MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Sun 12 April 2026
Publication Simpson (1900): species taxonomic opinions
Full Citation
Simpson, C.T. 1900. Synopsis of the naiades, or pearly fresh-water mussels. Proceedings of the United States National Museum 22: 501-1044. https://www.biodiversitylibrary.org/page/32021246.
Taxonomic Opinions
1-300 | 301-600 | 601-900 | 901-1200 | 1201-1459
Dromus caperatus (Lea, 1845) = Dromus dromas
+ Unio abacoides Haldeman, 1846
Dromus dromus [sic] (Lea, 1834) = Dromus dromas
Fossula balzani von Ihering, 1893 = Fossula fossiculifera
Fossula fossiculifera (d’Orbigny, 1835)
Gabillotia euphratica (Bourguignat, 1852) = Pseudodontopsis euphratica
+ Unio churchilleanus Sowerby, 1868
Gabillotia euphratica var. churchillianus (Bourguignat, 1857) = Pseudodontopsis euphratica
+ Monocondyloea rhomboidea Lea, 1859
Gabillotia locardi Servain, 1890 = Anodonta anatina
Gabillotia opperti (Bourguignat, 1856) = Pseudodontopsis euphratica
+ Margaritana euphratica Kobelt, 1886
Gabillotia pseudodopsis (Locard, 1883) = Anodonta anatina
Gibbosula crassa (Wood, 1815)
+ Mya ponderosa Dillwyn, 1817
Glabaris aperta (Rafinesque, 1832)
Glabaris atrovireus [sic] (Philippi, 1848) = Anodontites montezuma
Glabaris bergi (von Ihering, 1893) = Anodontites patagonica
Glabaris brevis (Sowerby, 1870)
Glabaris carinata (Dunker, 1858) = Anodontites tortilis
Glabaris cheeziana (Sowerby, 1867) = Aspatharia chaiziana
Glabaris cornea (Philippi, 1848) = Anodontites montezuma
Glabaris giullaini (‘Recluz’ Adams & Adams, 1857) = Chambardia wahlbergi
Glabaris nicaragua (Philippi, 1848) = Anodontites trapesialis
Glabaris paphos (Rafinesque, 1832)
Glabaris pictus (Swainson, 1841)
Glabaris porcifer (Gray, 1834) = Anodontites patagonica
Glabaris spixii (d’Orbigny, 1835) = Anodontites trapezea
Glabaris tehuantepecensis (Crosse & Fischer, 1894) = Anodontites tehuantepecensis
Glabaris wallisi (Mousson, 1869) = Anodontites trapesialis
Glabaris (s.s.) amazonensis (Lea, 1860) = Anodontites trigona
+ Anodon amazoniensis ‘Lea’ of Authors
Glabaris (s.s.) bridgesii (Lea, 1868) = Anodontites trapesialis
Glabaris (s.s.) crassus (Swainson, 1823) = Anodontites patagonica
Glabaris (s.s.) crispatus (Bruguiere, 1972) = Anodontites crispata
+ Anodonta puberula Gould, 1852
+ Anodon reticulatus Sowerby, 1867
Glabaris (s.s.) cylindraceus (Lea, 1838) = Anodontites cylindracea
Glabaris (s.s.) elongatus (Swainson, 1823) = Anodontites elongata
+ Anodonta solidula Deville & Hupé, 1850
+ Anodonta wheatleyi Lea, 1852
+ Anodon amethystus Sowerby, 1869
+ Anodon dactylus Sowerby, 1867
Glabaris (s.s.) forbesianus (Lea, 1860) = Anodontites trapesialis
Glabaris (s.s.) georginae (Griffith, 1834) = Anodontites trigona
Glabaris (s.s.) glaucus (Valenciennes, 1833) = Anodontites trapesialis + Anodontites crispata
+ Anodon ciconia Gould, 1851
+ Anodonta burroughiana Chenu, 1858
+ Anodon glaucus ‘Valenciennes’ of Authors
+ Anodonta ciconia ‘Gould’ of Authors
+ Anodon glauca Gould, 1850
Glabaris (s.s.) glaucus var. sinaloensis (Crosse & Fischer, 1883) = Anodontites trapesialis
Glabaris (s.s.) granadensis (Lea, 1868) = Anodontites montezuma
Glabaris (s.s.) grijalvae (Morelet, 1884) = Pyganodon globosa
+ Anodonta grijoloae Paetel, 1890
Glabaris (s.s.) hertwigii (von Ihering, 1890) = Anodontites moricandii
Glabaris (s.s.) holtonis (Lea, 1857) = Anodontites elongata
+ Anodon haltonis Sowerby, 1870
Glabaris (s.s.) iheringi (Clessin, 1882) = Anodontites iheringi
Glabaris (s.s.) inæquivalvis [sic] (Lea, 1868) = Anodontites montezuma + Brachyanodon impura
