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9 August
2018

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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 search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.

 

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Publication Information

Sowerby, G.B. 1868. Genus Unio. Conchologica Iconica 16: pls. 1, 61-96.
Availably electronically? yes.

Species Described
Alasmidonta schomburgki Sowerby, 1868.
‘Hanley MS’ Sowerby, 1868, Conch. Icon.: pl. 86, sp. 458.
(intro'd as syn of Unio reticulata Moricand, 1858)
= Monocondylaea paraguayana
 
Lampsilis (s.s.) sowerbyana Frierson, 1927.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 63, sp. 316 [as ‘Unio pictus’].
Frierson, 1927, Check List N. Amer. Naiades: 69, sp. 308.
= Ortmanniana ligamentina
 
Margaritana curreyana Lea, 1842.
‘Lea’ Of Authors.
Lea, 1842, Trans. Amer. Phil. Soc.: pl. 18, fig. 40.
Agassiz, 1852, Arch. Naturg.: 47.
Lea, 1852, Synopsis Fam. Naiades: 42.
Conrad, 1853, Proc. Acad. Nat. Sci.: 263.
Adams & Adams, 1857, Gen. Rec. Moll.: 499.
Sowerby, 1868, Conch. Icon.: pl. 63, sp. 319.
Lea, 1870, Synopsis Fam. Naiades: 68.
Simpson, 1900, Proc. U.S. Nat. Mus.: 661.
Simpson, 1914, Descr. Cat. Naiades: 474.
Frierson, 1927, Check List N. Amer. Naiades: 21.
Haas, 1969, Das Tierreich: 395.
(error for Margaritana curreyiana Lea, 1840)
= Pegias fabula
 
Physunio friersoni Simpson, 1914.
‘Benson, in Hanley’ Sowerby, 1868, Conch. Icon.: pl. 72, sp. 368 [as ‘Unio velaris’].
Simpson, 1914, Descr. Cat. Naiades: 1068.
= Physunio friersoni
 
Psoronaias plexoideus Frierson, 1927.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 64, sp. 324; errata [as ‘Unio rusticus’].
Frierson, 1927, Check List N. Amer. Naiades: 63, sp. 273.
= Barynaias plexus
 
Unio affinis Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 63, sp. 318.
(mis-ID'd reference to Unio affinis Lea, 1852)
= Leptodea ochracea
 
Unio affinis Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 61, sp. 307.
(mis-ID'd reference to Unio affinis Lea, 1852)
= Lampsilis siliquoidea
 
Unio asperatus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 85, sp. 450.
(reference to Unio asperatus Lea, 1861)
= Cyclonaias asperata
 
Unio astieranus Sowerby, 1868.
‘Dupuy’ Of Authors.
Sowerby, 1868, Conch. Icon.: pl. 86, sp. 461.
Paetel, 1890, Cat. Conch.-Samml.: 145.
(error for Unio astierianus Dupuy, 1849)
= Potomida littoralis
 
Unio atrocostatus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 77, sp. 404.
(mis-ID'd reference to Unio atrocostatus Lea, 1845)
= Megalonaias nervosa
 
Unio calamitarum Sowerby, 1868.
‘Morelet’ Sowerby, 1868, Conch. Icon.: pl. 74, sp. 385.
(reference to Unio calamitarum Morelet, 1849)
= Nephronaias calamitarum
 
Unio capigliolo Küster, 1855.
‘Payraudeau’ Of Authors.
Küster, 1855, Conchyl. Cab.: 125, pl. 34, figs. 5-6 [in part].
Sowerby, 1868, Conch. Icon.: pl. 75, sp. 392.
(mis-ID'd reference to Unio capigliolo Payraudeau, 1826)
= Unio crassus
 
Unio charruanus Sowerby, 1868.
‘d’Orbigny’ Sowerby, 1868, Conch. Icon.: pl. 93, sp. 505.
(mis-ID'd reference to Unio charruana d’Orbigny, 1835)
= Diplodon rhuacoicus
 
Unio churchilleanus Sowerby, 1868.
‘Bourguignat’ Sowerby, 1868, Conch. Icon.: pl. 96, sp. 525.
(error for Unio churchillianus Bourguignat, 1857)
= Pseudodontopsis euphraticus
 
