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 Klishko et al. (2017): cladograms publication summary | cladograms Complete CitationKlishko, O., M. Lopes-Lima, E. Froufe, A.E. Bogan, L. Vasiliev & L. Yanovich. 2017. Taxonomic reassessment of the freshwater mussel genus Unio (Bivalvia: Unionidae) in Russia and Ukraine based on morphological and molecular data. Zootaxa 4286(1): 93-112. Available electronically.
Cladogram Figures(click the figure number to see the cladogram) Cladogram Figure 8
+-- Nodularia_douglasiae
+--------+
| +-- Nodularia_breviconcha
--+
| +-------- Unio_tumidus
+--+
| +----- Unio_pictorum
+--+
| +-- Unio_nanus
+--+
+-- Unio_crassus
|