TYPE SPECIES. — Rana (Paa) hazarensis Dubois & Khan, 1980: 403.

DIAGNOSIS. — Genus distinguished from all other genera of Paini by the following combination of characters: 1) first finger slightly longer than second; 2) extremities of fingers and toes blunt; 3) hind legs short, tibia slightly shorter than half of snout-vent length, without significant sex dimorphism in length; 4) a feeble tarsal fold present; 5) webbing complete; 6) flap of skin along external side of toe V extending proximally beyond first subarticular tubercle of toe but not reaching basis of metatarsus; 7) middorsal chevron present in some specimens; 8) breeding males with slightly enlarged forearm, with black nuptial spines scattered on dorsal part of metacarpal tubercle and finger I alone, with internal vocal sacs; 9) intersexuality not known to exist; and 10) tadpoles with a keratodont formula of 6-8/3.

INCLUDED SPECIES. — Allopaa hazarensis (Dubois & Khan, 1980) n. comb. Synonym: Rana (Paa) barmoachensis Khan & Tasnim, 1989.

DISTRIBUTION. — Northern Pakistan.

ETYMOLOGY OF GENERIC NAME. — From the Greek allos, “other, different”, and from the generic name Paa Dubois, 1975 (from the Tamang name paa, “frog”). This name refers to the unusual combination of characters of this taxon as compared to the other genera of Paini.