Two new genera and three new species of exceptionally rare and endemic freshwater mussels (Bivalvia, Unionidae) from the Mekong Basin


	Shells of Lannanaia kokensis sp. nov., showing the inner side of the right valve, the outer side of the left valve, and the dorsal view of both valves. A. Holotype MUMNH-UNI0825; B. Paratype MUMNH-UNI0824. Scale bars: 10 mm.

Part of: Jeratthitikul E, Sutcharit C, Prasankok P (2024) Two new genera and three new species of exceptionally rare and endemic freshwater mussels (Bivalvia, Unionidae) from the Mekong Basin. Zoosystematics and Evolution 100(4): 1333-1345. https://doi.org/10.3897/zse.100.130929