Hinzmann, M., M. Lopes-Lima, A. Teixeira, S. Varandas, R. Sousa et al. 2013. Reproductive cycle and strategy of Anodonta anatina (L., 1758): notes on hermaphroditism. Journal of Experimental Zoology 319A: 378-390. Available electronically.
(click the figure number to see the cladogram)
+----- Pseudanodonta_complanata
--+
| +-- Anodonta_anatina
+--+
+-- Anodonta_cygnea