Unio cinnamominus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 83, sp. 436.
(error for Unio cinnamomicus Lea, 1861)
= Pleurobema perovatum
 
Unio clairbornensis Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 70, sp. 357.
(error for Unio claibornensis Lea, 1838)
= Lampsilis straminea
 
Unio connasaughensis Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 88, sp. 474.
(error for Margaritana connasaugaensis Lea, 1858)
= Pseudodontoideus connasaugaensis
 
Unio contortus Sowerby, 1868.
‘Baird & Adams’ Sowerby, 1868, Conch. Icon.: errata.
(error for Unio subtortus Baird & Adams, 1867)
= Aculamprotula tortuosa
 
Unio corrianus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 77, sp. 401.
(mis-ID'd reference to Unio corrianus Lea, 1834)
= Lamellidens marginalis
 
Unio crassidens Sowerby, 1868.
‘Lamarck’ Sowerby, 1868, Conch. Icon.: pl. 62, sp. 312.
(reference to Unio crassidens Lamarck, 1819)
= Ortmanniana ligamentina
 
Unio crassus Sowerby, 1868.
‘Say’ Sowerby, 1868, Conch. Icon.: pl. 95, sp. 520.
(mis-ID'd reference to Unio crassus Say, 1817)
= Elliptio crassidens
 
Unio cuprinus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 66, sp. 336.
(reference to Unio cuprinus Lea, 1831)
= Popenaias metallica
 
Unio digitiformis Sowerby, 1868.
Sowerby, 1868, Conch. Icon.: pl. 65, sp. 333.
Type(s): HOLOTYPE BMNH_1965199, India.
= Indochinella pugio
 
Unio discus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 62, sp. 310; errata.
(mis-ID'd reference to Unio discus Lea, 1838)
= Elliptio crassidens
 
Unio dorbignianus Sowerby, 1868.
‘Hupé & Deville’ Sowerby, 1868, Conch. Icon.: pl. 96, sp. 523 [as ‘d’orbignianus’].
(error for Unio orbignyi Deville & Hupé, 1850)
= Castalia orbignyi
 
Unio downei Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 68, sp. 350.
(error for Unio downiei Lea, 1858)
= Elliptio downiei
 
Unio ellipticus Küster, 1861.
‘Spix & Wagner’ Of Authors.
Küster, 1861, Conchyl. Cab.: 238, pl. 80, fig. 2.
‘Spix’ Sowerby, 1868, Conch. Icon.: pl. 74, sp. 382.
(reference to Unio ellipticus Spix & Wagner, 1827)
= Diplodon ellipticus
 
Unio holstonianus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 76, sp. 398.
(error for Margaritana holstonia Lea, 1838)
= Lasmigona holstonia
 
Unio hopetownensis Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 68, sp. 349.
(error for Unio hopetonensis Lea, 1838)
= Elliptio hopetonensis
 
Unio jejunus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 68, sp. 347; errata [changed to ‘depressus of D’Orbigny’].
(reference to Unio jejunus Lea, 1838)
= Elliptio complanata
 
Unio lamellatus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 94, sp. 511.
(mis-ID'd reference to Unio lamellatus Lea, 1838)
= Lamellidens generosus
 
Unio latissimus Sowerby, 1868.
Sowerby, 1868, Conch. Icon.: pl. 66, sp. 337.
(prim. homonym of Unio latissima Rafinesque, 1820)
= Lampsilis cardium
 
Unio lazarus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 68, sp. 348.
(mis-ID'd reference to Unio lazarus Lea, 1852)
= Elliptio arca
 
Unio litoralis Menke, 1828.
‘Lamarck’ Of Authors.
Menke, 1828, Syn. Method. Moll.: 64.
Menke, 1830, Syn. Method. Moll.: 107.
Lea, 1836, Synopsis Fam. Naiades: 32.
Swainson, 1840, Treat. Malacol.: 282.
Lea, 1852, Synopsis Fam. Naiades: 34.
Rossmässler, 1854, Icon. Land- und Süssw.-Moll.: 37.
Küster, 1855, Conchyl. Cab.: 128.
Reeve, 1865, Conch. Icon.: pl. 22, sp. 98.
Sowerby, 1868, Conch. Icon.: pl. 86, sp. 461.
Lea, 1870, Synopsis Fam. Naiades: 54.
Westerlund, 1890, Fauna Paläarct. Binnenconch.: 52.
(error for Unio littoralis Cuvier, 1798)
= Potomida littoralis
 
