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!
Search the database pages:
Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium rhomboideum nominal species Cyclas elegans Adams, 1840 Adams, 1840. Proc. Boston Soc. Nat. Hist. 3(3): pl. 3, fig. 11. = Sphaerium rhomboideum Taxonomic Opinions+ Sphaerium (s.s.) rhomboideum (Say, 1822) — Burch, 1975 + Sphærium rhomboideum Say — Prime, 1895 + Sphærium rhomboideum Say — Prime, 1870 + Sphærium rhomboideum Say — Prime, 1865 = Sphærium elegans Adams — Deshayes, 1854 + Cyclas rhomboidea Say — Prime, 1853 = Cyclas elegans Adams — Hanley, 1843
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