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"A sub-genus of squirrels. They have a more lengthy cranium, with cheek-pounches, and are at least partially carth-burrowers and dwellers in the ground, besides certain peculiarities in their dentition and in the formation of the ears and tail, they may fairly be regarded as a constituting a genus by themselves." — S. G. Goodrich, 1885

Palm Squirrels

"A sub-genus of squirrels. They have a more lengthy cranium, with cheek-pounches, and are at least partially…