Tomilova, A.A., A.A. Lyubas, A.V. Kondakov, I.V. Vikhrev, M.Y. Gofarov et al. 2020. Evidence for Plio-Pleistocene duck mussel refugia in the Azov Sea river basins. Diversity 12(3), 118: 1-14. Available electronically.
(click the figure number to see the cladogram)
+-- Unio_tumidus
+--------+
| +-- Unio_pictorum
|
| +-- Sinanodonta_lauta
--+--------+
| +-- Sinanodonta_woodiana
|
| +-------- Anodonta_anatina
+--+
| +----- Pseudanodonta_complanata
+--+
| +-- Anodonta_cygnea
+--+
+-- Anodonta_exulcerata