+ Anodonta lenticularis Lea, 1868
+ Anodon glabrus Sowerby, 1870
+ Anodon montezianus Sowerby, 1870
+ Anodonta viridana Clessin, 1876
Glabaris (s.s.) incarum (Philippi, 1869) = Anodontites trigona
Glabaris (s.s.) jewittianus [sic] (Lea, 1868) = Anodontites trapesialis
+ Anodonta jewettii Lea, 1868
Glabaris (s.s.) leotandi [sic] (Guppy, 1864) = Anodontites leotaudi
Glabaris (s.s.) limnoicus (d’Orbigny, 1835) = Anodontites trigona
+ Anodonta lymnoica Chenu, 1858
Glabaris (s.s.) lingulatus (Húpe, 1857) = Anodontites trigona
Glabaris (s.s.) longinus (Spix, 1827) = Mycetopoda siliquosa
Glabaris (s.s.) lucidus (d’Orbigny, 1835) = Anodontites lucida
Glabaris (s.s.) luteolus (Lea, 1858) = Anodontites tortilis
Glabaris (s.s.) membranaceus (Maton, 1811) = Diplodon variabilis
+ Unio membranacea Hanley, 1843
+ Unio subtrapezius Philippi, 1847
Glabaris (s.s.) montezuma (Lea, 1841) = Anodontites montezuma
Glabaris (s.s.) moricandii (Lea, 1860) = Anodontites moricandii + Anodontites trapesialis
+ Anodon exoticus Sowerby, 1867
+ Anodonta angustata Clessin, 1876
Glabaris (s.s.) mortonianus (Lea, 1834) = Anodontites patagonica
Glabaris (s.s.) napoensis (Lea, 1868) = Anodontites crispata
Glabaris (s.s.) patagonicus (Lamarck, 1819) = Anodontites patagonica + Anodontites trapezea
+ Anodon trapezeus Spix in Wagner, 1827
+ Anodonta latomarginata Lea, 1834
+ Anodonta membranacea d’Orbigny, 1846
+ Anodonta solida Küster, 1853
+ Anodonta uruguayensis Lea, 1860
+ Anodonta sinuosa Clessin, 1873
+ Anodonta serpentina Clessin, 1876
Glabaris (s.s.) patagonicus var. felix Pilsbry, 1869 [sic] = Anodontites ferrarisii
Glabaris (s.s.) pazii (Lea, 1866) = Anodontites trapezea
Glabaris (s.s.) philippianus Simpson, 1900 = Anodontites tenebricosa
+ Anodonta subsinuata Philippi, 1869
Glabaris (s.s.) puelchanus (d’Orbigny, 1835) = Anodontites trigona
+ Anodonta obtusula Hupé, 1857
Glabaris (s.s.) radiatus (Spix, 1827) = Anodontites trapesialis
Glabaris (s.s.) rotundus (Spix, 1827) = Anodontites trapezea
+ Anodonta cailliaudii Lea, 1860
+ Anodon caillaudii Sowerby, 1867
Glabaris (s.s.) rubicundus (Lea, 1860) = Anodontites trapezea
Glabaris (s.s.) schomburgianus (Sowerby, 1870) = Anodontites schomburgiana
+ Anodonta schomburgkiana Clessin, 1876
Glabaris (s.s.) simpsonianus Pilsbry, 1896 = Anodontites trapesialis
Glabaris (s.s.) sinuosus (Lamarck, 1819) = Anodontites trapesialis
+ Anodon sinuosis Swainson, 1841
Glabaris (s.s.) sirionis [sic] (d’Orbigny, 1835) = Anodontites patagonica + Anodontites ferrarisii
+ Unio (Anodontes) ferrarisii d’Orbigny, 1835
Glabaris (s.s.) strebelii (Lea, 1868) = Anodontites cylindracea
+ Margaron (Anodonta) strebellii Lea, 1870
Glabaris (s.s.) tortilis (Lea, 1852) = Anodontites tortilis
Glabaris (s.s.) trapesialis (Lamarck, 1819) = Anodontites trapesialis + Leila blainvilliana
+ Anodon giganteus Spix in Wagner, 1827
+ Anodonta trapezialis ‘Lamarck’ of Authors
+ Anodon penicillatus Gray, 1834
+ Anodon susannae Gray in Griffith & Pidgeon, 1833
+ Anodon ciconia Gould, 1851
+ Anodon blainvilleana Sowerby, 1867
+ Iridina trapezialis d’Orbigny, 1835
Glabaris (s.s.) trapesialis var. cygnæformis [sic] (Pilsbry, 1896) = Anodontites trapesialis
Glabaris (s.s.) trapesialis var. exoticus (Lamarck, 1819) = Anodontites trapesialis
Glabaris (s.s.) trapesialis var. moretonianus (Sowerby, 1867) = Anodontites trapesialis
Glabaris (s.s.) trapesialis var. rioplatensis (Sowerby, 1870) = Anodontites trapesialis
+ Anodon ciconia Sowerby, 1870
Glabaris (s.s.) trapesialis var. scriptus (Sowerby, 1867) = Anodontites trapesialis
