Publication Lea (1870): species taxonomic opinions

Lea, I. 1870. A Synopsis of the Family of Naïades (4th ed.). 184 pp. https://www.biodiversitylibrary.org/page/13126525.

Margaron (Unio) layardii (Lea) = Lamellidens lamellatus

Margaron (Unio) lazarus (Lea) = Elliptio arctata

Margaron (Unio) lævissimus (Lea) = Potamilus ohiensis

+ Unio discoideus Sowerby, 1866

Margaron (Unio) leaii (Gray) = Lamprotula leaii

+ Unio nodulosus Reeve, 1864

Margaron (Unio) lecontianus (Lea) = Elliptio congaraea + Lampsilis straminea

+ Unio contrarius Conrad, 1849

Margaron (Unio) legubris [sic] (Lea) = Elliptio icterina

Margaron (Unio) leibii (Lea) = Obovaria subrotunda

Margaron (Unio) lenior (Lea) = Epioblasma lenior

Margaron (Unio) lens (Lea) = Obovaria subrotunda

+ Unio depygis Conrad, 1866

Margaron (Unio) lepidior Lea = Diplodon charruanus

+ Unio lepidus Lea, 1860

Margaron (Unio) lepidus (Gould) = Villosa amygdalum

Margaron (Unio) lesleyi (Lea) = Pleurobema oviforme

Margaron (Unio) lesueurianus (Lea) = Fusconaia subrotunda

Margaron (Unio) lewisii (Lea) = Pleurobema fibuloides

Margaron (Unio) liebmanni (Phili.) = Sphenonaias liebmanni

Margaron (Unio) lienosus (Con.) = Leaunio lienosus

Margaron (Unio) ligamentinus (Lam.) = Ortmanniana ligamentina

+ Unio crassus Say, 1817

+ Unio ellipticus Barnes, 1823

+ Unio carinatus Barnes, 1823

+ Mya gravis Wood, 1828

+ Unio fasciatus Conrad, 1835

Margaron (Unio) limatulus (Con.) = Elliptio icterina

Margaron (Unio) lincecumii (Lea) = Amblema plicata

Margaron (Unio) lindsleyi (Lea) = Cambarunio taeniatus

Margaron (Unio) lineatus (Lea) = Lampsilis binominata

Margaron (Unio) linguæformis (Lea) = Leaunio lienosus

Margaron (Unio) litoralis [sic] (Drap.) = Potomida littoralis + Unio crassus + Unio nanus + Margaritifera margaritifera + Unio tumidus

+ Unio litoralis Pfeiffer, 1821

+ Unio litoralis Mousson, 1861

+ Unio litoralis var. umbonatus Rossmässler, 1844

+ Unio brevialis Lamarck, 1819

+ Unio nana Lamarck, 1819

+ Unio subtetragonus Michaud, 1831

+ Unio incurvus Lea, 1831

+ Unio pianensis Farines in Boubée, 1833

+ Unio granosus Schumacher, 1817

+ Unio brunneus Bonhomme, 1840

6 more...

