Sowerby, G.B. 1866. Monograph of the Genus Unio. Conchologica Iconica, or Illustrations of the shells of molluscous animals 16: pls. 31-54. Available electronically.
Sowerby, 1866. Conch. Icon. 16: pl. 36, sp. 194 [as ‘ahæneus’].
(error for Unio aheneus Lea, 1843)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 37, sp. 204.
(misidentified reference to Unio argenteus Lea, 1841)

‘Swainson’ Sowerby, 1866. Conch. Icon. 16: pl. 45, sp. 245.
(reference to Unio auratus Philippi, 1847)
Type(s): FIGURED SPECIMEN BMNH_1968864, (South America).
‘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)

Sowerby, 1866. Conch. Icon. 16: pl. 42, sp. 231.
Type(s): LECTOTYPE BMNH_1965148, Camboja.
‘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)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 53, sp. 275; errata [changed to ‘U. laevissimus Lea’].
(misidentified reference to Symphynota discoidea Lea, 1834)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 41, sp. 228.
(reference to Unio dolosus Lea, 1860)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 39, sp. 214.
(misidentified reference to Unio donaciformis Lea, 1828)
‘Dunker’ Sowerby, 1866. Conch. Icon. 16: pl. 46, sp. 248.
(misidentified reference to Unio gundlachi Dunker, 1858)
‘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)
Sowerby, 1866. Conch. Icon. 16: pl. 35, sp. 188.
(error for Unio hazlehurstianus Lea, 1858)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 37, sp. 203.
(error for Unio hydianus Lea, 1838)

Sowerby, 1866. Conch. Icon. 16: pl. 40, sp. 222.
Type(s): HOLOTYPE BMNH_1965195, India.
‘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)
‘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)
Sowerby, 1866. Conch. Icon. 16: pl. 41, sp. 224, figs. 224a-b [changed in errata to ‘nyssensis’].
‘Conrad’ Sowerby, 1866. Conch. Icon. 16: pl. 31, sp. 162.
(reference to Unio ovatus var. ornatus Conrad, 1835)
‘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)
‘Conrad’ Sowerby, 1866. Conch. Icon. 16: pl. 38, sp. 209.
(misidentified reference to Unio perovalis Conrad, 1834)
“Say” Sowerby, 1866. Conch. Icon. 16: pl. 54, sp. 280.
(reference to Dipsas plicatus Leach, 1814)
‘Conrad’ Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 270.
(reference to Unio poulsoni Conrad, 1834)

‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 36, sp. 198.
(reference to Unio pumilus Lea, 1838)
Type(s): BMNH_1965150, Loc._ ?
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 34, sp. 181.
(misidentified reference to Unio regularis Lea, 1841)

‘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._ ?

Sowerby, 1866. Conch. Icon. 16: pl. 48, sp. 258.
Type(s): SYNTYPES BMNH_1968658, Lao Mountains, Camboja.
‘d’Orbigny’ Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 268.
(error for Unio solisiana d’Orbigny, 1835)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 37, sp. 201.
(misidentified reference to Unio subrotundus Lea, 1831)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 33, sp. 174.
(reference to Unio succissus Lea, 1852; error for Unio succissus Lea, 1852)

