Brian J. Stafford, “Order Dermoptera,” In: Don E. Wilson & DeeAnn M. Reeder (eds.), Mammal Species of the World (3rd ed.), Volume 1, Johns Hopkins University Press, 2005, Page 110.
Brian J. Stafford & Frederick S. Szalay, “Craniodental Functional Morphology and Taxonomy of Dermopterans,” Journal of Mammalogy, Volume 81, Issue 2, 2000, Pages 360–385, doi:10.1644/1545-1542(2000)081<0360:CFMATO>2.0.CO;2.