Unio luteolus Sowerby, 1868.
Sowerby, 1868, Conch. Icon.: pl. 61, sp. 306; errata [originally as U. multiradiata].
Krebs, 2004, Molec. Ecol.: 1702.
(mis-ID'd reference to Unio luteola Lamarck, 1819)
= Lampsilis siliquoidea
 
Unio lutulentus Sowerby, 1868.
‘Gould’ Sowerby, 1868, Conch. Icon.: pl. 74, sp. 386.
(reference to Unio lutulentus Gould, 1850)
= Echyridella menziesii
 
Unio multiradiatus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 61, sp. 306; errata [changed to ‘U. luteolus, var.’].
(error for Unio luteola Lamarck, 1819; mis-ID'd reference to Unio multiradiatus Lea, 1829)
= Lampsilis siliquoidea
 
Unio neglectus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 65, sp. 329.
(mis-ID'd reference to Unio neglectus Lea, 1843)
= Elliptio complanata
 
Unio niloticus Sowerby, 1868.
‘Caillaud’ [sic] Sowerby, 1868, Conch. Icon.: pl. 73, sp. 374.
(mis-ID'd reference to Unio niloticus Cailliaud, 1827)
= Diplodon granosus
 
Unio nyassensis Sowerby, 1868.
‘Lea’ Of Authors.
Sowerby, 1868, Conch. Icon.: Errata.
Lea, 1870, Synopsis Fam. Naiades: 30.
(error for Unio nyassaensis Lea, 1864)
= Nyassunio nyassaensis
 
Unio oriens Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 63, sp. 314.
(mis-ID'd reference to Unio oriens Lea, 1831)
= Lampsilis teres
 
Unio parma Sowerby, 1868.
‘Benson’ Sowerby, 1868, Conch. Icon.: pl. 95, sp. 514.
Type(s): HOLOTYPE (MONOTYPY) BMNH_88-12-4-1669, Tenasserim, Burma.
= Parreysia tavoyensis
 
Unio pictus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 63, sp. 316.
(mis-ID'd reference to Unio pictus Lea, 1834)
= Ortmanniana ligamentina
 
Unio platyrrhinchoideus Sowerby, 1868.
‘Dupuy’ Sowerby, 1868, Conch. Icon.: pl. 70, sp. 358.
(error for Unio platyrinchoideus Dupuy, 1849)
= Unio pictorum
 
Unio prevostianus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 63, sp. 315.
(reference to Unio prevostianus Lea, 1852)
= Villosa vibex
 
Unio rectilinearis Sowerby, 1868.
Sowerby, 1868, Conch. Icon.: pl. 65, sp. 332.
Type(s): HOLOTYPE BMNH_74-12-11-4, Riv. Columbia.
= Unio caffer
 
Unio regularis Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 68, sp. 351.
(mis-ID'd reference to Unio regularis Lea, 1841)
= Lampsilis straminea
 
Unio roanoakensis Hanley, 1843.
‘Lea’ Of Authors.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 199.
Sowerby, 1868, Conch. Icon.: pl. 67, sp. 341.
(error for Unio roanokensis Lea, 1838)
= Elliptio roanokensis
 
Unio rubellianus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 90, sp. 490.
(error for Unio rubellinus Lea, 1857)
= Medionidus acutissimus
 
Unio rusticus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 64, sp. 324; errata.
(prim. homonym of Unio rusticus Lea, 1856)
= Barynaias plexus
 
Unio sagrinatus Sowerby, 1868.
Sowerby, 1868, Conch. Icon.: pl. 67, sp. 345; errata [changed to ‘U. newcombianus Lea’].
= Arotonaias cyrenoides
 
