, 1822 – valid
  Sciurus vulgaris altaicus Serebrennikov, 1928 – valid
  Sciurus vulgaris anadyrensis Ognev, 1929 – valid
  Sciurus vulgaris arcticus Trouessart, 1906 – valid
  Sciurus vulgaris balcanicus Heinrich, 1936 – valid
  Sciurus vulgaris chiliensis Sowerby, 1921 – valid
  Sciurus vulgaris cinerea Hermann, 1804 – valid
  Sciurus vulgaris dulkeiti Ognev, 1929 – valid
  Sciurus vulgaris exalbidus Pallas, 1778 – valid
  Sciurus vulgaris fedjushini Ognev, 1935 – valid
  Sciurus vulgaris formosovi Ognev, 1935 – valid
  Sciurus vulgaris fuscoater Altum, 1876 – invalid
  Sciurus vulgaris fusconigricans Dwigubski, 1804 – valid
  Sciurus vulgaris leucourus Kerr, 1792 – valid
  Sciurus vulgaris lilaeus Miller, 1907 – valid
  Sciurus vulgaris mantchuricus Thomas, 1909 – valid
  Sciurus vulgaris martensi Matschie, 1901 – valid
  Sciurus vulgaris ognevi Migulin, 1928 – valid
  Sciurus vulgaris orientis Thomas, 1906 – valid
  Sciurus vulgaris rupestris Thomas, 1907 – valid
  Sciurus vulgaris ukrainicus Migulin, 1928 – valid
  Sciurus vulgaris varius Gmelin, 1789 – valid
  Sciurus vulgaris vulgaris Linnaeus, 1758 – valid
  Sciurus weberi Jentink, 1890 – invalid
  Sciurus yucatanensis J. A. Allen, 1877 – valid – Yucatan Squirrel
  Sciurus yucatanensis baliolus Nelson, 1901 – valid
  Sciurus yucatanensis phaeopus Goodwin, 1932 – valid
  Sciurus yucatanensis yucatanensis J. A. Allen, 1877 – valid
  Sciurus zeylanicus Ray, 1693 – invalid
  Sundasciurus Moore, 1958 – valid – Sunda Squirrels
  Sundasciurus (Aletesciurus) Moore, 1958 – valid
  Sundasciurus (Sundasciurus) Moore, 1958 – valid
  Sundasciurus altitudinis (Robinson and Kloss, 1916) – valid – Sumatran Mountain Squirrel
  Sundasciurus brookei (Thomas, 1892) – valid – Brooke's Squirrel
  Sundasciurus davensis (Sanborn, 1952) – valid – Davao Squirrel
  Sundasciurus fraterculus (Thomas, 1895) – valid – Fraternal Squirrel
  Sundasciurus hippurus (I. Geoffroy Saint-Hilaire, 1831) – valid – Horse-tailed Squirrel
  Sundasciurus hippurus borneensis (Gray, 1867) – valid
  Sundasciurus hippurus hippurellus (Lyon, 1907) – valid
  Sundasciurus hippurus hippurosus (Lyon, 1907) – valid
  Sundasciurus hippurus hippurus (I. Geoffroy Saint-Hilaire, 1831) – valid
  Sundasciurus hippurus inquinatus (Thomas, 1908) – valid
  Sundasciurus hippurus ornatus Dao and Cao, 1990 – valid
  Sundasciurus hippurus pryeri (Thomas, 1892) – valid
  Sundasciurus hoogstraali (Sanborn, 1952) – valid – Busuanga Squirrel
  Sundasciurus jentinki (Thomas, 1887) – valid – Jentink's Squirrel, Jentinck's Squirrel
  Sundasciurus juvencus (Thomas, 1908) – valid – Northern Palawan Tree Squirrel
  Sundasciurus lowii (Thomas, 1892) – valid – Low's Squirrel
  Sundasciurus lowii balae (Miller, 1903) – valid
  Sundasciurus lowii bangueyae (Thomas, 1910) – valid
  Sundasciurus lowii humilis (Miller, 1913) – valid
  Sundasciurus lowii lowii (Thomas, 1892) – valid
  Sundasciurus lowii natunensis (Thomas, 1895) – valid
  Sundasciurus lowii robinsoni (Bonhote, 1903) – valid
  Sundasciurus lowii seimundi (Thomas and Wroughton, 1909) – valid
  Sundasciurus mindanensis (Steere, 1890) – valid – Mindanao Squirrel
  Sundasciurus moellendorffi (Matschie, 1898) – valid – Culion Tree Squirrel
