According to its classification within Order Anura, what characteristic defines this group of amphibians?

Answer

Lacking tails in their adult form and possessing powerful hind limbs for jumping

The Order Anura groups all frogs and toads characterized by lacking tails as adults and having powerful hind limbs adapted for saltatorial (jumping) locomotion.

According to its classification within Order Anura, what characteristic defines this group of amphibians?
taxonomyanimalclassificationfrogTree Frog