Margaron (Unio) livingstonensis (Lea) = Elliptio icterina

Margaron (Unio) locellus (Lea) = Diplodon variabilis

Margaron (Unio) lucidus (Lea) = Elliptio icterina

Margaron (Unio) lunifer [sic] (Bourg.) = Unio terminalis

Margaron (Unio) luridus (Lea) = Elliptio arca

Margaron (Unio) luteolus (Lam.) = Lampsilis radiata + Lampsilis siliquoidea

+ Unio siliquoideus Barnes, 1823

+ Unio siliquoides Küster, 1848

+ Unio inflatus Barnes, 1823

+ Unio melinus Conrad, 1838

+ Unio rosaceus De Kay, 1843

Margaron (Unio) luteus (Lea) = Leoparreysia tavoyensis

Margaron (Unio) lutulentus (Gould) = Echyridella menziesii

Margaron (Unio) lyonii (Lea) = Pleuronaia barnesiana

Margaron (Unio) macer (Lea) = Elliptio roanokensis

Margaron (Unio) maconensis (Lea) = Elliptio pullata

Margaron (Unio) macrodon (Lea) = Truncilla macrodon

Margaron (Unio) maculatus (Con.) = Pleuronaia dolabelloides

Margaron (Unio) manubius (Gould) = Uniomerus tetralasmus

Margaron (Unio) mardinensis (Lea) = Unio mardinensis

Margaron (Unio) marginalis (Lam.) = Lamellidens marginalis

+ Unio anodontina Lamarck, 1819

+ Unio evanescens Mousson, 1849

+ Unio testudinarius Spengler, 1793

+ Unio groenlandicus Schröter, 1779

Margaron (Unio) marginis (Lea) = Toxolasma paulum

Margaron (Unio) masoni (Con.) = Fusconaia masoni

Margaron (Unio) mauritianus (Lea) = Simpsonella burroughiana

Margaron (Unio) mecklenbergensis (Lea) = Elliptio complanata

Margaron (Unio) medellinus (Lea) = Actinonaias medellina

+ Unio purpuriatus Say, 1831

Margaron (Unio) mediocris (Lea) = Elliptio mediocris

Margaron (Unio) medius (Lea) = Pleurobema georgianum

Margaron (Unio) melleus (Lea)

Margaron (Unio) membranaceus (Mat.) = Diplodon variabilis

+ Unio membranacea Hanley, 1843

+ Unio matoniana d’Orbigny, 1835

+ Unio subtrapezius Philippi, 1847

Margaron (Unio) menkianus (Lea) = Cambarunio taeniatus

Margaron (Unio) menzieni [sic] (Gray) = Echyridella menziesii

Margaron (Unio) mercerii (Lea) = Elliptio pullata

Margaron (Unio) meredithii (Lea) = Pleuronaia barnesiana

Margaron (Unio) merus (Lea) = Fusconaia masoni

Margaron (Unio) metanevrus (Raf.) = Theliderma metanevra + Quadrula quadrula

+ Unio metanever ‘Rafinesque’ of Authors

+ Unio metaneurus ‘Rafinesque’ of Authors

+ Unio nodosus Barnes, 1823

+ Unio rugosus Barnes, 1823

Margaron (Unio) mexicanus (Phili.)

Margaron (Unio) micans (Lea) = Elliptio icterina

Margaron (Unio) minor (Lea) = Toxolasma paulum

Margaron (Unio) mississippiensis (Con.) = Sagittunio subrostratus

+ Unio cocoduensis Reeve, 1865

Margaron (Unio) modestus (Fer.) = Diplodon paulistus

Margaron (Unio) modicellus (Lea) = Epioblasma othcaloogensis

Margaron (Unio) modicus (Lea) = Pleurobema pyriforme

Margaron (Unio) modioliformis (Lea) = Villosa vibex + Villosa delumbis

+ Unio delumbis Conrad, 1834

Margaron (Unio) mœstus (Lea) = Toxolasma lividum

Margaron (Unio) monodontus (Say) = Cumberlandia monodonta

+ Unio soleniformis Lea, 1831

Margaron (Unio) monroensis (Lea) = Elliptio monroensis

Margaron (Unio) mooresianus (Lea) = Pleuronaia dolabelloides

Margaron (Unio) moreleti (Desh.) = Unio ravoisieri

Margaron (Unio) morotonicus [sic] (Reeve) = Velesunio moretonicus

Margaron (Unio) mosulensis (Lea) = Unio tigridis

Margaron (Unio) moussonianus (Lea) = Elliptio congaraea

Margaron (Unio) mühlfeldianus (Lea) = Cambarunio dactylus

Margaron (Unio) multidentatus (Phili.) = Parreysia corrugata

Margaron (Unio) multiplicatus (Lea) = Megalonaias nervosa

+ Unio heros Say, 1829

+ Unio undulatus Say, 1831

+ Unio atrocostatus Reeve, 1864

Margaron (Unio) multiradiatus (Lea) = Lampsilis fasciola

+ Lampsilis fasciola Rafinesque, 1820

+ Unio fasciolus ‘Rafinesque’ of Authors

+ Unio ligamentinus Deshayes, 1835

Margaron (Unio) mundus (Lea) = Pleurobema oviforme

Margaron (Unio) murchisonianus (Lea) = Nodularia douglasiae

+ Unio douglasiae Griffith & Pidgeon, 1833

Margaron (Unio) murrayensis (Lea) = Pleurobema stabile

Margaron (Unio) mutabilis (Lea) = Hyridella depressa

Margaron (Unio) myersianus (Lea) = Hyriopsis myersiana

Margaron (Unio) mytiloides (Raf.) = Pleurobema clava + Reginaia ebenus + Pleurobema sintoxia