+ Anodon subsinuatus Sowerby, 1867
+ Anodon areolatus Sowerby, 1867
+ Anodonta bahiensis Clessin, 1873
Glabaris (s.s.) trautwinianus (Lea, 1852) = Anodontites tortilis + Anodontites trigona
+ Margaron (Anodonta) troutwiniana Lea, 1852
+ Anodon ovata Swainson, 1841
+ Anodonta carthagena Simpson, 1900
+ Anodon trautwinianus Sowerby, 1870
Glabaris (s.s.) trigonus (Spix, 1827) = Anodontites trigona
+ Unio (Anodontes) chiquitana d’Orbigny, 1835
+ Anodonta castelnaudii Hupé, 1857
+ Anodonta subrostrata Philippi, 1869
+ Anodonta ucayalensis Philippi, 1869
Glabaris (s.s.) umbonatus (Sowerby, 1870) = Anodontites trapesialis
+ Anodon ciconia Sowerby, 1870
Glabaris (s.s.) weddellii (Húpe, 1857) = Anodontites patagonica
Glabaris (s.s.) wymanii (Lea, 1860) = Anodontites patagonica
Glabaris (sec. Styganodon) bambousearum (Morelet, 1851) = Anodontites cylindracea
Glabaris (sec. Styganodon) clessini (Fischer, 1890) = Anodontites tenebricosa
+ Mycetopus plicatus Clessin, 1882
+ Glabaris nehringi Ihering, 1893
Glabaris (sec. Styganodon) lituratus (Spix, 1827) = Anodontites obtusa
+ Anodon litturatum ‘Spix’ of Authors
Glabaris (sec. Styganodon) obtusus (Spix, 1827) = Anodontites obtusa
Glabaris (sec. Styganodon) pastasanus (Clessin, 1879) = Anodontites tenebricosa
Glabaris (sec. Styganodon) soleniformis (d’Orbigny, 1835) = Anodontites solenidea
+ Anodon solenidea Sowerby, 1867
Glabaris (sec. Styganodon) tenebricosus (Lea, 1834) = Anodontites tenebricosa
+ Anodon tenebrosa Sowerby, 1867
Glabaris (sec. Virgula) ensiformis (Spix, 1827) = Lamproscapha ensiformis
Glabaris (sec. Virgula) falsus Simpson, 1900 = Lamproscapha falsa
Glabaris (sec. Virgula) legumen (von Martens, 1888) = Mycetopoda legumen
Glebula rotundata (Lamarck, 1819) = Glebula rotundata + Cyrtonaias berlandierii
+ Unio suborbiculata Lamarck, 1819
+ Unio glebulus Say, 1831
+ Unio subglobosus Lea, 1834
+ Unio rotundatus Reeve, 1865
+ Unio grandensis Conrad, 1855
Gonidea angulata (Lea, 1838)
+ Anodon feminalis Gould, 1850
+ Anodonta randalli Trask, 1854
+ Anodon biangulata Sowerby, 1869
Grandidieria anceyi Bourguignat, 1885 = Grandidieria burtoni
+ Unio burtoni E.A. Smith, 1881
Grandidieria bourguignati Joubert in Bourguignat, 1888 = Grandidieria burtoni
Grandidieria burtoni (Woodward, 1859)
+ Grandidieria cyrenopsis Bourguignat, 1885
Grandidieria burtoni var. insignis Bourguignat, 1885 = Grandidieria burtoni
Grandidieria burtoni var. servainiana Bourguignat, 1885 = Grandidieria burtoni
Grandidieria burtoni var. sturanyi (von Martens, 1897) = Grandidieria burtoni
Grandidieria callista Bourguignat, 1888 = Grandidieria burtoni
Grandidieria elongata Bourguignat, 1885 = Grandidieria burtoni
Grandidieria giraudi Bourguignat, 1885 = Grandidieria burtoni
Grandidieria gravida Bourguignat, 1885 = Grandidieria burtoni
+ Grandidieria rostrata Bourguignat, 1885
+ Unio rostralis Martens, 1897
Grandidieria incarnata Bourguignat, 1885 = Grandidieria burtoni
Grandidieria locardiana Bourguignat, 1885 = Grandidieria burtoni
Grandidieria mira Bourguignat, 1885 = Grandidieria burtoni
Grandidieria rhynchonella Bourguignat, 1888 = Grandidieria burtoni
Grandidieria rotundata Bourguignat, 1885 = Grandidieria burtoni
Grandidieria smithi Bourguignat, 1885 = Grandidieria burtoni
+ Unio burtoni E.A. Smith, 1881
Grandidieria tanganyicensis (Smith, E.A., 1880) = Grandidieria burtoni
+ Unio tanganikanus Bourguignat, 1883
Grandidieria thomsoni (Smith, E.A., 1880) = Grandidieria burtoni
+ Grandidieria corbicula Bourguignat, 1885
