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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 (1871): attributed nominal speciespublication summary
 Complete CitationLea, I. 1871. Descriptions of twenty new species of uniones of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 23: 189-193. Available electronically. Attributed Nominal Species| Unio acuens Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 190. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 27 [31], pl. 8, fig. 24.
 Type(s): FIGURED SYNTYPE USNM_84599, Holston R., near Concord, E. Tenn.
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 | Unio appressus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 189. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 12 [16], pl. 3, fig. 8.
 Type(s): FIGURED SYNTYPE USNM_84483, Tuscumbia, Ala.
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 | Unio cahabensis Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 190. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 17 [21], pl. 5, fig. 14.
 Type(s): FIGURED SYNTYPE USNM_84204, Cahaba R., Ala.
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 | Unio circumactus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 192. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 15 [19], pl. 4, fig. 11.
 Type(s): FIGURED SYNTYPE USNM_85830, Holston R., E. Tenn.
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 | Unio crudus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 190. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 14 [18], pl. 4, fig. 10.
 Type(s): FIGURED SYNTYPE USNM_85841, French Broad R., Tenn.
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 | Unio dispansus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 191. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 19 [23], pl. 6, fig. 16.
 Type(s): FIGURED SYNTYPE USNM_85094, E Tennessee.
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 | Unio globatus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 191. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 5 [9], pl. 1, fig. 1.
 Type(s): FIGURED SYNTYPE USNM_85820, Holston R., Tenn.
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 | Unio lawii Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 189. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 8 [12], pl. 2, fig. 4.
 Type(s): FIGURED SYNTYPE USNM_84757, Holston R., Tenn.
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 | Unio litus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 189. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 17 [21], pl. 5, fig. 13.
 Type(s): FIGURED SYNTYPE USNM_85142, Cahawba R., Shelby Co., Ala.
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 | Unio metanever Lea, 1829‘Rafinesque’  of Authors.
 Lea, 1829. Trans. Amer. Phil. Soc. 3 [O. 1]: 418.
 Jay, 1835. Cat. Rec. Shells: 17.
 Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 179.
 Agassiz, 1852. Arch. Naturg. 18(1): 48.
 Conrad, 1853. Proc. Acad. Nat. Sci. 6: 252.
 Mörch, 1853. Cat. Conch. Yoldi 2: 44.
 Lewis, 1871. Amer. J. Conch. 6: 218.
 Lea, 1871. Proc. Acad. Nat. Sci. 23: 15 [as ‘Margarita (Unio) metanever’].
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 | Unio obuncus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 192. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 9 [13], pl. 2, fig. 5.
 Type(s): FIGURED SYNTYPE USNM_84698, Holston R., E. Tenn.
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 | Unio pattinoides Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 193. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 16 [20], pl. 4, fig. 12.
 Type(s): FIGURED SYNTYPE USNM_84763, Holston R., Tenn.
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 | Unio pealei Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 191. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 26 [30], pl. 8, fig. 23.
 Type(s): HOLOTYPE (MONOTYPY) USNM_85745, Kansas.
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 | Unio radiolus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 192. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 21 [25], pl. 6, fig. 18.
 Type(s): FIGURED SYNTYPE USNM_85652, Ogeechee R., Liberty Co., Ga.
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 | Unio radiosus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 192. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 13 [17], pl. 3, fig. 9.
 Type(s): FIGURED SYNTYPE USNM_84647, Holston R., E. Tenn.
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 | Unio recurvatus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 192. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 10 [14], pl. 2, fig. 6.
 Type(s): FIGURED SYNTYPE USNM_85800, Holston R., Tenn.
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 | Unio santeensis Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 193 [as ‘santeënsis’]. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 20 [24], pl. 6, fig. 17.
 Type(s): FIGURED SYNTYPE USNM_85635, Santee Canal, S.C.
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 | Unio simulans Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 190. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 18 [22], pl. 5, fig. 15.
 Type(s): FIGURED SYNTYPE USNM_84840, Cahawba R., Shelby Co., Ala.
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 | Unio subglobatus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 191. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 7 [11], pl. 1, fig. 3.
 Type(s): FIGURED SYNTYPE USNM_85823, Florence, Ala.
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 | Unio tuscumbiensis Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 190. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 11 [15], pl. 3, fig. 7.
 Type(s): HOLOTYPE USNM_84593, Tuscumbia, Ala.
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 | Unio validus Lea, 1871
  Lea, 1871. Proc. Acad. Nat. Sci. 23: 189. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 6 [10], pl. 1, fig. 2.
 Type(s): HOLOTYPE (MONOTYPY) USNM_84583, Duck R., Tenn.
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