What is the name of the furry, parachute-like membrane allowing flying squirrels to glide?

Answer

Patagium

The remarkable ability to glide is made possible by a furry, parachute-like membrane of skin specifically called the patagium.

What is the name of the furry, parachute-like membrane allowing flying squirrels to glide?
animalmammalclassificationrodentsquirrel