+ Grandidieria granulosa Bourguignat, 1885
+ Grandidieria singularis Bourguignat, 1888
Harmandia somboriensis (Rochebrune, 1881)
Hemilastena ambigua (Say, 1825) = Simpsonaias ambigua
+ Unio hildrethianus Lea, 1834
+ Alasmidonta dubia Ferussac, 1835
Hyria (s.s.) corrugata Lamarck, 1819 = Triplodon corrugatus
+ Triplodon rugosus Spix in Wagner, 1827
+ Mya angulata Wood, 1828
+ Hyria exasperata Sowerby, 1869
Hyria (s.s.) latialata Sowerby, 1869 = Triplodon corrugatus
Hyria (s.s.) rugosissima Sowerby, 1869 = Triplodon corrugatus
Hyria (s.s.) transversa Húpe, 1857 = Triplodon corrugatus
Hyria (Triquetrana) stevensi (Lea, 1871) = Triplodon corrugatus
Hyriopsis (Caudiculatus) caudiculatus (von Martens, 1866) = Caudiculatus caudiculatus
+ Unio infrarostratus Schepman, 1896
Hyriopsis (s.s.) bialatus Simpson, 1900 = Hyriopsis bialata
+ Unio delphinus Gruner, 1841
+ Unio megapterus Morelet, 1864
+ Unio delphinus Lea, 1840
Hyriopsis (s.s.) cumingii (Lea, 1852) = Sinohyriopsis cumingii
Hyriopsis (s.s.) delaportei (Crosse & Fischer, 1876) = Hyriopsis delaportei
Hyriopsis (s.s.) myersianus (Lea, 1856) = Hyriopsis myersiana
+ Unio housei Lea, 1856
Hyriopsis (s.s.) pinchonianus (Heude, 1883) = Ptychorhynchus murinum
Hyriopsis (s.s.) schlegeli (von Martens, 1861) = Sinohyriopsis schlegelii
Hyriopsis (s.s.) sutrangensis (Morlet, 1889) = Hyriopsis myersiana
Hyriopsis (s.s.) vagulus (Fischer, 1891) = Pseudodon vagulus + Pseudodon vondembuschianus
+ Unio subtrigonus Sowerby, 1867
+ Unio lamellatus Hanley & Theobald, 1870
Hyriopsis (s.s.) velthuzeni [sic] (Schepman, 1895) = Hyriopsis velthuizeni
Iheringella balzani (von Ihering, 1893) = Haasica balzani
Iheringella isocardioides (Lea, 1856) = Iheringella isocardiodes
+ Plagiodon isocardiodes Lea, 1856
Iheringella rotundata (Mousson, 1869) = Monocondylaea paraguayana
Iheringella semisulcata (Adams, H., 1870)
Lamellidens (s.s.) canefrianus Simpson, 1900 = Trapezidens dolichorhynchus
+ Unio protensus Tapparone Canefri, 1889
Lamellidens (s.s.) consobrinus (Lea, 1859) = Lamellidens generosus
+ Unio corbeti Deschamps, 1892
Lamellidens (s.s.) corrianus (Lea, 1834) = Lamellidens corrianus
Lamellidens (s.s.) exanthematicus (Küster, 1861) = Pressidens exanthematicus
Lamellidens (s.s.) generosus (Gould, 1847) = Lamellidens generosus
+ Unio lamellatus Sowerby, 1868
Lamellidens (s.s.) jenkinsianus (Benson, 1862) = Lamellidens jenkinsianus
Lamellidens (s.s.) lamellatus (Lea, 1838) = Lamellidens lamellatus
+ Unio layardii Lea, 1859
Lamellidens (s.s.) marginalis (Lamarck, 1819) = Lamellidens marginalis
+ Unio anodontina Lamarck, 1819
+ Unio groenlandicus Schröter, 1779
+ Unio testudinarius Spengler, 1793
+ Symphynota bilineata Lea, 1831
+ Unio evanescens Mousson, 1849
Lamellidens (s.s.) marginalis var. candaharicus (Hanley & Theobald, 1876) = Lamellidens candaharicus
Lamellidens (s.s.) marginalis var. cylindricus (Hanley & Theobald, 1876) = Lamellidens marginalis
Lamellidens (s.s.) marginalis var. hanleyi Simpson, 1900 = Lamellidens marginalis
+ Unio marginalis var. corriana Hanley & Theobald, 1872
Lamellidens (s.s.) marginalis var. obesus (Hanley & Theobald, 1876) = Trapezidens dolichorhynchus + Lamellidens marginalis
+ Unio corrianus Sowerby, 1868
Lamellidens (s.s.) marginalis var. tricolor (Küster, 1856) = Lamellidens generosus
Lamellidens (s.s.) pulcher (Tapparone Canefri, 1889) = Lamellidens generosus
Lamellidens (s.s.) scutum (Sowerby, 1868) = Trapezidens scutum
Lamellidens (s.s.) thwaitesii (Lea, 1859) = Lamellidens marginalis
+ Unio consobrinus Hanley & Theobald, 1872