+ Unio (s.s.) mytiloides Swainson, 1840

+ Unio ruber Conrad, 1853

+ Unio caridacea Conrad, 1836

+ Unio obliquus Wood, 1828

Margaron (Unio) nagpoorensis (Lea) = Parreysia nagpoorensis

Margaron (Unio) napeanensis (Con.) = Hyridella australis

+ Unio dorsuosus Gould, 1850

Margaron (Unio) nashvillensis [sic] (Lea) = Sagittunio subrostratus

Margaron (Unio) nasutulus (Lea) = Elliptio nasutidus

Margaron (Unio) nasutus (Say) = Sagittunio nasutus

+ Unio rostrata Valenciennes, 1827

Margaron (Unio) natalensis (Lea) = Unio caffer

Margaron (Unio) naviculoides (Lea) = Parvaspina lanceolata

Margaron (Unio) navigioliformis (Lea) = Cucumerunio novaehollandiae

Margaron (Unio) negatus (Lea) = Fusconaia cerina

Margaron (Unio) neglectus (Lea) = Platynaias subviridis

Margaron (Unio) neislerii (Lea) = Amblema neislerii

Margaron (Unio) neusensis (Lea) = Elliptio complanata

Margaron (Unio) newcombianus (Lea) = Arotonaias cyrenoides

+ Unio sagrinatus Sowerby, 1868

Margaron (Unio) nicaraguensis (Lea) = Arotonaias gabbiana

Margaron (Unio) nicklinianus (Lea) = Megalonaias nickliniana

Margaron (Unio) nigellus (Lea) = Elliptio nigella

Margaron (Unio) nigerrimus (Lea) = Leaunio lienosus

Margaron (Unio) nigrinus (Lea) = Villosa vibex

Margaron (Unio) niloticus (Caill.) = Coelatura aegyptiaca

+ Mya pictorum ‘Forkaël’ of Authors

+ Unio pumilus Lea, 1852

+ Unio parreyssi Philippi, 1848

Margaron (Unio) nitens (Lea) = Leaunio vanuxemensis

Margaron (Unio) nocturnus (Lea) = Diplodon funebralis

Margaron (Unio) northamptonensis (Lea) = Elliptio complanata

Margaron (Unio) notatus (Lea) = Cambarunio simus

Margaron (Unio) novæ hollandiae (Gray) = Cucumerunio novaehollandiae

Margaron (Unio) novi-eboraci (Lea) = Cambarunio iris

+ Unio opalinus J.G. Anthony, 1866

Margaron (Unio) nubilus (Lea) = Elliptio complanata

Margaron (Unio) nucleopsis (Con.) = Pleurobema georgianum

Margaron (Unio) nucleus (Lea) = Scabies nucleus

Margaron (Unio) nuttallianus (Lea) = Indonaia caerulea

Margaron (Unio) nux (Lea) = Pleurobema perovatum

Margaron (Unio) nuxpersicus (Dunk.) = Nodularia nuxpersicae

Margaron (Unio) nyassaensis (Lea) = Nyassunio nyassaensis

+ Unio nyassae Sowerby, 1866

Margaron (Unio) obesus (Lea) = Uniomerus carolinianus

Margaron (Unio) obfuscus (Lea) = Leaunio lienosus

Margaron (Unio) oblatus (Lea) = Elliptio icterina

Margaron (Unio) obliquus (Lam.) = Pleurobema cordatum + Fusconaia flava + Pleurobema sintoxia

