The Basilan flying squirrel (Philippines flying squirrel or Mindanao flying squirrel) (Petinomys crinitus) is a species of rodent in the family Sciuridae. It is endemic to the Philippines. It is often confused with the mindanao flying squirrel (Petinomys mindanensis).

References

• Thorington, R. W. Jr. and R. S. Hoffman. 2005. Family Sciuridae. pp.754–818 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.