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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! 
This page documents data for Sowerby (1866), such as genera and species attributed to that publication (including known misspellings, misidentifications, and other unavailable names) as well as taxonomic opinions, if available. Taxonomic opinions refer to uses of genera and species as valid and invalid in that work. 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=publ&id=620 
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 Publication information 
Sowerby, G.B. 1866. Genus Unio. Conchologica Iconica 16: pls. 31-54. 
Click here for online access. 
Attributed Species Names
  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.
    (misidentified reference to Unio burroughianus Lea, 1834)
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  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.
    (misidentified reference to Unio parvus Barnes, 1823)
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  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.
    (error for Unio zigzag Lea, 1829)
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  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.
    (error for Unio hanleyianus Lea, 1852)
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  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.
    (reference to Alasmidonta marginata Say, 1818)
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  Unio pumilus Sowerby, 1866
       ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 36, sp. 198.
    (reference to Unio pumilus Lea, 1838)
    Type(s):  BMNH_1965150, Loc._ ?
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  Unio auratus Sowerby, 1866
       ‘Swainson’ Sowerby, 1866, Conch. Icon. 16: pl. 45, sp. 245.
    (reference to Unio auratus Philippi, 1847)
    Type(s): FIGURED SPECIMEN BMNH_1968864, (South America).
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  Unio vonbuschea Sowerby, 1866
      ‘Lea MS’ Sowerby, 1866, Conch. Icon. 16: pl. 51, sp. 269 [as ‘Unio Von Buschea’].
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  Unio discoideus Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 53, sp. 275; errata [changed to ‘U. laevissimus Lea’].
    (misidentified reference to Symphynota discoidea Lea, 1834)
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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’].
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  Unio plicatus Sowerby, 1866
     “Say” Sowerby, 1866, Conch. Icon. 16: pl. 54, sp. 280.
    (reference to Dipsas plicatus Leach, 1814)
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  Unio haslehurstianus Sowerby, 1866
      Sowerby, 1866, Conch. Icon. 16: pl. 35, sp. 188.
    (error for Unio hazlehurstianus Lea, 1858)
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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.
    (error for Unio camelopardilis Lea, 1860)
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  Unio regularis Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 34, sp. 181.
    (misidentified reference to Unio regularis Lea, 1841)
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  Unio subrotundus Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 37, sp. 201.
    (misidentified reference to Unio subrotundus Lea, 1831)
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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 poulsoni Sowerby, 1866
      ‘Conrad’ Sowerby, 1866, Conch. Icon. 16: pl. 51, sp. 270.
    (reference to Unio poulsoni Conrad, 1834)
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  Unio valentianus Sowerby, 1866
      Sowerby, 1866, Conch. Icon. 16: pl. 41, sp. 225.
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  Unio texasianus Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 40, sp. 218.
    (error for Unio texasiensis Lea, 1857)
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  Unio dolosus Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 41, sp. 228.
    (reference to Unio dolosus Lea, 1860)
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  Unio vanuxemensis Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 39, sp. 216.
    (misidentified reference to Unio vanuxemensis Lea, 1838)
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  Unio indicus Sowerby, 1866
       Sowerby, 1866, Conch. Icon. 16: pl. 40, sp. 222.
    Type(s): HOLOTYPE BMNH_1965195, India.
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  Unio gundlachi Sowerby, 1866
      ‘Dunker’ Sowerby, 1866, Conch. Icon. 16: pl. 46, sp. 248.
    (misidentified reference to Unio gundlachi Dunker, 1858)
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  Unio troostensis Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 38, sp. 210.
    (homonym of Unio troostensis Lea, 1834)
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  Unio perovalis Sowerby, 1866
      ‘Conrad’ Sowerby, 1866, Conch. Icon. 16: pl. 38, sp. 209.
    (misidentified reference to Unio perovalis Conrad, 1834)
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  Unio hydeanus Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 37, sp. 203.
    (error for Unio hydianus Lea, 1838)
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  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.
    (reference to Unio swinhoei H. Adams, 1866)
    Type(s): HOLOTYPE BMNH_1968653, Formosa.
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  Unio donaciformis Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 39, sp. 214.
    (misidentified reference to Unio donaciformis Lea, 1828)
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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.
    (error for Unio laosensis Lea, 1863)
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  Unio solsiana Sowerby, 1866
     ‘d’Orbigny’ Sowerby, 1866, Conch. Icon. 16: pl. 51, sp. 268.
    (error for Unio solisiana d’Orbigny, 1835)
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  Unio argenteus Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 37, sp. 204.
    (misidentified reference to Unio argenteus Lea, 1841)
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  Unio ahaeneus Sowerby, 1866
      Sowerby, 1866, Conch. Icon. 16: pl. 36, sp. 194 [as ‘ahæneus’].
    (error for Unio aheneus Lea, 1843)
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  Unio succisus Sowerby, 1866
      ‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 33, sp. 174.
    (reference to Unio succissus Lea, 1852; error for Unio succissus Lea, 1852)
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  Unio ventricosus Sowerby, 1866
     ‘Barnes’ Sowerby, 1866, Conch. Icon. 16: pl. 43, sp. 235.
    (reference to Unio ventricosus Barnes, 1823)
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  Unio ornatus Sowerby, 1866
      ‘Conrad’ Sowerby, 1866, Conch. Icon. 16: pl. 31, sp. 162.
    (reference to Unio ovatus var. ornatus Conrad, 1835)
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  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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  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.
    (new name for Unio pumilus Sowerby, 1866)
    Type(s): HOLOTYPE BMNH_1965150, Loc._ ?
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Taxonomic Opinions
	 Unio acutissimus Lea, 1831
	 