Unio scutum Sowerby, 1868.
‘Benson’ Sowerby, 1868, Conch. Icon.: pl. 94, sp. 510.
Type(s): HOLOTYPE (MONOTYPY) BMNH_1907-10-28-239, Tenasserim.
= Trapezidens scutum
 
Unio shurtefflerianus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 95, sp. 515.
(error for Unio shurtleffianus Lea, 1856)
= Radiatula shurtleffiana
 
Unio siculus Sowerby, 1868.
‘Swainson’ Sowerby, 1868, Conch. Icon.: pl. 71, sp. 364.
(mis-ID'd reference to Potomida sicula Swainson, 1840)
= Unio mancus
 
Unio spatulatus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 65, sp. 328.
(mis-ID'd reference to Unio spatulatus Lea, 1845)
= Cambarunio simus
 
Unio spillmannii Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 82, pl. 435.
(error for Margaritana spillmanii Lea, 1858)
= Pseudodontoideus subvexus
 
Unio striatus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 78, sp. 407.
(mis-ID'd reference to Unio striatus Lea, 1840)
= Leaunio vanuxemensis
 
Unio subangulatus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 65, sp. 327.
(mis-ID'd reference to Unio subangulatus Lea, 1840)
= Villosa vibex
 
Unio subovatus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 85, sp. 456.
(reference to Unio subovatus Lea, 1831)
= Lampsilis cardium
 
Unio swainsoni Sowerby, 1868.
‘Hanley’ Sowerby, 1868, Conch. Icon.: pl. 76, sp. 396.
(new name for Uniopsis mytiloides Swainson, 1840; new name for Uniopsis radiata Swainson, 1840)
Type(s): HOLOTYPE BMNH_1900-3-19-21, Hab._?.
= Alasmidonta undulata
 
Unio taitanus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 67, sp. 338.
(error for Unio taitianus Lea, 1834; mis-ID'd reference to Unio taitianus Lea, 1834)
= Obovaria olivaria
 
Unio tortuosus Sowerby, 1868.
Sowerby, 1868, Conch. Icon.: pl. 65, sp. 330.
(prim. homonym of Unio tortuosus Lea, 1865)
Type(s): HOLOTYPE (MONOTYPY) BMNH_74-12-11-25, Maryland.
= Elliptio complanata
 
Unio trigonus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 64, sp. 322; errata.
(reference to Unio trigonus Lea, 1831)
= Fusconaia flava
 
Unio trinacris Lea, 1862.
‘Lea’ Of Authors.
Lea, 1862, Jour. Acad. Nat. Sci.: pl. 12, fig. 235.
Sowerby, 1868, Conch. Icon.: pl. 81, sp. 428.
(error for Unio trinacrus Lea, 1861)
= Ptychobranchus foremanianus
 
Unio trirostris Sowerby, 1868.
‘Benson’ Sowerby, 1868, Conch. Icon.: pl. 65, sp. 331; errata.
(prim. homonym of Unio trirostris Musgrave, 1863)
= Radiatula caerulea
 
Unio troostensis Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 79, sp. 415.
(mis-ID'd reference to Unio troostensis Lea, 1834)
= Venustaconcha trabalis
 
Unio vaughanianus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 61, sp. 308.
(mis-ID'd reference to Unio vaughanianus Lea, 1838)
= Sagittunio nasutus
 
Unio velaris Sowerby, 1868.
‘Benson, in Hanley’ Sowerby, 1868, Conch. Icon.: pl. 72, sp. 368.
(mis-ID'd reference to Unio velaris Hanley, 1856)
= Physunio friersoni
 
Unio venustus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 64, sp. 326.
(mis-ID'd reference to Unio venustus Lea, 1838)
= Ortmanniana ligamentina
 
Unio verrauianus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 69, sp. 352.
(error for Unio verreauianus Lea, 1856)
= Unio caffer
 
Unio verrucosus Say, 1834.
‘Rafinesque’ Of Authors.
‘Rafinesque’ Say, 1834, Amer. Conch.: ??.
‘Rafinesque’ Sowerby, 1868, Conch. Icon.: pl. 1, sp. 4.
(reference to Obliquaria verrucosa Rafinesque, 1820)
= Tritogonia verrucosa
 
