Shells of Songkhlanaia species A, B topotype of S. tamodienica from Tamot Stream, Songkhla Lake Basin, Thailand A adult specimen MUMNH-UNI2956 and B young specimen MUMNH-UNI2971 C–F S. moreleti C syntype MNHN-IM-2000–34623 from Mekong Basin, Cambodia, with original labels D syntype of Pseudodon thomsoni Morlet, 1884, MNHN-IM-2000-1800 from Mekong Basin, Cambodia, with original labels E adult specimen MUMNH-UNI0301, and F young specimen MUMNH-UNI3428 from Phrom Hot Stream, Tonle Sap Basin, Thailand. Photographs C, D M. Caballer (2019, MNHN Project: RECOLNAT No. ANR-11-INBS-0004).

 
 
  Part of: Jeratthitikul E, Sutcharit C, Prasankok P (2025) An integrative approach to a revision of the freshwater mussel genus Songkhlanaia (Bivalvia, Unionidae), with the description of a new species. ZooKeys 1224: 187-209. https://doi.org/10.3897/zookeys.1224.140549