	Unio ahæneus [sic] Lea, 1841
	 
	Unio alatus Say, 1817
	 
	Unio anaticulus Lea, 1861
	 
	Unio arcula (Lea, 1838)
	 
	Unio argenteus Lea, 1841
	 
	Unio auratus ‘Swainson’ Sowerby, 1866
	 
	Unio barnesianus Lea, 1838
	 
	Unio batava Lamarck
	 
	Unio bialatus (Lea, 1829)
	 
	Unio bigbyensis Lea, 1841
	 
	Unio blandingianus Lea, 1834
	 
	Unio buckleyi Lea, 1841
	 
	Unio burroughianus Lea, 1834
	 
	Unio burtoni Woodward, 1859
	 
	Unio caeruleus Lea, 1831
	 
	Unio caffer Krauss, 1848
	 + Unio africanus Lea, 1856
	 
	Unio cambojensis Sowerby, 1866
	 
	Unio camelopardalis [sic] Lea, 1860
	 
	Unio capax Green, 1832
	 
	Unio coarctatus Lamarck, 1819
	 
	Unio collinus Conrad, 1837
	 
	Unio complanatus (Barnes, 1823)
	 
	Unio confertus Lea, 1834
	 
	Unio conradicus Lea, 1834
	 
	Unio crassus Say
	 + Unio ligamentina Lamarck, 1819
	 + Unio ellipticus Barnes, 1823
	 + Mya gravis Wood, 1828
	 
	Unio crispisulcatus Benson, 1862
	 
	Unio cumberlandicus Lea, 1838
	 
	Unio cumingii Lea, 1852
	 
	Unio delphinulus Morelet, 1849
	 
	Unio delphinus Gruner, 1841
	 
	Unio discoidea (Lea, 1834)
	 + Unio tenuis Griffith & Pidgeon, 1833
	 + Symphynota magnifica Lea, 1834
	 
	Unio discrepans Lea, 1860
	 
	Unio dolabelloides Lea, 1840
	 
	Unio dolosus Lea, 1860
	 
	Unio donaciformis Lea, 1828
	 
	Unio douglasiae Gray in Griffith & Pidgeon, 1834
	 + Unio murchisonianus Lea, 1834
	 
	Unio exiguus Lea, 1840
	 
	Unio fabalis Lea, 1831
	 
	Unio fibuloides Lea, 1859
	 
	Unio foremanianus Lea, 1842
	 
	Unio gibber Lea, 1838
	 
	Unio glans Lea, 1831
	 
	Unio gracilis (Barnes, 1823)
	 
	Unio gravidus Lea, 1856
	 
	Unio greenii Conrad, 1834
	 
	Unio gundlachi Dunker, 1858
	 + Unio persulcatus Lea, 1859
	 
	Unio hainesianus Lea, 1856
	 
	Unio hanleyanus [sic] Lea, 1852
	 
	Unio haslehurstianus [sic] Lea, 1858
	 
	Unio hembeli Conrad, 1838
	 
	Unio heterodon Lea, 1829
	 
	Unio hildrethianus Lea, 1834
	 
	Unio housei Lea, 1856
	 
	Unio hydeanus [sic] Lea, 1838
	 
	Unio indicus Sowerby, 1866
	 
	Unio inflatus (Lea, 1831)
	 