+ Unio undatus Barnes, 1823

+ Unio trigonus Say. Con. non Lea of Authors

+ Unio cardiacea Guérin-Méneville, 1823

+ Obovaria cordata Rafinesque, 1820

+ Unio cordatus Conrad, 1836

+ Unio mytiloides Short & Eaton, 1831

Margaron (Unio) obnubilus (Lea) = Elliptio icterina

Margaron (Unio) obscurus (Lea) = Cambarunio iris

Margaron (Unio) obtusus (Lea) = Lampsilis straminea

Margaron (Unio) occatus (Lea) = Indonaia gratiosa

Margaron (Unio) occidens (Lea) = Lampsilis cardium

+ Unio lenis Conrad, 1838

+ Unio cardium Conrad, 1834

Margaron (Unio) occidentalis (Con.) = Ptychobranchus occidentalis

Margaron (Unio) occultus (Lea) = Elliptio occulta

Margaron (Unio) ochraceus (Say) = Atlanticoncha ochracea

+ Unio rosaceus Conrad, 1849

Margaron (Unio) ocmulgéensis (Lea) = Elliptio icterina

Margaron (Unio) olivarius (Lea) = Indonaia olivaria

Margaron (Unio) opacus (Lea) = Elliptio icterina

Margaron (Unio) orbiculatus (Hild.) = Obovaria subrotunda + Lampsilis abrupta

+ Unio abruptus Say, 1831

+ Unio crassus Conrad, 1836

Margaron (Unio) orbignyi (Deville and Hupé) = Castalia orbignyi

Margaron (Unio) oregonensis (Lea)

Margaron (Unio) orientalis (Lea) = Rectidens orientalis

+ Unio productus Mousson, 1849

Margaron (Unio) orientalis (Bourg.) = Unio bruguierianus

Margaron (Unio) ornatus (Lea) = Pleuronaia barnesiana

Margaron (Unio) orontesensis (Lea) = Unio damascensis

Margaron (Unio) orphaensis (Lea) = Unio mardinensis

Margaron (Unio) ortonii (Lea) = Prisodon obliquus

Margaron (Unio) osbeckii (Phili.) = Nodularia douglasiae + Diplodon parallelopipedon

