Jeratthitikul, E., N. Phuhong, C. Sucharit & P. Prasankok. 2025. Integrative taxonomy reveals a new species of freshwater mussel, Pseudodon septuaginta sp. nov. (Unionidae: Pseudodontini), from the Mekong River nasin in northeastern Thailand. Tropical Natural History 8 (Supplement): 160-181. Available electronically.
(click the figure number to see the cladogram)
+-- Pilsbryoconcha_exilis
+-----------------+
| +-- Pilsbryoconcha_mekongiana
|
| +-- Namkongnaia_inkhavilayi
| +-----+
| | +-- Namkongnaia_lemeslei
--+ |
| +--------+ +-- Isannaia_fortunata
| | | +--+
| | | | +-- Isannaia_occultata
| | +--+
| | | +-- Sundadontina_cumingii
+--+ +--+
| +-- Sundadontina_tumida
|
| +-------------- Pseudodon_walpolei
| |
| | +-- Pseudodon_inoscularis
+--+ +--------+
| | +-- Pseudodon_lenyanensis
| |
+--+ +-- Pseudodon_mekongi
| +-----+
| | +-- Pseudodon_vondembuschianus
+--+
| +----- Pseudodon_cambodjensis
+--+
| +-- Pseudodon_vagulus
+--+
+-- Pseudodon_septuaginta