  Sundasciurus philippinensis (Waterhouse, 1839) – valid – Philippine Tree Squirrel
  Sundasciurus rabori Heaney, 1979 – valid – Palawan Montane Squirrel
  Sundasciurus samarensis (Steere, 1890) – valid – Samar Squirrel
  Sundasciurus steerii (Günther, 1877) – valid – Southern Palawan Tree Squirrel
  Sundasciurus tahan (Bonhote, 1908) – valid – Upland Squirrel
  Sundasciurus tenuis (Horsfield, 1824) – valid – Slender Squirrel
  Sundasciurus tenuis bancarus (Miller, 1903) – valid
  Sundasciurus tenuis modestus (Müller, 1840) – valid
  Sundasciurus tenuis parvus (Miller, 1901) – valid
  Sundasciurus tenuis procerus (Miller, 1901) – valid
  Sundasciurus tenuis tenuis (Horsfield, 1824) – valid
  Syntheosciurus Bangs, 1902 – valid
  Syntheosciurus brochus Bangs, 1902 – valid – Bangs's Mountain Squirrel
  Tamiasciurus Trouessart, 1880 – valid – chickarees, Red Squirrels
  Tamiasciurus douglasii (Bachman, 1839) – valid – Douglas's Squirrel
  Tamiasciurus douglasii douglasii (Bachman, 1839) – valid
  Tamiasciurus douglasii mollipilosus (Audubon and Bachman, 1841) – valid
  Tamiasciurus hudsonicus (Erxleben, 1777) – valid – écureuil roux, Red Squirrel
  Tamiasciurus hudsonicus abieticola (A. H. Howell, 1929) – valid
  Tamiasciurus hudsonicus baileyi (J. A. Allen, 1898) – valid
  Tamiasciurus hudsonicus columbiensis A. H. Howell, 1936 – valid
  Tamiasciurus hudsonicus dakotensis (J. A. Allen, 1894) – valid
  Tamiasciurus hudsonicus dixiensis Hardy, 1942 – valid
  Tamiasciurus hudsonicus fremonti (Audubon and Bachman, 1853) – valid
  Tamiasciurus hudsonicus grahamensis (J. A. Allen, 1894) – valid – Mount Graham red squirrel
  Tamiasciurus hudsonicus gymnicus (Bangs, 1899) – valid
  Tamiasciurus hudsonicus hudsonicus (Erxleben, 1777) – valid
  Tamiasciurus hudsonicus kenaiensis A. H. Howell, 1936 – valid
  Tamiasciurus hudsonicus lanuginosus (Bachman, 1839) – valid
  Tamiasciurus hudsonicus laurentianus Anderson, 1942 – valid
  Tamiasciurus hudsonicus loquax (Bangs, 1896) – valid
  Tamiasciurus hudsonicus lychnuchus (Stone and Rehn, 1903) – valid
  Tamiasciurus hudsonicus minnesota (J. A. Allen, 1899) – valid
  Tamiasciurus hudsonicus mogollonensis (Mearns, 1890) – valid
  Tamiasciurus hudsonicus pallescens A. H. Howell, 1942 – valid
  Tamiasciurus hudsonicus petulans (Osgood, 1900) – valid
  Tamiasciurus hudsonicus picatus (Swarth, 1921) – valid
  Tamiasciurus hudsonicus preblei A. H. Howell, 1936 – valid
  Tamiasciurus hudsonicus regalis A. H. Howell, 1936 – valid
  Tamiasciurus hudsonicus richardsoni (Bachman, 1839) – valid
  Tamiasciurus hudsonicus streatori (J. A. Allen, 1898) – valid
  Tamiasciurus hudsonicus ungavensis Anderson, 1942 – valid
  Tamiasciurus hudsonicus ventorum (J. A. Allen, 1898) – valid
  Tamiasciurus mearnsi (Townsend, 1897) – valid – Mearns's Squirrel
  Xerus (Geosciurus) Smith, 1834 – valid
 
 Kingdom Plantae
  Cereus sciurus K. Brandegee – not accepted
  Dicksonia sciurus C. Chr. – accepted
  Echinocereus sciurus (K. Brandegee) Dams – accepted
  Echinocereus sciurus ssp. floresii (Backeb.) N.P. Taylor – accepted
  Echinocereus sciurus ssp. sciurus (K. Brandegee) Dams – accepted
   

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