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.
Unio acutissimus Lea, 1831 = Medionidus acutissimus
Unio ahæneus [sic] Lea, 1841 = Elliptio ahenea
Unio alatus Say, 1817 = Potamilus alatus
Unio anaticulus Lea, 1861 = Pleurobema decisum
Unio arcula (Lea, 1838) = Alasmidonta arcula
Unio argenteus Lea, 1841 = Pleurobema oviforme
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 burroughianus Lea, 1834 = Diplodon burroughianus
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 camelopardalis [sic] Lea, 1860 = Cambarunio taeniatus
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 discoidea (Lea, 1834) = Sinanodonta woodiana
+ Unio tenuis Griffith & Pidgeon, 1833
+ Symphynota magnifica Lea, 1834
Unio discoidea (Lea, 1834) = Pletholophus tenuis
Unio discrepans Lea, 1860 = Cambarunio nebulosus
Unio dolabelloides Lea, 1840 = Pleuronaia dolabelloides
Unio dolosus Lea, 1860 = Potamilus purpuratus
Unio donaciformis Lea, 1828 = Truncilla donaciformis
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 glans
Unio gracilis (Barnes, 1823) = Potamilus fragilis
Unio gravidus Lea, 1856 = Physunio superbus
Unio greenii Conrad, 1834 = Ptychobranchus greenii
Unio gundlachi Dunker, 1858 = Actinonaias gundlachi
+ Unio persulcatus Lea, 1859
Unio gundlachi Dunker, 1858 = Nephronaias calamitarum
Unio hainesianus Lea, 1856 = Chamberlainia hainesiana
Unio hanleyanus [sic] Lea, 1852 = Pleurobema hanleyianum
Unio haslehurstianus [sic] Lea, 1858 = Parvaspina lanceolata
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 hydeanus [sic] Lea, 1838 = Lampsilis hydiana
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 = Parvaspina 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 marginatus Lea = Alasmidonta varicosa
+ Unio varicosa Lamarck, 1819
+ Unio rugulosus Wood, 1828
Unio marginatus Lea = Alasmidonta marginata
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 = Lampsilis abrupta
+ Unio abruptus Say, 1831
+ Unio crassus Conrad, 1836
Unio orbiculatus Hildreth, 1828 = Obovaria subrotunda
Unio ornatus Conrad, 1835 = Lampsilis ornata
Unio ovatus Say, 1817 = Lampsilis ovata
Unio paraguayana (d’Orbigny, 1835) = Monocondylaea paraguayana
Unio paranensis Lea, 1834 = Diplodon paranensis
+ Unio solisiana d’Orbigny, 1835
Unio paranensis Lea, 1834 = Diplodon solisianus
Unio parvus Barnes, 1823 = Toxolasma parvum
Unio pellucidus Lea, 1845 = Villosa vibex
Unio percoarctatus Lea, MS = Elliptio complanata
Unio perovalis Conrad, 1834 = Hamiota perovalis
Unio plicatus Say = Amblema plicata
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio dombeyana Valenciennes, 1827
+ Unio undulatus Barnes, 1823
+ Unio multiplicatus Lea, 1831
Unio plicatus Say = Plectomerus dombeyanus
Unio plicatus Say = Megalonaias nervosa
Unio plicatus Say [sic] = Cristaria plicata
Unio politus Say, 1834 = Fusconaia subrotunda
Unio postellii Lea, 1858 = Elliptio complanata
Unio poulsoni Conrad, 1834 = Potamilus purpuratus
+ Unio purpurata Lamarck, 1819
+ Unio ater Lea, 1829
+ Unio lugubris Say, 1832
Unio pumilus Lea, 1838 = Fusconaia masoni
Unio regularis Lea, 1841 = Cambarunio iris
Unio schwerzenbachi Rossmassler = Unio bruguierianus
Unio scobina ‘Benson’ Hanley, 1856
+ Unio fluctiger Lea, 1859
Unio scobina ‘Benson’ Hanley, 1856 = Pseudoscabies scobina
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 subrotundus Lea, 1831 = Fusconaia subrotunda
Unio succisus [sic] Lea, 1852 = Pustulosa succissa
Unio swinhoei ‘Reeve’ Sowerby, 1866 = Pletholophus tenuis
Unio tenuissimus (Lea, 1829) = Potamilus leptodon
+ Anodon purpurascens Swainson, 1823
+ Unio velum Say, 1829
Unio texasianus [sic] Lea, 1857 = Toxolasma texasiense
Unio tortivus Lea, 1840 = Elliptio arctata
Unio troostensis Lea, 1834 = Venustaconcha troostensis
+ Unio trabalis Conrad, 1834
Unio troostensis Lea, 1834 = Venustaconcha trabalis
Unio umbrans Lea, 1857 = Leaunio umbrans
Unio umbrosus Lea, 1856 = Mesonaias umbrosa
Unio valentinus Sowerby, 1866 = Potomida littoralis
Unio vanuxemensis Lea, 1838 = Leaunio vanuxemensis
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
Unio zic-zac [sic] Lea, 1829 = Truncilla donaciformis