Map of the collecting localities of the new species described in this paper from northeast Thailand. Filled circle: Metaphire songkhramensis sp. nov. from Kong Ngong, Akat Amnuai, Sakon Nakhon, Thailand. Filled triangular: Amynthas sakonnakhonensis sp. nov. from Nong Tuet, Samakkee Pattana, Akat Amnuai, Sakon Nakhon, Thailand. Filled square: Amynthas auriculus sp. nov. from Wut Tham Kham, Phannanikom, Sakon Nakhon. Filled star: Amynthas bantanensis sp. nov. from Ban Tan, Nawah, Nakorn Phanom, Thailand.

 
 
  Part of: Chanabun R, Aoonkum A, Seesamut T, Bantaowong U, Panha S (2023) Four new terrestrial earthworm species from the northeast Thailand (Oligochaeta, Megascolecidae). ZooKeys 1176: 195-219. https://doi.org/10.3897/zookeys.1176.106517