+ Unio shanghaiensis Lea, 1859

+ Unio digitiformis Sowerby, 1868

Margaron (Unio) othcaloogensis (Lea) = Epioblasma othcaloogensis

Margaron (Unio) ovatus (Say) = Lampsilis ovata

+ Unio ovata Lamarck, 1819

+ Mya ventricosus Desh. of Authors

+ Mya subovatus Desh. of Authors

+ Mya occidens Desh. of Authors

Margaron (Unio) oviformis (Con.) = Pleurobema oviforme

Margaron (Unio) paliatus (Ravenel’s letter) = Elliptio complanata

Margaron (Unio) pallescens (Lea) = Lampsilis straminea

Margaron (Unio) pallidofulvus (Lea) = Pleurobema perovatum

Margaron (Unio) paludicolus (Gould) = Uniomerus carolinianus

Margaron (Unio) papyraceus (Gould) = Villosa amygdalum

Margaron (Unio) paraguayensis (Lea) = Diplodon delodontus

Margaron (Unio) parallelopipedon (Lea) = Diplodon parallelopipedon

Margaron (Unio) paramattensis (Lea) = Hyridella depressa

Margaron (Unio) paranensis (Lea) = Diplodon paranensis + Diplodon solisianus

+ Unio solisiana d’Orbigny, 1835

Margaron (Unio) parcus (Lea) = Diplodon charruanus

Margaron (Unio) parvulus (Lea) = Medionidus parvulus

Margaron (Unio) parvus (Bar.) = Toxolasma parvum

Margaron (Unio) patagonicus (d’Orb.) = Diplodon chilensis

Margaron (Unio) patelloides (Lea) = Diplodon rhombeus

Margaron (Unio) patulus (Lea) = Pleurobema clava + Pleurobema oviforme

+ Unio patulus Conrad, 1838

Margaron (Unio) paulus (Lea) = Toxolasma paulum

Margaron (Unio) pauperculus (Lea) = Pustulosa pustulosa

Margaron (Unio) pawensis (Lea) = Uniomerus carolinianus

Margaron (Unio) pazii (Lea) = Ensidens ingallsianus

Margaron (Unio) peculiaris (Lea) = Diplodon wymanii

Margaron (Unio) peguensis (Anth.) = Yaukthwa peguensis

Margaron (Unio) pellucidus (Lea) = Villosa vibex

Margaron (Unio) penicillatus (Lea) = Medionidus penicillatus

Margaron (Unio) penitus (Con.) = Epioblasma penita

Margaron (Unio) peræformis (Lea) = Diplodon peraeformis

Margaron (Unio) percoarctatus (Lea) = Elliptio complanata

Margaron (Unio) perdix (Lea) = Ortmanniana pectorosa

+ Unio pectorosus Conrad, 1834

Margaron (Unio) perlatus (Lea) = Elliptio arctata

Margaron (Unio) perlucens (Lea) = Elliptio complanata

Margaron (Unio) permiscens (Lea) = Potamilus purpuratus

Margaron (Unio) pernodosus (Lea) = Pustulosa pustulosa

Margaron (Unio) perovalis (Con.) = Hamiota perovalis

Margaron (Unio) perovatus (Con.) = Pleurobema perovatum

Margaron (Unio) perpastus (Lea) = Lampsilis straminea

Margaron (Unio) perpictus (Lea) = Cambarunio iris

Margaron (Unio) perplexus (Lea) = Epioblasma torulosa + Epioblasma gubernaculum

+ Amblema gibbosa Rafinesque, 1820

+ Unio gibbosus ‘Rafinesque’ of Authors

+ Unio gibbosus Küst. of Authors

+ Unio gubernaculum Reeve, 1865

Margaron (Unio) perplicatus (Con.) = Amblema plicata

+ Unio pearlensis Conrad, 1855

Margaron (Unio) perpurpureus (Lea) = Venustaconcha trabalis

Margaron (Unio) perradiatus (Lea) = Lampsilis fasciola

Margaron (Unio) personatus (Say) = Epioblasma personata

+ Unio pileus Lea, 1831

+ Unio capillaris Lea, 1834

Margaron (Unio) perstriatus (Lea) = Elliptio arctata

Margaron (Unio) persulcatus (Lea) = Nephronaias calamitarum

Margaron (Unio) pertenuis (Lea) = Platynaias subviridis

Margaron (Unio) petrinus (Gould) = Pustulosa petrina

Margaron (Unio) petterianus (Küst.) = Unio elongatulus + Unio carneus

+ Unio carneus Küster, 1854

Margaron (Unio) phaselus (Lea) = Scabies phaselus

Margaron (Unio) phaseolus (Hild.) = Ptychobranchus fasciolaris

+ Unio planulatus Lea, 1829

+ Unio cuneatus Hildreth, 1828

Margaron (Unio) phillipsii (Con.) = Obliquaria reflexa

Margaron (Unio) piceus (Lea) = Diplodon piceus

Margaron (Unio) pictorum (Retz.) = Unio pictorum + Unio tumidus + Unio mancus + Nodularia douglasiae + Unio elongatulus + Unio delphinus + Unio nanus + Unio crassus + Potomida littoralis + Unio ravoisieri

+ Unio pictorum Brown, 1844

+ Unio pictorum ‘Linnaeus’ of Authors

+ Unio pictorum Schrenck, 1867

+ Mytilus angustior Lister, 1685

+ Mya corrugata maroccana Martini & Chemnitz, 1782

+ Mya augusta Klein, 1753

+ Mya margaritica Klein, 1753

+ Mya nodosa Gmelin, 1791

+ Potomida sicula Swainson, 1840

+ Unio delphinus Spengler, 1793

45 more...