Unio vondembuschii Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 95, sp. 518.
(error for Margaritana vondenbuschiana Lea, 1840; mis-ID'd reference to Margaritana vondenbuschiana Lea, 1840)
= Pseudodon inoscularis
 
Unio wynegungensis Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 67, sp. 339.
(error for Unio wynegungaensis Lea, 1860)
= Parreysia corrugata
 
Unio jayensis var. aequillus Sowerby, 1868.
‘Lea’ Sowerby, 1868, Conch. Icon.: pl. 67, sp. 343 [as ‘æquillus’].
(error for Unio aquilus Lea, 1857)
= Elliptio pullata
 
Taxonomic Opinions
Unio affinis Lea, 1852. — Sowerby (1868).
Unio affinis Lea, 1852. — Sowerby (1868).
Unio alabamensis (Lea, 1861). — Sowerby (1868).
Unio ambiguus Philippi, 1847. — Sowerby (1868).
Unio amoenus Lea, 1840. — Sowerby (1868).
Unio angustatus Lea, 1831. — Sowerby (1868).
Unio aratus Lea. — Sowerby (1868).
Unio arctior Lea, 1838. — Sowerby (1868).
Unio asperatus Lea, 1861. — Sowerby (1868).
Unio astieranus [sic] Dupuy, 1850. — Sowerby (1868).
Unio atrocostatus Lea, 1848. — Sowerby (1868).
Unio aureus Lea, 1859. — Sowerby (1868).
Unio biangulatus Lea, 1842. — Sowerby (1868).
Unio bilineatus (Lea, 1831). — Sowerby (1868).
Unio blandianus Lea, 1856. — Sowerby (1868).
Unio bonellii Férussac in Rossmässl. — Sowerby (1868).
Unio bonneaudi Eydoux, 1838. — Sowerby (1868).
Unio boykinianus Lea, 1840. — Sowerby (1868).
Unio bulloides Lea, 1859. — Sowerby (1868).
Unio caeruleus form trirostris ‘Benson’ Sowerby, 1868. — Sowerby (1868).
Unio calamitarum Morelet, 1849. — Sowerby (1868).
Unio calceola Lea, 1828. — Sowerby (1868).
Unio caldwellii Lea, 1858. — Sowerby (1868).
Unio camptodon Say, 1832. — Sowerby (1868).
Unio capigliolo Payraudeau, 1826. — Sowerby (1868).
Unio cerinus Conrad, 1838. — Sowerby (1868).
Unio charruanus d’Orbigny, 1835. — Sowerby (1868).
Unio churchilleanus [sic] Bourguignat, 1857. — Sowerby (1868).
Unio cinnamominus [sic] (Lea, 1861). — Sowerby (1868).
Unio clairbornensis [sic] Lea, 1838. — Sowerby (1868).
Unio clava Lamarck, 1819. — Sowerby (1868).
Unio coccineus Lea, 1838. — Sowerby (1868).
Unio compressa (Lea, 1829). — Sowerby (1868).
Unio concavus Lea, 1852. — Sowerby (1868).
Unio concolor Lea, 1861. — Sowerby (1868).
Unio connasaughensis [sic] (Lea, 1858). — Sowerby (1868).
Unio consanguineus Lea, 1861. — Sowerby (1868).
Unio constrictus Conrad, 1838. — Sowerby (1868).
Unio cordatus ‘Raf.’ Conrad, 1836. — Sowerby (1868).
Unio corrianus Lea, 1834. — Sowerby (1868).
Unio corrientesensis (d’Orbigny, 1835). — Sowerby (1868).
Unio corrugatus (Müller, 1774). — Sowerby (1868).
Unio corvus Lea, 1859. — Sowerby (1868).
Unio costulatus Moricand, 1858. — Sowerby (1868).
Unio couchianus (Lea, 1860). — Sowerby (1868).
Unio crassidens Lamarck, 1819. — Sowerby (1868).
Unio crassus Say, 1817. — Sowerby (1868).
