Systematics of the caecilian family Chikilidae (Amphibia: Gymnophiona) with the description of three new species of Chikila from northeast India
Kamei, Rachunliu G.
Gower, David J.
Wilkinson, Mark
Biju, S. D.
Zootaxa
2013
3666
4
401
435
3MXH
[412,502,980,1006]
Amphibia
Chikilidae
Chikila
GBIF
Animalia
Gymnophiona
28
429
Chordata
genus
1. Eye visible; head pointed; fewer VPs than PMs; maximum adult size generally less than 200 mm; northeast Indianorth of Brahmaputra river......................................................................... Chikila darlong - Eye generally not clearly visible; head more broadly rounded anteriorly or moderately pointed; similar numbers of VPs and PMs or fewer PMs; maximum adult size generally greater than 200 mm; south of Brahmaputra river....................2 2. Chin, throat and underside of anteriormost primary annuli with pale blotches; pale eye-tentacle patch extensive, generally encircling and extending posterior to position of eye; disc surrounding vent partly pigmented; no unpigmented patch immediately anterior of disc surrounding vent; annular grooves very strongly marked............................ Chikila fulleri - Chin, throat and underside of anteriormost primary annuli without pale blotches; pale eye-tentacle patch restricted, generally not extending back to or beyond position of eye; disc surrounding vent unpigmented; unpigmented patch immediately anterior of disc surrounding vent; annular grooves weakly or moderately marked.......................................... 3 3. Strongly bicoloured; relatively large, narrowly separated choanae (interchoanal gap <1.25 x width of each choana)............................................................................................... Chikila gaiduwani - Weakly bicoloured, almost unicoloured; narrow, widely separated choanae (interchoanal gap> 2.25 x width of each choana).......................................................................................... Chikila alcocki