Potoroidae is a family of marsupials, small Australian animals known as bettongs, potoroos, and rat-kangaroos.

All are rabbit-sized, brown, jumping marsupials and resemble a large rodent or a very small wallaby.

In particular, the teeth show a simpler pattern than in the kangaroo family, with longer upper incisors, larger canines, and four cusps on the molars.

This limits its habitat range as it needs to live in a moist environment, with dense cover to reduce predation from introduced species such as foxes and feral cats.

Bettongs were endangered because settlers took much of their habitat, and the red foxes they introduced to the continent also killed many of them.