Smoky Flying Squirrel Small 256×320 Medium 512×640 Large 819×1024 Download Tiff Original 1920×2400 | (2.3 MB) Description The Smoky Flying Squirrel (Pteromyscus pulverulentus) is a species of rodent in the Squirrel (Sciuridae) family. Keywords flying-squirrel, mammal, Pteromyscus pulverulentus, rodent, sciuridae, Sciuropterus pulverulentus, smoky flying squirrel Galleries Mammals: S Source: William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)