Ictidomys is a North American genus of rodent in the squirrel family, which contains the thirteen-lined ground squirrel, the Mexican ground squirrel, and the Rio Grande ground squirrel. These species were included in the species-rich ground squirrel genus Spermophilus until molecular data showed that this genus was not a natural, monophyletic grouping. Species Image Name DistributionIctidomys mexicanus Central Mexico.Ictidomys parvidens United States (Texas and New Mexico) and in north-eastern Mexico. Ictidomys tridecemlineatus North America
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