Fig 1. Phylogenetic relationship of Proahaetulla antiqua gen. et sp. nov.
(A) Chronogram shows phylogenetic relationship and time of divergence of Proahaetulla antiqua gen. et sp. nov. within family Ahaetuliinae. Asterisk (*) indicates lower posterior probability support on the node from Bayesian inference. Bar on each node indicates 95% HPD. (B) Head profile of Ahaetulla, (C) Proahaetulla gen. nov., (D) Dryophiops, (E) Dendrelaphis and (E) Chrysopelea.