The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
Publication Dyduch-Falniowska & Koziol (1989): cladograms publication summary | cladograms Complete CitationDyduch-Falniowska, A. & R. Koziol. 1989. Anatomical and conchological characters in the systematics of the Uionidae of Poland. Malakologische Abhandlungen, Staatliches Museum für Tierkunde Dresden 14(5): 35-52.
Cladogram Figures(click the figure number to see the cladogram) Cladogram Figure 5_7
+-- Pseudanodonta_complanata
+-----+
| +-- Anodonta_anatina
--+
| +----- Unio_pictorum
+--+
| +-- Unio_tumidus
+--+
+-- Unio_crassus
|