Margaron (Unio) pictus (Lea) = Cambarunio taeniatus

Margaron (Unio) piger (Lea) = Diplodon uruguayensis

Margaron (Unio) pilaris (Lea) = Fusconaia subrotunda

Margaron (Unio) pilatus (Lea) = Scabies pilata

Margaron (Unio) pinguis (Lea) = Ortmanniana ligamentina

Margaron (Unio) placitus (Lea) = Hamiota perovalis

Margaron (Unio) plancus (Lea) = Cambarunio nebulosus

Margaron (Unio) planicostatus (Lea) = Cambarunio nebulosus

Margaron (Unio) planilaterus [sic] (Con.) = Elliptio congaraea

Margaron (Unio) planior (Lea) = Pleurobema oviforme

Margaron (Unio) plantii (Lea) = Elliptio fumata

Margaron (Unio) platyrhynchus (Rossm.) = Unio pictorum

Margaron (Unio) plenus (Lea) = Pleurobema plenum

Margaron (Unio) plicatulus (Lea) = Ctenodesma borneensis

Margaron (Unio) plicatus (Say) = Amblema plicata + Plectomerus dombeyanus

+ Unio plicatus ‘Say’ of Authors

+ Unio peruviana Lamarck, 1819

+ Unio rariplicata Lamarck, 1819

+ Unio dombeyana Valenciennes, 1827

+ Unio multiplicata Desh. of Authors

+ Unio crassus Barnes, 1823

Margaron (Unio) pliciferus (Lea) = Sphenonaias plexus + Psoronaias crocodilorum

+ Unio carbonarius Lea, 1838

+ Unio plexus Conrad, 1838

+ Unio crocodilorum Morelet, 1849

Margaron (Unio) poeyanus (Lea) = Nephritica poeyana

Margaron (Unio) ponderosus (Sol.) = Gibbosula crassa

+ Mya crassa Wood, 1815

Margaron (Unio) popeii (Lea) = Popenaias popeii

Margaron (Unio) porphyreus (Lea) = Leaunio umbrans

Margaron (Unio) postellii (Lea) = Elliptio complanata

Margaron (Unio) powellii (Lea) = Lampsilis powellii

Margaron (Unio) prattii (Lea) = Leaunio lienosus

Margaron (Unio) pressus Lea = Platynaias compressa

+ Symphynota compressa Lea, 1829

+ Complanaria alasmodontina Stimpson, 1851

Margaron (Unio) prevostianus (Lea) = Villosa vibex

Margaron (Unio) productus (Con.) = Elliptio producta

Margaron (Unio) propinquus (Lea) = Epioblasma propinqua

Margaron (Unio) proprius (Lea) = Leaunio umbrans

Margaron (Unio) protensus (Lea) = Elliptio complanata

Margaron (Unio) proximus (Lea) = Leaunio lienosus

Margaron (Unio) prunoides (Lea) = Diplodon peraeformis

Margaron (Unio) prusii (Bourg.) = Unio bruguierianus

Margaron (Unio) psammoicus (d’Orb.) = Castalia psammoica

Margaron (Unio) pudicus (Lea) = Pleuronaia barnesiana

Margaron (Unio) pulcher (Lea) = Cambarunio taeniatus

Margaron (Unio) pullatus (Lea) = Elliptio pullata

Margaron (Unio) pullus (Con.) = Toxolasma pullus

Margaron (Unio) pulvinulus (Lea) = Pleurobema rubellum

Margaron (Unio) pumilus Lea. Chenu. Han. = Fusconaia masoni

Margaron (Unio) punctatus (Lea) = Cambarunio taeniatus

Margaron (Unio) puniceus (Hald.) = Cambarunio iris

Margaron (Unio) purpuratus (Lam.) = Potamilus purpuratus

+ Mya ventricosa Humphrey, 1797

+ Unio ater Lea, 1829

+ Unio lugubris Say, 1832

+ Unio atra Deshayes, 1832

+ Unio poulsoni Conrad, 1834

Margaron (Unio) purpurellus (Lea) = Elliptio purpurella

Margaron (Unio) purus (Lea) = Elliptio complanata

Margaron (Unio) pusillus (Lea) = Elliptio congaraea

Margaron (Unio) pustulatus (Lea) = Pustulosa nodulata

+ Unio nodulatus ‘Rafinesque’ of Authors

Margaron (Unio) pustulosus (Lea) = Pustulosa pustulosa

+ Unio verrucosa Valenciennes, 1827

+ Unio verrucosus albus Say of Authors

+ Unio bullatus ‘Rafinesque’ of Authors

Margaron (Unio) pybasii (Lea) = Leaunio vanuxemensis

Margaron (Unio) pygmæus (Lea) = Platynaias subviridis

Margaron (Unio) pyramidatus (Lea) = Pleurobema sintoxia

+ Obliquaria rubra Rafinesque, 1820

+ Unio mytiloides Conrad, 1836

+ Unio cardiacea Deshayes, 1839

Margaron (Unio) pyriformis (Lea) = Pleurobema pyriforme

Margaron (Unio) quadrans (Lea) = Diplodon rotundus

Margaron (Unio) quadratus (Lea) = Elliptio fumata

Margaron (Unio) quadrilaterus (Lea) = Elliptio complanata

Margaron (Unio) radians (Lea) = Cambarunio nebulosus

Margaron (Unio) radiatus (Lam.) = Lampsilis radiata + Cambarunio iris + Lampsilis cariosa + Atlanticoncha ochracea + Elliptio complanata + Anodonta anatina + Lampsilis siliquoidea

