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Expert: Richard W. Thorington, Jr.

ITIS records citing expert
 
 Kingdom Animalia
  Cynomys leucurus Merriam, 1890 -- valid -- White-tailed Prairie Dog
  Cynomys mexicanus Merriam, 1892 -- valid -- Mexican Prairie Dog, Mexican prairie marmot
  Dremomys lokriah nielamuensis Li and Wang, 1992 -- valid
  Funambulus layardi dravidianus Robinson, 1917 -- invalid
  Funambulus layardi layardi (Blyth, 1849) -- invalid
  Heliosciurus rufobrachium brauni St. Leger, 1935 -- valid
  Hylopetes spadiceus (Blyth, 1847) -- valid -- Red-cheeked Flying Squirrel
  Hylopetes spadiceus caroli Gyldenstolpe, 1920 -- invalid
  Ictidomys parvidens (Mearns, 1896) -- valid -- Rio Grande Ground Squirrel
  Iomys sipora Chasen and Kloss, 1928 -- valid -- Mentawai Flying Squirrel, Mentawi Flying Squirrel
  Marmota broweri Hall and Gilmore, 1934 -- valid -- Alaska Marmot
  Marmota kastschenkoi Stroganov and Yudin, 1956 -- valid -- Forest Steppe Marmot
  Marmota monax petrensis A. H. Howell, 1915 -- valid
  Marmota monax pretensis A. H. Howell, 1915 -- invalid
  Paraxerus palliatus bridgemani Dollman, 1914 -- valid
  Prosciurillus leucomus (Müller and Schlegel, 1844) -- valid -- Whitish Dwarf Squirrel
  Prosciurillus leucomus hirsutus (Hayman, 1945) -- invalid
  Prosciurillus leucomus tonkeanus (Meyer, 1896) -- invalid
  Prosciurillus murinus (Müller and Schlegel, 1844) -- valid -- Celebes Dwarf Squirrel
  Rheithrosciurus macrotis (Gray, 1857) -- valid -- Tufted Ground Squirrel
  Rhinosciurus laticaudatus alacris (Thomas, 1908) -- valid
  Sciurus carolinensis Gmelin, 1788 -- valid -- Eastern Gray Squirrel, écureuil gris, gray squirrel
  Sciurus colliaei Richardson, 1839 -- valid -- Collie's Squirrel
  Sciurus flammifer Thomas, 1904 -- valid -- Fiery Squirrel
  Sciurus gilvigularis Wagner, 1842 -- valid -- Yellow-throated Squirrel
  Sciurus granatensis Humboldt, 1811 -- valid -- Red-tailed Squirrel
  Sciurus griseus Ord, 1818 -- valid -- Ardilla gris, Western Gray Squirrel
  Sciurus igniventris Wagner, 1842 -- valid -- Northern Amazon Red Squirrel
  Sciurus lis Temminck, 1844 -- valid -- Japanese Squirrel
  Sciurus nayaritensis J. A. Allen, 1890 -- valid -- Ardilla de Nayarit, Mexican Fox Squirrel, Nayarit squirrel
  Sciurus niger Linnaeus, 1758 -- valid -- Ardilla zorra, Eastern Fox Squirrel, fox squirrel
  Sciurus oculatus Peters, 1863 -- valid -- Peters's Squirrel
  Sciurus pyrrhinus Thomas, 1898 -- valid -- Junin Red Squirrel, Junín Red Squirrel
  Sciurus richmondi Nelson, 1898 -- valid -- Richmond's Squirrel
  Sciurus sanborni Osgood, 1944 -- valid -- Sanborn's Squirrel
  Sciurus spadiceus Olfers, 1818 -- valid -- Southern Amazon Red Squirrel
  Sciurus stramineus Eydoux and Souleyet, 1841 -- valid -- Guayaquil Squirrel
  Sciurus vulgaris Linnaeus, 1758 -- valid -- Eurasian Red Squirrel
  Sciurus vulgaris cinerea Hermann, 1804 -- valid
  Sciurus vulgaris fuscoater Altum, 1876 -- invalid
  Sciurus yucatanensis J. A. Allen, 1877 -- valid -- Yucatan Squirrel
  Spermophilus mollis yakimensis Merriam, 1898 -- invalid
  Spermophilus parryii kodiacensis J. A. Allen, 1874 -- invalid
  Spermophilus pygmaeus brauneri (Martino, V. and E., 1917) -- valid
  Spermophilus pygmaeus herbicolus (Martino, V. and E., 1916) -- valid
  Syntheosciurus brochus Bangs, 1902 -- valid -- Bangs's Mountain Squirrel
  Tamias cinereicollis J. A. Allen, 1890 -- valid -- Gray-collared Chipmunk
  Tamias dorsalis Baird, 1855 -- valid -- Cliff Chipmunk
  Tamias minimus arizonensis (A. H. Howell, 1922) -- valid
  Tamias umbrinus J. A. Allen, 1890 -- valid -- Uinta Chipmunk
  Urocitellus townsendii townsendii (Bachman, 1839) -- valid
   

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