+ Unio thwaitesii Hanley & Theobald, 1872
Lamellidens (Spathopsis) guillaini (Récluz, 1850) = Chambardia wahlbergi
Lampsilis argyratus Rafinesque, 1831 = Indonaia caerulea
Lampsilis fasciola Rafinesque, 1820
Lampsilis fulgens Rafinesque, 1831
Lampsilis (Carunculina) corvunculus (Lea, 1868) = Toxolasma corvunculus
Lampsilis (Carunculina) cromwellii (Lea, 1865) = Toxolasma paulum
+ Unio marginis Lea, 1865
Lampsilis (Carunculina) cylindrellus (Lea, 1868) = Toxolasma cylindrellus
Lampsilis (Carunculina) germanus (Lea, 1861) = Toxolasma germanum + Toxolasma granulatum
+ Unio granulatus Lea, 1861
Lampsilis (Carunculina) glans (Lea, 1831) = Toxolasma glans + Venustaconcha trabalis
+ Unio glans Conrad, 1836
Lampsilis (Carunculina) haleianus (Lea, 1843) = Leaunio lienosus
Lampsilis (Carunculina) mearnsi Simpson, 1900 = Toxolasma texasiense
Lampsilis (Carunculina) mœstus (Lea, 1841) = Toxolasma lividum + Venustaconcha trabalis
+ Unio maestus Küster, 1861
+ Unio maestus ‘Lea’ of Authors
Lampsilis (Carunculina) parvus (Barnes, 1823) = Toxolasma parvum
Lampsilis (Carunculina) paulus (Lea, 1840) = Toxolasma paulum
+ Unio corvinus Lea, 1868
Lampsilis (Carunculina) pullus (Conrad, 1838) = Toxolasma pullus
Lampsilis (Carunculina) texasensis [sic] Lea = Toxolasma texasiense
+ Unio parvus ‘Barnes’ of Authors
+ Unio bairdianus Lea, 1857
+ Unio bealei Lea, 1862
+ Unio texasianus Sowerby, 1866
Lampsilis (Proptera) alabamensis (Conrad, 1834) = Potamilus inflatus
+ Symphynota inflata Lea, 1831
Lampsilis (Proptera) alatus (Say, 1816) = Potamilus alatus
+ Metaptera megaptera Rafinesque, 1820
Lampsilis (Proptera) alatus var. poulsoni (Conrad, 1834) = Potamilus purpuratus + Potamilus inflatus
+ Unio inflatus Conrad, 1836
Lampsilis (Proptera) alienigenus (Crosse & Fischer, 1893) = Mesonaias umbrosa
Lampsilis (Proptera) amphichaenus (Frierson, 1898) = Potamilus amphichaenus
Lampsilis (Proptera) aztecorum (Philippi, 1847) = Nephronaias aztecorum
Lampsilis (Proptera) berlandierii (Lea, 1857) = Cyrtonaias berlandierii
Lampsilis (Proptera) coloradoensis (Lea, 1856) = Potamilus purpuratus
Lampsilis (Proptera) delphinulus (Morelet, 1849) = Delphinonaias largillierti
Lampsilis (Proptera) explicatus (Morelet, 1849) = Mesonaias explicata
+ Margaron (Unio) semigranosus Lea, 1870
+ Unio explicatus Fischer & Crosse, 1894
Lampsilis (Proptera) gouldii (Lea, 1845) = Leaunio lienosus
Lampsilis (Proptera) gracilis (Barnes, 1823) = Potamilus fragilis
+ Unio fragilis ‘Rafinesque’ of Authors
+ Mya plana Eaton, 1826
+ Unio (Niaa) atrata Swainson, 1823
Lampsilis (Proptera) laevissimus (Lea, 1829) = Potamilus ohiensis
+ Unio ohiensis Say, 1834
+ Unio discoideus Sowerby, 1866
Lampsilis (Proptera) largillierti (Philippi, 1847) = Delphinonaias largillierti
Lampsilis (Proptera) leptodon (Rafinesque, 1820) = Potamilus leptodon
+ Anodon purpurascens Swainson, 1823
+ Unio velum Say, 1829
+ Symphynota tenuissima Lea, 1829
+ Unio leptodon Conrad, 1836
Lampsilis (Proptera) lividus Simpson, 1900 = Mesonaias explicata
+ Unio testudineus Reeve, 1865
Lampsilis (Proptera) metallicus (Say, 1831) = Popenaias metallica
+ Unio cuprinus Lea, 1831
+ Unio aereus Reeve, 1865
+ Unio cuprinus Sowerby, 1868
Lampsilis (Proptera) paludosus (Morelet, 1849) = Delphinonaias largillierti
Lampsilis (Proptera) permiscens (Lea, 1859) = Potamilus purpuratus
Lampsilis (Proptera) planivalvis (Morelet, 1851) = Delphinonaias largillierti
Lampsilis (Proptera) purpuratus (Lamarck, 1819) = Potamilus purpuratus
+ Unio ater Lea, 1829
+ Unio lugubris Say, 1832
+ Unio poulsoni Sowerby, 1866