Unio crebristriatus (Anthony, 1865). — Sowerby (1868).
Unio cuprinus Lea, 1831. — Sowerby (1868).
Unio curreyana [sic] (Lea, 1840). — Sowerby (1868).
Unio dariensis Lea, 1842. — Sowerby (1868).
Unio decoratus Lea, 1852. — Sowerby (1868).
Unio decumbens Lea, 1861. — Sowerby (1868).
Unio dehiscens Say, 1829. — Sowerby (1868).
Unio deltoideus (Lea, 1838). — Sowerby (1868).
Unio depressa d’Orbigny, 1835. — Sowerby (1868).
Unio digitiformis Sowerby, 1868. — Sowerby (1868).
Unio discus Lea, 1838. — Sowerby (1868).
Unio downei [sic] Lea, 1858. — Sowerby (1868).
Unio dunkerianus Lea, 1856. — Sowerby (1868).
Unio duttonianus Lea, 1841. — Sowerby (1868).
Unio d’orbignianus [sic] Deville & Hupé, 1850. — Sowerby (1868).
Unio ebenus Lea, 1831. — Sowerby (1868).
Unio elegans Lea, 1831. — Sowerby (1868).
Unio ellipsis Lea, 1828. — Sowerby (1868).
Unio ellipticus Spix. — Sowerby (1868).
Unio elongatulus ‘Mühlf.’ Rossmässler, 1835. — Sowerby (1868).
Unio elongatus Lamarck, 1819. — Sowerby (1868).
Unio emarginatus Lea, 1834. — Sowerby (1868).
Unio excavatus Lea, 1857. — Sowerby (1868).
Unio eximius Lea, 1856. — Sowerby (1868).
Unio fabula (Lea, 1838). — Sowerby (1868).
Unio falcatus (Gould, 1850). — Sowerby (1868).
Unio fallax Lea, 1857. — Sowerby (1868).
Unio famelicus Gould, 1850. — Sowerby (1868).
Unio favosus Lea, 1856. — Sowerby (1868).
Unio folliculatus Lea, 1838. — Sowerby (1868).
Unio fontaineanus [sic] d’Orbigny, 1843. — Sowerby (1868).
Unio forbesianus Lea, 1852. — Sowerby (1868).
Unio fossiculiferus (d’Orbigny, 1835). — Sowerby (1868).
Unio fulvus Lea, 1834. — Sowerby (1868).
Unio gesnerii Lea, 1874. — Sowerby (1868).
Unio gibbosus Barnes, 1823. — Sowerby (1868).
Unio glaber Lea, 1838. — Sowerby (1868).
Unio glebulus Say, 1831. — Sowerby (1868).
Unio gratus Lea, 1860. — Sowerby (1868).
Unio griffithianus Lea, 1834. — Sowerby (1868).
Unio guarayana d’Orbigny, 1835. — Sowerby (1868).
Unio heermanni Lea, 1862. — Sowerby (1868).
Unio higginsii Lea, 1857. — Sowerby (1868).
Unio hochstetteri Dunker, 1862. — Sowerby (1868).
Unio holstonianus [sic] (Lea, 1838). — Sowerby (1868).
Unio hopetownensis [sic] Lea, 1838. — Sowerby (1868).
Unio houstonensis Lea, 1859. — Sowerby (1868).
Unio hylaeus d’Orbigny, 1835. — Sowerby (1868).
Unio isocardioides (Lea, 1856). — Sowerby (1868).
Unio japanensis Lea, 1859. — Sowerby (1868).
Unio javanus Lea, 1840. — Sowerby (1868).
Unio jayensis var. æquillus [sic] Lea, 1857. — Sowerby (1868).
Unio kirtlandianus Lea, 1834. — Sowerby (1868).
Unio lamarckianus Lea, 1852. — Sowerby (1868).
Unio lamellatus Lea, 1838. — Sowerby (1868).
Unio lampreyanus Baird & Adams, 1867. — Sowerby (1868).
Unio latissimus Sowerby, 1868. — Sowerby (1868).
Unio lazarus Lea, 1852. — Sowerby (1868).
Unio lienosus Conrad, 1834. — Sowerby (1868).
Unio lineatus Lea, 1840. — Sowerby (1868).
