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Spermophilus is a genus of ground squirrels in the squirrel family. [1] As traditionally defined the genus was very species-rich, ranging through Europe, Asia and North America, but this arrangement was found to be paraphyletic to the certainly distinct prairie dogs , marmots , and antelope squirrels .
This species has usually been placed in the genus Spermophilus with about 40 other species. As this large genus is paraphyletic to prairie dogs, marmots, and antelope squirrels, Kristofer Helgen and colleagues have split it into eight genera, placing the thirteen-lined ground squirrel in Ictidomys with two other species. [3]
Pygmy ground squirrels are small ground squirrels in the genus Xerospermophilus, family Sciuridae, containing four species from Mexico and the United States. The members of this genus were formerly placed in the large ground squirrel genus Spermophilus .
The European ground squirrel (Spermophilus citellus), also known as the European souslik, is a species from the squirrel family, Sciuridae. [2] It is among the few European species in the genus Spermophilus. Like all squirrels, it is a member of the rodent order.
The red-cheeked ground squirrel (Spermophilus erythrogenys) is a species of rodent in the family Sciuridae.It is commonly referred to as the red-cheeked ground souslik and there are several recognized subspecies. [2]
The California ground squirrel (Otospermophilus beecheyi), also known as the Beechey ground squirrel, [4] is a common and easily observed ground squirrel of the western United States and the Baja California Peninsula; it is common in Oregon and California and its range has relatively recently extended into Washington and northwestern Nevada.
Otospermophilus is a genus of ground squirrels in the family Sciuridae, containing three species from Mexico and the United States. Otospermophilus was formerly placed in the large ground squirrel genus Spermophilus, as a subgenus or species group.
The Caucasian Mountain ground squirrel (Spermophilus musicus) is a species of rodent in the family Sciuridae. Its taxonomic status has been the subject of much debate, and it has at times been treated as a subspecies of the little ground squirrel .
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