Ardilla voladora de Siberut

Petinomys is a genus of flying squirrels. They are known commonly as the dwarf flying squirrels.
There are approximately 8 species. They are native to Asia.
Species include:

Basilan flying squirrel (Petinomys crinitus)
Travancore flying squirrel (Petinomys fuscocapillus)
Whiskered flying squirrel (Petinomys genibarbis)
Hagen's flying squirrel (Petinomys hageni)
Siberut flying squirrel (Petinomys lugens)
Mindanao flying squirrel (Petinomys mindanensis)
Temminck's flying squirrel (Petinomys setosus)
Vordermann's flying squirrel (Petinomys vordermanni)