‘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.
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 40, sp. 218.
(error for Unio texasiensis Lea, 1857)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 38, sp. 210.
(homonym of Unio troostensis Lea, 1834)
Sowerby, 1866. Conch. Icon. 16: pl. 41, sp. 225.
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 39, sp. 216.
(misidentified reference to Unio vanuxemensis Lea, 1838)
‘Barnes’ Sowerby, 1866. Conch. Icon. 16: pl. 43, sp. 235.
(reference to Unio ventricosus Barnes, 1823)
‘Lea MS’ Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 269 [as ‘Unio Von Buschea’].
‘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)
Unio acutissimus Lea, 1831 = Medionidus acutissimus
Unio alatus Say, 1817 = Potamilus alatus
Unio anaticulus Lea, 1861 = Pleurobema decisum
Unio arcula (Lea, 1838) = Alasmidonta arcula
Unio auratus ‘Swainson’ Sowerby, 1866 = Diplodon chilensis
Unio barnesianus Lea, 1838 = Pleuronaia barnesiana
Unio batava Lamarck = Unio crassus
Unio bialatus (Lea, 1829) = Cristaria plicata
Unio bigbyensis Lea, 1841 = Pleuronaia barnesiana
Unio blandingianus Lea, 1834 = Uniomerus carolinianus
Unio buckleyi Lea, 1841 = Elliptio jayensis
Unio burtoni Woodward, 1859 = Grandidieria burtoni
Unio caeruleus Lea, 1831 = Indonaia caerulea
Unio caffer Krauss, 1848+ Unio africanus Lea, 1856
Unio cambojensis Sowerby, 1866 = Lens micropterus
Unio capax Green, 1832 = Potamilus capax
Unio coarctatus Lamarck, 1819 = Elliptio complanata
Unio collinus Conrad, 1837 = Parvaspina collina
Unio complanatus (Barnes, 1823) = Pterosyna complanata
Unio confertus Lea, 1834 = Elliptio icterina
Unio conradicus Lea, 1834 = Medionidus conradicus
Unio crassus Say = Ortmanniana ligamentina+ Unio ligamentina Lamarck, 1819
+ Unio ellipticus Barnes, 1823
+ Mya gravis Wood, 1828
Unio crispisulcatus Benson, 1862 = Radiatula crispisulcata
Unio cumberlandicus Lea, 1838 = Cambarunio simus
Unio cumingii Lea, 1852 = Sinohyriopsis cumingii
Unio delphinulus Morelet, 1849 = Delphinonaias largillierti
Unio delphinus Gruner, 1841 = Hyriopsis bialata+ Unio tenuis Griffith & Pidgeon, 1833
+ Symphynota magnifica Lea, 1834
Unio discrepans Lea, 1860 = Cambarunio nebulosus
Unio dolabelloides Lea, 1840 = Pleuronaia dolabelloides
Unio douglasiae Gray in Griffith & Pidgeon, 1834 = Nodularia douglasiae+ Unio murchisonianus Lea, 1834
Unio exiguus Lea, 1840 = Villosa vibex
Unio fabalis Lea, 1831 = Paetulunio fabalis
Unio fibuloides Lea, 1859 = Pleurobema fibuloides
Unio foremanianus Lea, 1842 = Ptychobranchus foremanianus
Unio gibber Lea, 1838 = Pleuronaia gibber
Unio glans Lea, 1831 = Toxolasma lividum
Unio gracilis (Barnes, 1823) = Potamilus fragilis
Unio gravidus Lea, 1856 = Physunio superbus
Unio greenii Conrad, 1834 = Ptychobranchus greenii+ Unio persulcatus Lea, 1859
Unio hainesianus Lea, 1856 = Chamberlainia hainesiana
Unio hembeli Conrad, 1838 = Margaritifera hembeli
Unio heterodon Lea, 1829 = Prolasmidonta heterodon
Unio hildrethianus Lea, 1834 = Simpsonaias ambigua
Unio housei Lea, 1856 = Hyriopsis myersiana
Unio indicus Sowerby, 1866 = Parreysia rajahensis
Unio inflatus (Lea, 1831) = Potamilus inflatus
Unio infucatus Conrad, 1834 = Pustulosa infucata
Unio involuta Benson in Hanley, 1856 = Assamnaia involuta
Unio laevissimus (Lea, 1829) = Potamilus ohiensis
Unio lamellatus Lea, 1838 = Lamellidens lamellatus
Unio lanceolatus Lea, 1828 = Elliptio lanceolata
Unio laoensis ‘Lea MS’ = Gibbosula laosensis
Unio lecontianus Lea, 1838 = Elliptio congaraea
Unio lens Lea, 1831 = Obovaria subrotunda
Unio leptodon Rafinesque, 1820 = Potamilus leptodon
Unio lienosus Conrad, 1834 = Leaunio lienosus
Unio lindsleyi Lea, 1860 = Cambarunio taeniatus+ Unio varicosa Lamarck, 1819
+ Unio rugulosus Wood, 1828
Unio medellinus Lea, 1838 = Actinonaias medellina
Unio micans Lea, 1857 = Elliptio icterina
Unio muhlfeldianus Lea, 1838 = Cambarunio dactylus
Unio myersianus Lea, 1856 = Hyriopsis myersiana
Unio negatus Lea, 1861 = Fusconaia cerina
Unio nicklinianus Lea, 1834 = Megalonaias nickliniana
Unio novi-eboraci Lea, 1838 = Cambarunio iris
Unio nyassae Sowerby, 1866 = Nyassunio nyassaensis
Unio obesus Lea, 1831 = Uniomerus carolinianus
Unio olivarius Lea, 1831 = Indonaia olivaria
Unio orbiculatus Hildreth, 1828 = Obovaria subrotunda + Lampsilis abrupta+ Unio abruptus Say, 1831
+ Unio crassus Conrad, 1836
Unio ovatus Say, 1817 = Lampsilis ovata
Unio paraguayana (d’Orbigny, 1835) = Monocondylaea paraguayana
Unio paranensis Lea, 1834 = Diplodon paranensis + Diplodon solisianus+ Unio solisiana d’Orbigny, 1835
Unio pellucidus Lea, 1845 = Villosa vibex
Unio percoarctatus Lea, MS = Elliptio complanata+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio dombeyana Valenciennes, 1827
+ Unio undulatus Barnes, 1823
+ Unio multiplicatus Lea, 1831
Unio plicatus Say [sic] = Cristaria plicata
Unio politus Say, 1834 = Fusconaia subrotunda
Unio postellii Lea, 1858 = Elliptio complanata+ Unio purpurata Lamarck, 1819
+ Unio ater Lea, 1829
+ Unio lugubris Say, 1832
Unio schwerzenbachi Rossmassler = Unio bruguierianus+ Unio fluctiger Lea, 1859
Unio semiquadrata Sowerby, 1866 = Lens eximius
Unio shuttleworthi Lea, 1856 = Alathyria pertexta
Unio soleniformis Lea, 1831 = Cumberlandia monodonta
Unio spinosus Lea, 1836 = Elliptio spinosa
Unio splendidus Lea, 1838 = Lampsilis splendida
Unio stramineus Conrad, 1834 = Lampsilis straminea
Unio stuarti Adams & Angas, 1863 = Velesunio wilsonii
Unio subovatus Lea, 1831 = Lampsilis cardium
Unio subplanum Conrad, 1837 = Fusconaia masoni
Unio swinhoei ‘Reeve’ Sowerby, 1866 = Pletholophus tenuis
Unio tenuissimus (Lea, 1829) = Potamilus leptodon+ Anodon purpurascens Swainson, 1823
+ Unio velum Say, 1829
Unio tortivus Lea, 1840 = Elliptio arctata+ Unio trabalis Conrad, 1834
Unio umbrans Lea, 1857 = Leaunio umbrans
Unio umbrosus Lea, 1856 = Mesonaias umbrosa
Unio valentinus Sowerby, 1866 = Potomida littoralis
Unio ventricosus Barnes, 1823 = Lampsilis cardium
Unio viridis Conrad, 1835 = Platynaias subviridis+ Unio tappanianus Lea, 1838
Unio vonbuschea ‘Lea MS’ = Pseudodon vondembuschianus
Unio zeiglerianus Lea, 1838 = Cambarunio iris