Order Rodentia - Family Sciuridae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 754 818 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Spermophilus (Spermophilus) richardsonii (Sabine 1822) [Arctomys] richardsonii Sabine 1822 , Trans. Linn. Soc. Lond., 13: 589 . Type Locality: "Carleton-House," [ Saskatchewan , Canada ]. Vernacular Names: Richardson's Ground Squirrel . Distribution: N Great Plains in S Alberta , S Saskatchewan , S Manitoba ( Canada ), Montana (see Swenson, 1981 ), North Dakota , NE South Dakota , W Minnesota , and NW Iowa ( USA ). Conservation: IUCN – Lower Risk (lc). Discussion: Subgenus Spermophilus ( Hall, 1981:385 ) . Formerly included elegans ; see comment under that species. Reviewed by Michener and Koeppl (1985 , Mammalian Species No. 243).