Walkerana

Dinesh, K. P., Vijayakumar, S. P., Ramesh, Vijay, Jayarajan, Aditi, Chandramouli, S. R. & Shanker, Kartik, 2020, A deeply divergent lineage of Walkerana (Anura: Ranixalidae) from the Western Ghats of Peninsular India, Zootaxa 4729 (2), pp. 266-276 : 272-273

Key to the species of Walkerana in the Western Ghats

(modified after Dahanukar et al. 2016)

1. canthus rostralis indistinct; skin glandular, warty........................................ W. phrynoderma ( Fig. 5B ) - canthus rostralis distinct, angular; skin smooth.............................................................. 2

2. distinct black band from the tip of snout to end of supratympanic fold through the entire canthus rostralis and black spot on the region of loin (with lumbar spots)...................................................... W. diplosticta ( Fig. 5D )

- absence of black spot on the loin and the black band on the face not covering the entire region of canthus rostralis........ 3

3. head longer than wide; snout longer than eye diameter; tympanum three-fourth of the diameter of eye; a brown streak from tip of snout to anterior corner of eye...................................................... W. leptodactyla ( Fig. 5C )

- head length equal to head width; snout equal to eye diameter; tympanum relatively smaller than the diameter of eye; a brown streak from tip of snout to end of supratympanic fold.................................. W. muduga sp. nov. ( Fig. 5A )

Figures

FIGURE 5. Extant congeners of Walkerana in life (A) Walkerana muduga sp. nov.; B) W. phrynoderma; C) W. leptodactyla; D) W. diplosticta.