Comparison of the tail shape and coloration among Calamaria arcana sp. nov., C. andersoni, C. septentrionalis and C. pavimentata. A–C dorsal, lateral and ventral views of the tail of C. pavimentata (KFBG 14507). D–F dorsal, lateral and ventral views of the tail of C. septentrionalis (KFBG 14506). G–I dorsal, lateral and ventral views of the tail of holotype of C. arcana sp. nov. (KFBG 14611). J–L dorsal, lateral and ventral views of the tail of C. andersoni (SYS r001699).

 
 
  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