Unio lugubris Lea, 1838. — Sowerby (1868).
Unio luteolus Lamarck, 1819. — Sowerby (1868).
Unio lutulentus Gould, 1851. — Sowerby (1868).
Unio macrodon Lea, 1859. — Sowerby (1868).
Unio margaritiferus (Linnaeus, 1758). — Sowerby (1868).
Unio medius Lea, 1861. — Sowerby (1868).
Unio melinus (Conrad, 1838). — Sowerby (1868).
Unio minuanus (d’Orbigny, 1835). — Sowerby (1868).
Unio mouhotianus [sic] (Lea, 1866). — Sowerby (1868).
Unio multiradiatus Lea, 1829. — Sowerby (1868).
Unio multistriatus Lea, 1831. — Sowerby (1868).
Unio natalensis Lea, 1864. — Sowerby (1868).
Unio neglectus Lea, 1841. — Sowerby (1868).
Unio newcombianus Lea, 1856. — Sowerby (1868).
Unio niger Conrad (as of Raf.). — Sowerby (1868).
Unio niloticus Cailliaud, 1827. — Sowerby (1868).
Unio nodulosus (Wood, 1815). — Sowerby (1868).
Unio nux persicus Dunker, 1848. — Sowerby (1868).
Unio nyassensis [sic] Lea, 1864. — Sowerby (1868).
Unio occatus Lea, 1860. — Sowerby (1868).
Unio ochraceus Say, 1817. — Sowerby (1868).
Unio oregonensis Lea, 1852. — Sowerby (1868).
Unio oriens Lea, 1831. — Sowerby (1868).
Unio orientalis Lea, 1840. — Sowerby (1868).
Unio osbecki Philippi, 1844. — Sowerby (1868).
Unio parallelopipedon Lea, 1834. — Sowerby (1868).
Unio parma ‘Benson’ Sowerby, 1868. — Sowerby (1868).
Unio pazii Lea, 1862. — Sowerby (1868).
Unio peguensis Anthony, 1865. — Sowerby (1868).
Unio pellis-lacerti Morelet, 1865. — Sowerby (1868).
Unio peraeformis Lea, 1860. — Sowerby (1868).
Unio perdix Lea, 1834. — Sowerby (1868).
Unio perstriatus Lea, 1852. — Sowerby (1868).
Unio phaseolus Hildreth, 1828. — Sowerby (1868).
Unio pictus Lea, 1834. — Sowerby (1868).
Unio piger Lea, 1860. — Sowerby (1868).
Unio plantii Lea, 1857. — Sowerby (1868).
Unio platyrrhinchoideus [sic] Dupuy, 1849. — Sowerby (1868).
Unio plenus Lea, 1840. — Sowerby (1868).
Unio pliciferus Lea, 1838. — Sowerby (1868).
Unio poeyanus Lea, 1857. — Sowerby (1868).
Unio popei Lea, 1857. — Sowerby (1868).
Unio powellii Lea, 1852. — Sowerby (1868).
Unio prevostianus Lea, 1852. — Sowerby (1868).
Unio propinquus Lea, 1857. — Sowerby (1868).
Unio psammoicus d’Orbigny, 1835. — Sowerby (1868).
Unio pudicus Lea, 1860. — Sowerby (1868).
Unio pugio Benson, 1862. — Sowerby (1868).
Unio pullatus Lea, 1856. — Sowerby (1868).
Unio purpureus Say, 1817. — Sowerby (1868).
Unio pyramidatus Lea, 1831. — Sowerby (1868).
Unio ravistellus Morelet, 1849. — Sowerby (1868).
Unio rectilinearis Sowerby, 1868. — Sowerby (1868).
Unio regularis Lea, 1841. — Sowerby (1868).
Unio reniformis ‘Schmidt’ Rossmässler, 1836. — Sowerby (1868).
Unio reticulatus Moricand, 1858. — Sowerby (1868).
Unio retusus Lamarck, 1819. — Sowerby (1868).
Unio rhomboideus (Lea, 1859). — Sowerby (1868).
Unio riddellii Lea, 1862. — Sowerby (1868).
Unio roanoakensis [sic] Lea, 1838. — Sowerby (1868).
