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 Publication Sowerby (1866): attributed nominal speciespublication summary
 Complete CitationSowerby, G.B. 1866. Genus Unio. Conchologica Iconica 16: pls. 31-54. Available electronically. Attributed Nominal Species| Margaritana marginata Küster, 1862‘Say’  of Authors.
 
  Küster, 1862. Conchyl. Cab. 9(2): 297, pl. 99, fig. 3. 
  Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 267. |  |
 | Parreysia robsoni Frierson, 1927
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 36, sp. 198 [as ‘Unio pumilus’]. Frierson, 1927. Check List N. Amer. Naiades: 45.
 Type(s): HOLOTYPE BMNH_1965150, Loc._ ?
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 | Unio ahaeneus Sowerby, 1866
  Sowerby, 1866. Conch. Icon. 16: pl. 36, sp. 194 [as ‘ahæneus’]. |  |
 | Unio argenteus Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 37, sp. 204. |  |
 | Unio auratus Sowerby, 1866
   ‘Swainson’ Sowerby, 1866. Conch. Icon. 16: pl. 45, sp. 245. Type(s): FIGURED SPECIMEN BMNH_1968864, (South America).
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 | Unio burroughianus d’Orbigny, 1835‘Lea’  of Authors.
 d’Orbigny, 1835. Mag. Zool. 5(61-62): 34.
 
  Sowerby, 1866. Conch. Icon. 16: pl. 32, sp. 169. Bertoni, 1925. Rev. Soc. Cient. del Paraguay 2(1): 73.
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 | Unio cambojensis Sowerby, 1866
   Sowerby, 1866. Conch. Icon. 16: pl. 42, sp. 231. Type(s): LECTOTYPE BMNH_1965148, Camboja.
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 | Unio camelopardalis Sowerby, 1866‘Lea’  of Authors.
 
  Sowerby, 1866. Conch. Icon. 16: pl. 42, sp. 233, fig. 233a. Haas, 1969. Das Tierreich 88: 450.
 Watters, 2018. Visaya, Suppl. (10): 29.
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 | Unio discoideus Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 53, sp. 275; errata [changed to ‘U. laevissimus Lea’]. |  |
 | Unio dolosus Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 41, sp. 228. |  |
 | Unio donaciformis Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 39, sp. 214. |  |
 | Unio gundlachi Sowerby, 1866
  ‘Dunker’ Sowerby, 1866. Conch. Icon. 16: pl. 46, sp. 248. |  |
 | Unio hanleyanus Conrad, 1853‘Lea’  of Authors.
 Conrad, 1853. Proc. Acad. Nat. Sci. 6: 250.
 
  Sowerby, 1866. Conch. Icon. 16: pl. 46, sp. 249. B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [3].
 Simpson, 1900. Proc. U.S. Nat. Mus. 22: 759.
 Simpson, 1914. Descr. Cat. Naiades: 780.
 Frierson, 1927. Check List N. Amer. Naiades: 42, sp. 175.
 Haas, 1969. Das Tierreich 88: 256.
 Burch, 1975. Freshw. Unio. North Amer.: 13.
 Turgeon et al., 1988. Am. Fisher. Soc. Spec. Publ. (16): 32.
 Williams et al., 1993. Fisheries 18(9): 13.
 Parmalee & Bogan, 1998. The Freshwater Mussels of Tennessee: 184.
 Lydeard et al., 1999. Gulf Mex. Sci. 17(2): 129.
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 | Unio haslehurstianus Sowerby, 1866
  Sowerby, 1866. Conch. Icon. 16: pl. 35, sp. 188. |  |
 | Unio hydeanus Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 37, sp. 203. |  |
 | Unio indicus Sowerby, 1866
   Sowerby, 1866. Conch. Icon. 16: pl. 40, sp. 222. Type(s): HOLOTYPE BMNH_1965195, India.
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 | Unio laoensis Sowerby, 1866‘Lea’  of Authors.
 
  Sowerby, 1866. Conch. Icon. 16: pl. 47, sp. 256. Haas, 1910. Conch. Cab. 9 (pt. 2, h. 42): pl. 12, caption.
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 | Unio nyassae Sowerby, 1866
  Sowerby, 1866. Conch. Icon. 16: pl. 41, sp. 224, figs. 224a-b [changed in errata to ‘nyssensis’]. |  |
 | Unio ornatus Sowerby, 1866
  ‘Conrad’ Sowerby, 1866. Conch. Icon. 16: pl. 31, sp. 162. |  |
 | Unio parvus Conrad, 1836‘Barnes’  of Authors.
 Conrad, 1836. Monogr. Fam. Unionidae 1(2): 20, pl. 9, fig. 1.
 
  Sowerby, 1866. Conch. Icon. 16: pl. 35, sp. 186. |  |
 | Unio perovalis Sowerby, 1866
  ‘Conrad’ Sowerby, 1866. Conch. Icon. 16: pl. 38, sp. 209. |  |
 | Unio plicatus Sowerby, 1866“Say” Sowerby, 1866. Conch. Icon. 16: pl. 54, sp. 280.
 |  |
 | Unio poulsoni Sowerby, 1866
  ‘Conrad’ Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 270. |  |
 | Unio pumilus Sowerby, 1866
   ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 36, sp. 198. Type(s):  BMNH_1965150, Loc._ ?
 |  |
 | Unio regularis Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 34, sp. 181. |  |
 | Unio semiquadrata Sowerby, 1866
   Sowerby, 1866. Conch. Icon. 16: pl. 48, sp. 258. Type(s): SYNTYPES BMNH_1968658, Lao Mountains, Camboja.
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 | Unio solsiana Sowerby, 1866‘d’Orbigny’ Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 268.
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 | Unio subrotundus Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 37, sp. 201. |  |
 | Unio succisus Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 33, sp. 174. |  |
 | Unio swinhoei Sowerby, 1866
   ‘Reeve’ Sowerby, 1866. Conch. Icon. 16: pl. 42, sp. 232. 
  ‘H. Adams’ Sowerby, 1870. Conch. Icon. 17: pl. 27, sp. 108. Type(s): HOLOTYPE BMNH_1968653, Formosa.
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 | Unio texasianus Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 40, sp. 218. |  |
 | Unio troostensis Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 38, sp. 210. |  |
 | Unio valentianus Sowerby, 1866
  Sowerby, 1866. Conch. Icon. 16: pl. 41, sp. 225. |  |
 | Unio vanuxemensis Sowerby, 1866
  ‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 39, sp. 216. |  |
 | Unio ventricosus Sowerby, 1866‘Barnes’ Sowerby, 1866. Conch. Icon. 16: pl. 43, sp. 235.
 |  |
 | Unio vonbuschea Sowerby, 1866
  ‘Lea MS’ Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 269 [as ‘Unio Von Buschea’]. |  |
 | Unio ziczac Hanley, 1843‘Lea’  of Authors.
 Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 183.
 
  Sowerby, 1866. Conch. Icon. 16: pl. 34, sp. 213. |  |
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