+ Unio dolosus Lea, 1860
+ Unio atra Deshayes, 1832
+ Unio dolosus Sowerby, 1866
Lampsilis (Proptera) rovirosai (Pilsbry, 1900) = Mesonaias explicata
Lampsilis (Proptera) saladoensis (Lea, 1860) = Cyrtonaias berlandierii
Lampsilis (Proptera) scutulatus (Morelet, 1849) = Delphinonaias scutulata
Lampsilis (Proptera) tampecoensis [sic] (Lea, 1838) = Mesonaias tampicoensis + Cyrtonaias berlandierii
+ Unio heermannii Lea, 1861
Lampsilis (Proptera) tecomatensis (Lea, 1841) = Mesonaias tampicoensis
Lampsilis (Proptera) umbrosus Lea, 1856 = Mesonaias umbrosa + Actinonaias medellina
+ Unio veracruzensis Lea, 1868
Lampsilis (s.s.) altilis Conrad = Hamiota altilis
Lampsilis (s.s.) biangulatus Lea = Ortmanniana pectorosa
+ Unio biangularis Lea, 1840
Lampsilis (s.s.) binominatus Simpson = Lampsilis binominata
+ Unio lineatus Lea, 1840
Lampsilis (s.s.) capax Green = Potamilus capax
+ Symphynota globosa Lea, 1834
Lampsilis (s.s.) cariosus Say = Lampsilis cariosa + Lampsilis cardium
+ Unio ovata Lamarck, 1819
+ Unio oratus Conrad, 1849
+ Unio viridis Ferussac, 1835
+ Unio cariosus De Kay, 1843
+ Unio ovata Valenciennes, 1827
Lampsilis (s.s.) clarkianus Lea = Hamiota altilis + Hamiota perovalis
+ Unio spillmanii Lea, 1861
Lampsilis (s.s.) excavatus Lea = Lampsilis ornata
+ Unio ovatus var. ornatus Conrad, 1835
Lampsilis (s.s.) multiradiatus Lea = Lampsilis fasciola
+ Unio fasciolus ‘Rafinesque’ of Authors
+ Unio perradiatus Lea, 1858
+ Unio altilis Reeve, 1865
+ Unio perovalis Sowerby, 1866
Lampsilis (s.s.) ochraceus Say = Atlanticoncha ochracea
+ Unio crocatus Lea, 1841
+ Unio rosaceus Conrad, 1849
+ Unio troostensis Sowerby, 1866
+ Unio affinis Sowerby, 1868
Lampsilis (s.s.) ovatus Say = Lampsilis ovata
+ Unio ovata Lamarck, 1819
Lampsilis (s.s.) splendidus Lea = Lampsilis splendida
+ Unio regularis Sowerby, 1866
Lampsilis (s.s.) ventricosus Barnes = Lampsilis cardium + Lampsilis fasciola
+ Unio radiatus Hildreth, 1828
+ Unio occidens Lea, 1829
+ Unio subovatus Lea, 1831
+ Unio cardium Conrad, 1834
+ Unio fasciolus Ferussac, 1835
+ Unio lenis Conrad, 1838
+ Unio canadensis Lea, 1857
+ Unio dolabraeformis Sowerby, 1867
+ Unio subovatus Sowerby, 1868
+ Unio ovatus ‘Say’ of Authors
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Lampsilis (sec. Eurynia) amygdalum Lea = Villosa amygdalum
+ Unio lepidus Gould, 1856
Lampsilis (sec. Eurynia) anodontoides Lea = Lampsilis teres
+ Unio teres ‘Rafinesque’ of Authors
+ Lampsilis anodontoides F.C. Baker, 1898
Lampsilis (sec. Eurynia) borealis A.F. Gray = Lampsilis radiata
Lampsilis (sec. Eurynia) camelopardilis Lea = Cambarunio taeniatus
+ Unio fucatus Lea, 1860
Lampsilis (sec. Eurynia) claibornensis Lea = Lampsilis straminea
+ Unio obtusus Lea, 1840
+ Unio pallescens Lea, 1845
+ Unio clairbornensis Sowerby, 1868
Lampsilis (sec. Eurynia) concestator Lea = Leaunio lienosus + Villosa delumbis
+ Unio intercedens Lea, 1857
+ Unio fallax Lea, 1857
+ Unio contiguus Lea, 1861
+ Unio bicaelatus Reeve, 1865
+ Unio genuinus Lea, 1868
Lampsilis (sec. Eurynia) constrictus Conrad = Venustaconcha constricta
+ Unio genthii Lea, 1857
Lampsilis (sec. Eurynia) ellipsiformis Conrad = Venustaconcha ellipsiformis
+ Unio spatulatus Lea, 1845
Lampsilis (sec. Eurynia) fallaciosus (Smith) Simpson = Lampsilis teres
+ Unio anodontoides Reeve, 1865
+ Lampsilis anodontoides F.C. Baker, 1898
+ Unio oriens Sowerby, 1868
Lampsilis (sec. Eurynia) fatuus Lea = Cambarunio iris + Cambarunio dactylus
+ Unio dactylus Lea, 1840
Lampsilis (sec. Eurynia) gracilior Lea = Villosa vibex + Leaunio lienosus
