Habitat photographs (a) of the karst wall above an entrance to Tham Khao Ting Cave, Trang Province, Thailand that the uncollected specimen of Oligodon speleoserpens sp. nov. was found ~12–15 m high; (b) flooded exit of the Tham Khao Ting cave; and (c) flooded habitat 50 m past the entrance of Tham Le Stegodon cave, Satun Province, Thailand. Photographs by Harry Ward–Smith.

 
 
  Part of: Pawangkhanant P, Poyarkov NA, Ward-Smith H, Grassby-Lewis R, Sumontha M, Kliukin NS, Idiiatullina SS, Trofimets AV, Suwannapoom C, Lee JL (2024) A new species of karst-associated kukri snake (Reptilia: Squamata: Colubridae: Oligodon Fitzinger, 1826) from southern Thailand. Vertebrate Zoology 74: 359-379. https://doi.org/10.3897/vz.74.e112132