Petauridae is a family of possums containing 11 species: four species of trioks and striped possum (genus Dactylopsila), eight species of wrist-winged glider (genus Petaurus), and Leadbeater's possum (Gymnobelideus leadbeateri), which has only vestigial gliding membranes.

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Read about Petauridae (gliders, Leadbeater's possum, and striped possums) on the Animal Diversity Web.

There are eight species: the sugar glider, savanna glider, Krefft's glider, squirrel glider, mahogany glider, northern glider, yellow-bellied glider and Biak glider. [1]

Petauridae are between 12.5 and 30.7 in (320 and 780 mm) long, weigh 3.3–25.3 oz (95–720 g), and are gray, brown, or cream-colored. They possess distinct frontal and sternal glands, particularly the males.

Family Petauridae (gliders and striped possums)10 or so species in 3 genera. Terrestrial and arboreal. 1st and 2nd digits of the forelimbs are opposable to the other digits. Molars adapted for chewing leaves.

Gliding and striped possums are arboreal, which means that they live in trees. They are also nocturnal, meaning they are active at night and sleep during the day, often in hollow trees. Members of this family are medium-sized. They measure between 12 and 31 inches (32 to 78 centimeters) long and weigh between 3 and 25 ounces (95 to 720 grams).

All are small mammals, ranging from 100 to 2000 g and show arboreal adaptations, including feet adapted for grasping and (semi-) prehensile tails (McKay, 1989). Two genera, Petaurus and Petauroides, possess a patagium and are capable of gliding. Most are folivores or nectar feeders.

Petauridae - gliders, striped possums, trioks. There are 11 species of small marsupials in this family. They are found in the forests of Australia and New Guinea. They have long, furry prehensile tails.

The family Petauridae includes 11 medium-sized possum species: four striped possums, six species of wrist-winged gliders in the genus Petaurus and Leadbeater's possum, which has only vestigial gliding membranes.