Unio rotundus Spix. — Sowerby (1868).
Unio rowellii Lea, 1859. — Sowerby (1868).
Unio rubellianus [sic] Lea, 1857. — Sowerby (1868).
Unio rufusculus Lea, 1852. — Sowerby (1868).
Unio rusticus Lea, 1856. — Sowerby (1868).
Unio sagittiformis Lea, 1852. — Sowerby (1868).
Unio salwenianus (Gould, 1844). — Sowerby (1868).
Unio sandrii ‘Villa’ Rossmässler, 1844. — Sowerby (1868).
Unio sapotalensis Lea, 1841. — Sowerby (1868).
Unio satur Lea, 1852. — Sowerby (1868).
Unio scobinatus Lea, 1856. — Sowerby (1868).
Unio scutum ‘Benson’ Sowerby, 1868. — Sowerby (1868).
Unio securis Lea, 1829. — Sowerby (1868).
Unio showalterii Lea, 1860. — Sowerby (1868).
Unio siculus (Swainson, 1840). — Sowerby (1868).
Unio sikkimensis Lea, 1859. — Sowerby (1868).
Unio sinuata Lamarck, 1819. — Sowerby (1868).
Unio solisianus d’Orbigny, 1835. — Sowerby (1868).
Unio spatulatus Lea, 1845. — Sowerby (1868).
Unio speciosus Lea, 1862. — Sowerby (1868).
Unio spillmannii [sic] (Lea, 1858). — Sowerby (1868).
Unio spissus Lea, 1859. — Sowerby (1868).
Unio stonensis Lea, 1840. — Sowerby (1868).
Unio stramineus Conrad, 1834. — Sowerby (1868).
Unio striatissimus Anthony, J.G., 1865. — Sowerby (1868).
Unio striatulus Lea, 1857. — Sowerby (1868).
Unio striatus Lea, 1840. — Sowerby (1868).
Unio subangulatus Lea, 1840. — Sowerby (1868).
Unio subtentus Say, 1825. — Sowerby (1868).
Unio subtortus Baird & Adams, 1867. — Sowerby (1868).
Unio swainsoni ‘Hanley’ Sowerby, 1868. — Sowerby (1868).
Unio taitanus [sic] Lea, 1834. — Sowerby (1868).
Unio teretiusculus Philippi, 1847. — Sowerby (1868).
Unio tientsinensis Crosse & Debeaux, 1863. — Sowerby (1868).
Unio tortuosus Sowerby, 1868. — Sowerby (1868).
Unio triangularis Barnes, 1823. — Sowerby (1868).
Unio triangulata (Lea, 1858). — Sowerby (1868).
Unio trigonus Lea, 1831. — Sowerby (1868).
Unio trigonus Lea, 1831. — Sowerby (1868).
Unio trinacris [sic] Lea, 1861. — Sowerby (1868).
Unio troostensis Lea, 1834. — Sowerby (1868).
Unio troostensis Lea, 1834. — Sowerby (1868).
Unio truncatus Swainson, 1823. — Sowerby (1868).
Unio tumidulus Lea, 1856. — Sowerby (1868).
Unio undulatus Say, 1817. — Sowerby (1868).
Unio uruguayensis Lea, 1860. — Sowerby (1868).
Unio variabilis (Maton, 1811). — Sowerby (1868).
Unio vaughanianus Lea, 1838. — Sowerby (1868).
Unio velaris ‘Benson MS’ Hanley, 1856. — Sowerby (1868).
Unio venustus Lea, 1838. — Sowerby (1868).
Unio verrauianus [sic] Lea, 1856. — Sowerby (1868).
Unio verrucosa (Rafinesque, 1820). — Sowerby (1868).
Unio vondembuschii [sic] (Lea, 1840). — Sowerby (1868).
Unio wardii Lea, 1862. — Sowerby (1868).
Unio wheatleyanus Lea, 1856. — Sowerby (1868).
Unio wilsonii Lea, 1859. — Sowerby (1868).
Unio wymanii Lea, 1860. — Sowerby (1868).
Unio wynegungensis [sic] Lea, 1860. — Sowerby (1868).
 
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