Madagascarophis, Information, Information

Sara Ruane, Frank T. Burbrink, Bernard Randriamahatantsoa & Christopher J. Raxworthy, 2016, The Cat-eyed Snakes of Madagascar: Phylogeny and Description of a New Species of Madagascarophis (Serpentes: Lamprophiidae) from the Tsingy of Ankarana, Copeia 104 (3), pp. 712-721 : 719

KEY TO THE SPECIES OF MADAGASCAROPHIS

Information is based on samples in Appendix 1 and Glaw et al. (2013).

1a. Dorsal pattern consists of distinct brown/black ocel- lae, eye color red _ _ _ _ _ _ _ _ _ _ Madagascarophis ocellatus

1b. Dorsal pattern consists of anything other than brown/black ocellae, eye color not red _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 2

2a. Extended contact of the posterior inframaxillary (genial) scales, 25 dorsal scale rows _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 3

2b. Posterior inframaxillary scales not in contact, 25 or more dorsal scale rows _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4

3a. Ventral scales ~ 171–174, infralabials 12 or 13, body color variable _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Madagascarophis fuchsi

3b. Ventral scales ~ 189, infralabials 10, gray body color with a thin black dorsal stripe _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Madagascarophis lolo , new species

4a. Dorsal scale rows usually ± 29, ventral scale count 187–232 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Madagascarophis meridionalis

4b. Dorsal scale rows Ś 29, ventral scale count 180– 209 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Madagascarophis colubrinus