| 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! The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=nomsp&id=5277 Search the database pages:
 
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  | Unionoida | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia multisulcata nominal species Unio ambigua Blainville, 1825
     Blainville, 1825, Manuel Malacol. et Conch.: 539, pl. 67, fig. 4.
 (misidentified reference to Castalia ambigua Lamarck, 1819)
 = Castalia multisulcata Taxonomic Opinions
	+ Tetraplodon multisulcatus (Húpe, 1857) — Simpson, 1914+ Margaron (Prisodon) truncatus (Schum.) — Lea, 1870
 + Margaron (Prisodon) truncatus (Schum.) — Lea, 1852
 + Margarita (Unio) ambiguus Lea — Lea, 1838
 + Margarita (Unio) ambiguus (Lamarck, 1819) — Lea, 1836
 
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