+ Unio obfuscus Lea, 1857
+ Unio gracillior Lea, 1858
Lampsilis (sec. Eurynia) hydianus Lea = Lampsilis hydiana + Hamiota perovalis
+ Unio placitus Lea, 1852
+ Unio hydianus Küster, 1861
Lampsilis (sec. Eurynia) iris Lea = Cambarunio iris
+ Unio creperus Lea, 1838
+ Unio cresserus Hanley, 1843
+ Unio novieboraci Lea, 1838
+ Unio radiatus De Kay, 1843
+ Unio subrostratus Küster, 1861
+ Unio subrostratus Reeve, 1864
+ Unio opalinus J.G. Anthony, 1866
Lampsilis (sec. Eurynia) kirklandianus S.H. Wright = Hamiota subangulata
Lampsilis (sec. Eurynia) lienosus Conrad = Leaunio lienosus
+ Unio saxeus Conrad, 1838
+ Unio caliginosus Lea, 1845
+ Unio fontanus Conrad, 1866
Lampsilis (sec. Eurynia) ligamentinus Lamarck = Ortmanniana ligamentina + Lampsilis fasciola
+ Unio crassus Say, 1817
+ Unio ellipticus Barnes, 1823
+ Unio carinatus Barnes, 1823
+ Unio ellipsarius Say, 1834
+ Unio fasciatus Conrad, 1835
+ Mya gravis Wood, 1828
+ Unio delodontus Sowerby, 1867
+ Unio crassidens Sowerby, 1868
+ Unio pictus Sowerby, 1868
+ Unio venustus Sowerby, 1868
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Lampsilis (sec. Eurynia) ligamentinus var. gibbus Simpson = Elliptio crassidens + Ortmanniana ligamentina
+ Unio crassus Sowerby, 1868
Lampsilis (sec. Eurynia) luteolus Lamarck = Lampsilis radiata + Lampsilis siliquoidea
+ Unio inflatus Barnes, 1823
+ Unio siliquoideus Barnes, 1823
+ Unio childreni Hanley, 1843
+ Unio hydianus Küster, 1861
+ Unio distans J.G. Anthony, 1865
+ Unio affinis Sowerby, 1868
+ Unio multiradiatus Sowerby, 1868
+ Unio siliquoides Küster, 1848
+ Unio luteolus Sowerby, 1868
Lampsilis (sec. Eurynia) minor Lea = Toxolasma paulum
+ Unio stearnsii B.H. Wright, 1888
Lampsilis (sec. Eurynia) modioliformis Lea = Villosa vibex + Villosa delumbis
+ Unio tenerus Ravenel, 1834
+ Unio delumbis Küster, 1861
+ Margarita (Unio) tenerus Lea, 1836
Lampsilis (sec. Eurynia) mühlfeldianus Lea = Cambarunio dactylus
+ Unio (Hyridella) muehlfeldtianus Adams & Adams, 1857
Lampsilis (sec. Eurynia) nasutus Say = Sagittunio nasutus
+ Unio rostrata Valenciennes, 1827
+ Unio vaughanianus Sowerby, 1868
+ Unio nasutus Conrad, 1838
Lampsilis (sec. Eurynia) nebulosus Conrad = Cambarunio nebulosus + Cambarunio simus + Cambarunio iris + Cambarunio jonesii + Leaunio lienosus
+ Unio cumberlandicus Lea, 1838
+ Margaron (Unio) cumberlandianus Lea, 1852
+ Unio notatus Lea, 1838
+ Unio glaber Lea, 1838
+ Unio radians Lea, 1857
+ Unio jonesii Lea, 1859
+ Unio discrepans Lea, 1860
+ Unio scitulus Lea, 1860
+ Unio linguaeformis Lea, 1860
+ Unio perpictus Lea, 1860
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Lampsilis (sec. Eurynia) nigerrimus Lea = Leaunio lienosus
+ Unio fuligo Reeve, 1865
Lampsilis (sec. Eurynia) obscurus Lea = Cambarunio iris
+ Unio zeiglerianus Lea, 1838
Lampsilis (sec. Eurynia) ogeecheensis Conrad = Villosa delumbis + Villosa vibex + Leaunio lienosus
+ Unio prevostianus Lea, 1852
+ Unio proximus Lea, 1852
+ Unio tenerus Simpson, 1892
Lampsilis (sec. Eurynia) orbiculatus Hildreth = Obovaria subrotunda + Lampsilis abrupta
+ Unio abruptus Say, 1831
+ Margarita (Unio) orbiculatus Lea, 1836
+ Unio cyclips Ferussac, 1835
+ Unio crassus Conrad, 1836
Lampsilis (sec. Eurynia) perdix Lea = Ortmanniana pectorosa
+ Unio pectorosus Conrad, 1834
Lampsilis (sec. Eurynia) perpurpureus Lea = Venustaconcha trabalis
+ Unio troostensis Sowerby, 1868
Lampsilis (sec. Eurynia) pictus Lea = Cambarunio taeniatus
+ Unio lindsleyi Lea, 1860
+ Unio camelopardalis ‘Lea’ of Authors
