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 | 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! 
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 Publication Lea (1866): summarypublication summary
 Complete CitationLea, I. 1866. Description of five new species of the genus Unio. Proceedings of the Academy of Natural Sciences of Philadelphia 18: 133. Available electronically. Attributed Nominal Species| Unio asperulus Lea, 1866
  Lea, 1866. Proc. Acad. Nat. Sci. 18: 133. 
  Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 280, pl. 38, fig. 94. Type(s): HOLOTYPE USNM_84078, Siam.
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 | Unio evitatus Lea, 1866
  Lea, 1866. Proc. Acad. Nat. Sci. 18: 133. 
  Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 279, pl. 38, fig. 92. Type(s): HOLOTYPE USNM_85191, Bengal.
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 | Unio pilatus Lea, 1866
  Lea, 1866. Proc. Acad. Nat. Sci. 18: 133. 
  Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 281, pl. 38, fig. 95. Type(s): HOLOTYPE USNM_85195, Siam.
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 | Unio siamensis Lea, 1866
  Lea, 1866. Proc. Acad. Nat. Sci. 18: 133. 
  Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 279 [39], pl. 38, fig. 93. Type(s): HOLOTYPE USNM_85893, Siam.
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 | Unio strebelii Lea, 1866
  Lea, 1866. Proc. Acad. Nat. Sci. 18: 133. 
  Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 318 [78], pl. 51, fig. 131. Type(s): LECTOTYPE [AS HOLOTYPE] USNM_85661 (by R.I. Johnson, 1974: 138), Vera Cruz, Mexico.
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