Cerberus

Weinell, Jeffrey L., Hooper, Errol, Leviton, Alan E. & Brown, Rafe M., 2019, Illustrated Key to the Snakes of the Philippines, Proceedings of the California Academy of Sciences 66 (1), pp. 1-49 : 21

Cerberus

Key to Philippine species.

1a. Dorsal body scales in 27–31 longitudinal rows at midbody; supralabial scales and other scales of head have a strongly papillate texture........................... Cerberus microlepis

1b. Dorsal body scales in <28 longitudinal rows at midbody; supralabial scales and other scales on head smooth................................................. Cerberus schneideri