| Page last updatedWed 1 October 2025
 | 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: 
 Publication Say (1829): summarypublication summary
 Complete CitationSay, T. 1829. New Harm. Dissem. 2(19): 291-293. Attributed Nominal Species| Unio cicatricosus Say, 1829
  Say, 1829. New Harm. Dissem. 2(19): 292, sp. 2. Say, 1858. [in] Binney, Compl. Writings T. Say: 131.
 Type(s): NEOTYPE SMF_4539, N. Amerika.
 |  |
 | Unio heros Say, 1829Say, 1829. New Harm. Dissem. 2(19): 291, sp. 1.
 Say, 1858. [in] Binney, Compl. Writings T. Say: 165, 225.
 Type(s): TYPE LOST XXX_UNKNOWN, Fox River of the Wabash.
 |  |
 | Unio incurvis Say, 1829Say, 1829. New Harm. Dissem. 2(19): 293.
 |  |
 | Unio monodonta Say, 1829Say, 1829. New Harm. Dissem. 2(19): 293.
 Say, 1830. Amer. Conch. 1: pl. 6.
 Say, 1858. [in] Binney, Compl. Writings T. Say: 155.
 |  |
 | Unio perplexus Say, 1829Say, 1829. New Harm. Dissem. 2(19): 309.
 Say, 1830. Amer. Conch. 1: pl. 5.
 Say, 1858. [in] Binney, Compl. Writings T. Say: 155, 225.
 |  |
 | Unio velum Say, 1829Say, 1829. New Harm. Dissem. 2(19): 293.
 Say, 1858. [in] Binney, Compl. Writings T. Say: 132.
 |  |
 |