Variation in head scalation and coloration in male paratypes of Trimeresurus ciliaris sp. nov.: A ZMMU Re-17661; B ZMMU Re-17662; C AUP-02011; and D ZMMU Re-17663. See Table 4 for details. Photographs by P. Pawangkhanant.

 
 
  Part of: Idiiatullina SS, Pawangkhanant P, Tawan T, Worranuch T, Dechochai B, Suwannapoom C, Nguyen TV, Chanhome L, Poyarkov NA (2023) Limestone jewel: A new colourful karst-dwelling pitviper (Serpentes: Viperidae: Trimeresurus) from the poorly explored borderlands of southern peninsular Thailand. Vertebrate Zoology 73: 697-716. https://doi.org/10.3897/vz.73.e109854