	Unio infucatus Conrad, 1834
	 
	Unio involuta Benson in Hanley, 1856
	 
	Unio laevissimus (Lea, 1829)
	 
	Unio lamellatus Lea, 1838
	 
	Unio lanceolatus Lea, 1828
	 
	Unio laoensis ‘Lea MS’
	 
	Unio lecontianus Lea, 1838
	 
	Unio lens Lea, 1831
	 
	Unio leptodon Rafinesque, 1820
	 
	Unio lienosus Conrad, 1834
	 
	Unio lindsleyi Lea, 1860
	 
	Unio marginatus Lea
	 + Unio varicosa Lamarck, 1819
	 + Unio rugulosus Wood, 1828
	 
	Unio medellinus Lea, 1838
	 
	Unio micans Lea, 1857
	 
	Unio muhlfeldianus Lea, 1838
	 
	Unio myersianus Lea, 1856
	 
	Unio negatus Lea, 1861
	 
	Unio nicklinianus Lea, 1834
	 
	Unio novi-eboraci Lea, 1838
	 
	Unio nyassae Sowerby, 1866
	 
	Unio obesus Lea, 1831
	 
	Unio olivarius Lea, 1831
	 
	Unio orbiculatus Hildreth, 1828
	 + Unio abruptus Say, 1831
	 + Unio crassus Conrad, 1836
	 
	Unio ornatus Conrad, 1835
	 
	Unio ovatus Say, 1817
	 
	Unio paraguayana (d’Orbigny, 1835)
	 
	Unio paranensis Lea, 1834
	 + Unio solisiana d’Orbigny, 1835
	 
	Unio parvus Barnes, 1823
	 
	Unio pellucidus Lea, 1845
	 
	Unio percoarctatus Lea, MS
	 
	Unio perovalis Conrad, 1834
	 
	Unio plicatus Say [sic]
	 
	Unio plicatus Say
	 + Unio peruviana Lamarck, 1819
	 + Unio rariplicata Lamarck, 1819
	 + Unio undulatus Barnes, 1823
	 + Unio dombeyana Valenciennes, 1827
	 + Unio multiplicatus Lea, 1831
	 
	Unio politus Say, 1834
	 
	Unio postellii Lea, 1858
	 
	Unio poulsoni Conrad, 1834
	 + Unio purpurata Lamarck, 1819
	 + Unio ater Lea, 1829
	 + Unio lugubris Say, 1832
	 
	Unio pumilus Lea, 1838
	 
	Unio regularis Lea, 1841
	 
	Unio schwerzenbachi Rossmassler
	 
	Unio scobina ‘Benson’ Hanley, 1856
	 + Unio fluctiger Lea, 1859
	 
	Unio semiquadrata Sowerby, 1866
	 
	Unio shuttleworthi Lea, 1856
	 
	Unio soleniformis Lea, 1831
	 
	Unio spinosus Lea, 1836
	 
	Unio splendidus Lea, 1838
	 
	Unio stramineus Conrad, 1834
	 
	Unio stuarti Adams & Angas, 1863
	 
	Unio subovatus Lea, 1831
	 
	Unio subplanum Conrad, 1837
	 
	Unio subrotundus Lea, 1831
	 
	Unio succisus [sic] Lea, 1852
	 
	Unio swinhoei ‘Reeve’ Sowerby, 1866
	 
	Unio tenuissimus (Lea, 1829)
	 + Anodon purpurascens Swainson, 1823
	 + Unio velum Say, 1829
	 
	Unio texasianus [sic] Lea, 1857
	 
	Unio tortivus Lea, 1840
	 
	Unio troostensis Lea, 1834
	 + Unio trabalis Conrad, 1834
	 
	Unio umbrans Lea, 1857
	 
	Unio umbrosus Lea, 1856
	 
	Unio valentinus Sowerby, 1866
	 
	Unio vanuxemensis Lea, 1838
	 
	Unio ventricosus Barnes, 1823
	 
	Unio viridis Conrad, 1835
	 + Unio tappanianus Lea, 1838
	 
	Unio vonbuschea ‘Lea MS’
	 
	Unio zeiglerianus Lea, 1838
	 
	Unio zic-zac [sic] Lea, 1829
	 
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  Page updated: 08:43:26 Sun 07 Sep 2025  |  
 
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