sciurus's Usage Examples:

These are small rodents with somewhat the appearance of the pigmy squirrels (Nannosciurus), which in some degree connect the family with the Muridae.

The third, Funisciurus, of which F.

The Nannosciurinae, or second sub-family of Sciuridae, are represented only by the pigmy squirrels (Nannosciurus), characterized by their very short-crowned molars (which approximate to those of dormice in structure) and small premolars, of which the first upper pair is often deciduous, while the upper molars have only three oblique ridges.

A more advanced phase is represented in the European Lower Oligocene by the Pseudosciuridae, with the genera Pseudosciurus, Sciuroides, Trechomys, Theridomys, 'c.