Systematics and phylogeny of Philautus Gistel, 1848 (Anura, Rhacophoridae) in the Western Ghats of India, with descriptions of 12 new species Author Biju, S. D. Author Bossuyt, Franky text Zoological Journal of the Linnean Society 2009 2009-02-28 155 2 374 444 https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2008.00466.x journal article 10.1111/j.1096-3642.2008.00466.x 0024-4082 5445358 PHILAUTUS KAIKATTI SP. NOV. ( FIGS 2 , 38C , 41A–D , 42 ; TABLE 2 ) Type material: Holotype , BNHS 4557 , an adult male ( SVL 24.2 mm ), collected by SDB on 20 September 1998 from Kaikatti-Nelliyampathi , Palakkad , Kerala , India ; paratypes , BNHS 4465–4466 , and BNHS 4417 , three adult males collected along with the holotype . Other material studied: SDB 541 , an adult male, collected along with the holotype ( Table 2 ) . Diagnosis: Philautus kaikatti sp. nov. can be distinguished from known congeners by the following combination of characters: (1) medium male adult size (SVL 24.9 ± 1.4 mm , N = 5); (2) snout oval in dorsal view; (3) canthus rostralis rounded; (4) tympanum rather indistinct; (5) lateral side prominently granular with light and grey spots; (6) posterior part of thighs prominently granular; (7) posterior part of thighs and groin brown. For comparison with the closely related species P. anili and P. sushili sp. nov. , see the ‘Diagnosis’ of P. anili . Description of the holotype (all measurements in mm): Medium-sized frog (SVL 24.2) with a rather robust body ( Fig. 41A ); head length (HL 9.5) equal to width (HW 9.5; MN 7.7; MFE 5.7; MBE 2.7); outline of snout oval in dorsal view ( Fig. 41A ), snout length (SL 3.6)