Holotype of Calamaria arcana sp. nov. (KFBG 14611) in life: A dorsolateral view B ventral view C lateral view of left side of head. Photographs by Michael W.N. Lau.

 
 
  Part of: Yeung HY, Lau MWN, Yang J-H (2022) A new species of Calamaria (Squamata: Colubridae) from Guangdong Province, southern China. Vertebrate Zoology 72: 433-444. https://doi.org/10.3897/vz.72.e84516