Lampsilis (sec. Eurynia) proprius Lea = Leaunio umbrans + Leaunio vanuxemensis
+ Unio striatus Sowerby, 1868
Lampsilis (sec. Eurynia) puniceus Haldeman = Cambarunio iris
Lampsilis (sec. Eurynia) radiatus Gmelin = Lampsilis radiata + Elliptio complanata + Atlanticoncha ochracea + Unio crassus + Lampsilis cariosa
+ Unio virginiana Lamarck, 1819
+ Unio lineata Bory de St. Vincent, 1827
+ Unio elongata Goodrich, 1859
+ Unio tenebrosus Conrad, 1834
+ Unio melinus Conrad, 1838
+ Unio mellinus ‘Conrad’ of Authors
+ Unio boydianus Lea, 1840
+ Unio crassus Küster, 1854
+ Unio oblongatus Wood, 1828
+ Unio obliquiradiatus Reeve, 1865
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Lampsilis (sec. Eurynia) rectus Lamarck = Ligumia recta
+ Unio (Eurynia) latissima Rafinesque, 1820
+ Unio praelongus Barnes, 1823
+ Unio sageri Conrad, 1836
+ Unio arquatus Conrad, 1854
Lampsilis (sec. Eurynia) simus Lea = Cambarunio simus
+ Unio notatus Conrad, 1853
+ Unio spatulatus Sowerby, 1868
+ Unio proximus Küster, 1861
Lampsilis (sec. Eurynia) subangulatus Lea = Hamiota subangulata
+ Unio fasciolus Conrad, 1853
Lampsilis (sec. Eurynia) subrostratus Say = Sagittunio subrostratus + Cambarunio iris
+ Unio nashvillianus Lea, 1834
+ Unio mississippiensis Conrad, 1850
+ Unio rutersvillensis Lea, 1859
+ Unio topekaensis Lea, 1868
+ Unio cocoduensis Reeve, 1865
+ Lampsilis nashvillensis ‘Lea’ of Authors
+ Unio subrostratus Küster, 1861
Lampsilis (sec. Eurynia) sudus Lea = Villosa vibex + Villosa delumbis
+ Unio concavus Lea, 1852
Lampsilis (sec. Eurynia) tæniatus Conrad = Cambarunio taeniatus
+ Unio menkianus Lea, 1838
+ Unio pulcher Lea, 1838
+ Unio interruptus Lea, 1838
+ Unio latiradiatus Conrad, 1838
+ Unio tennesseensis Lea, 1840
+ Unio perdix Reeve, 1864
+ Unio taniatus Simpson, 1900
Lampsilis (sec. Eurynia) tener Lea = Cambarunio iris + Lampsilis straminea
+ Unio regularis Lea, 1841
+ Unio regularis Sowerby, 1868
Lampsilis (sec. Eurynia) trabalis Conrad = Venustaconcha trabalis + Venustaconcha troostensis
+ Unio troostensis Lea, 1834
+ Unio troostii ‘Lea’ of Authors
+ Unio vanuxemensis Sowerby, 1866
Lampsilis (sec. Eurynia) vanuxemensis Lea = Leaunio vanuxemensis + Leaunio umbrans + Cambarunio iris
+ Margaron (Unio) vanuxemii ‘Lea’ of Authors
+ Unio nitens Lea, 1840
+ Unio umbrans Lea, 1857
+ Unio tenebricus Lea, 1857
+ Unio pybasii Lea, 1858
+ Unio fabaceus Lea, 1861
+ Unio copei Lea, 1868
+ Unio dispansus Lea, 1871
+ Unio umbrosus Lea, 1857
Lampsilis (sec. Eurynia) vibex Conrad = Villosa vibex + Leaunio lienosus
+ Unio exiguus Lea, 1840
+ Unio stagnalis Conrad, 1849
+ Unio rutilans Lea, 1857
+ Unio subellipsis Lea, 1857
+ Unio prevostianus Sowerby, 1868
+ Unio subangulatus Sowerby, 1868
Lampsilis (sec. Eurynia) vibex var. nigrinus Lea = Villosa vibex
+ Unio floridensis Wright & Wright, 1888
+ Unio averellii B.H. Wright, 1888
Lampsilis (sec. Eurynia) villosus B.H. Wright = Villosa villosa
Lastena lata (Rafinesque, 1820) = Hemistena lata
+ Unio dehiscens Say, 1829
+ Unio oriens Lea, 1831
+ Unio hildrethi Delessert, 1841
Leguminaia (s.s.) locardi Simpson, 1900 = Leguminaia saulcyi
+ Pseudodon chantrei Locard, 1883
Leguminaia (s.s.) mardinensis (Lea, 1865) = Leguminaia wheatleyi
Leguminaia (s.s.) mardinensis var. chantrei Locard, 1883 = Leguminaia wheatleyi
+ Monocondylaea chantreyi Paetel, 1890
+ Leguminaia bourguignati Locard, 1883
Leguminaia (s.s.) michonii (Bourguignat, 1852) = Leguminaia saulcyi
Leguminaia (s.s.) saulcyi (Bourguignat, 1852) = Leguminaia saulcyi
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