+ Unio radiatus De Kay, 1843

+ Mya radiata Gmelin, 1791

+ Unio radiatus Barnes, 1823

+ Unio virginiana Lamarck, 1819

+ Unio obliquiradiatus Reeve, 1865

+ Unio radiatus Spengler, 1793

+ Unio distans J.G. Anthony, 1865

+ Unio oblongatus Wood, 1828

+ Mya pictorum tenuis Martini & Chemnitz, 1782

Margaron (Unio) raeensis (Lea) = Elliptio complanata

Margaron (Unio) rajahensis (Lea) = Parreysia rajahensis

Margaron (Unio) raleighensis (Lea) = Elliptio complanata

Margaron (Unio) rangianus (Lea) = Epioblasma rangiana + Epioblasma torulosa

+ Unio gibbosus Küst. of Authors

Margaron (Unio) rasus (Lea) = Unio tigridis

Margaron (Unio) ravenelianus (Lea) = Pleurobema oviforme

+ Unio rudis Conrad, 1837

Margaron (Unio) ravistellus (More.) = Nephronaias ravistella

Margaron (Unio) ravoisieri (Desh.) = Unio ravoisieri

Margaron (Unio) rectus (Lam.) = Ligumia recta

+ Unio praelongus Barnes, 1823

+ Unio arquatus Conrad, 1854

+ Unio sageri Conrad, 1836

+ Unio leprosus Miles, 1861

Margaron (Unio) reeveianus (Lea) = Lampsilis reeveiana

Margaron (Unio) refulgens (Lea) = Pustulosa pustulosa

Margaron (Unio) regularis (Lea) = Cambarunio iris

Margaron (Unio) retusus (Lam.) = Obovaria retusa

+ Obovaria torsa Rafinesque, 1820

+ Unio obtusa Cuvier, 1817

+ Unio cordatus Küster, 1852

+ Unio incurvis Say, 1829

Margaron (Unio) rhombeus (Wag.) = Diplodon rhombeus

Margaron (Unio) rhuacoicus (d’Orb.) = Diplodon rhuacoicus

+ Unio rhyacoicus Martens, 1868

Margaron (Unio) riddellii (Lea) = Pleurobema riddellii

Margaron (Unio) roanokensis (Lea) = Elliptio roanokensis

Margaron (Unio) rostriformis [sic] (Lea) = Parvaspina lanceolata

Margaron (Unio) rostrum (Lea) = Elliptio complanata

Margaron (Unio) roswellensis (Lea) = Elliptio pullata

Margaron (Unio) rotundatus (Lam.) = Glebula rotundata

+ Unio suborbiculata Lamarck, 1819

+ Unio glebulus Say, 1831

+ Unio subglobosus Lea, 1834

Margaron (Unio) rotundus (Spix) = Diplodon rotundus

+ Unio rotundus Moricand, 1838

Margaron (Unio) rowellii (Lea) = Nephronaias rowellii

Margaron (Unio) rubellinus (Lea) = Medionidus acutissimus

Margaron (Unio) rubellus (Con.) = Pleurobema rubellum

Margaron (Unio) rubidus (Lea) = Fusconaia cerina

Margaron (Unio) rubiginosus (Lea) = Fusconaia flava + Fusconaia cerina

+ Unio flavus Conrad, 1837

+ Unio cerinus Conrad, 1838

Margaron (Unio) rudus (Lea) = Diplodon delodontus

Margaron (Unio) rufofuscus (Lea) = Diplodon gratus

Margaron (Unio) rufus (Lea) = Elliptio arca

Margaron (Unio) rufusculus (Lea) = Elliptio congaraea

Margaron (Unio) rugososulcatus (Lea) = Pachynaias spheniopsis

Margaron (Unio) rumphianus (Lea) = Quadrula quadrula

Margaron (Unio) rusticus (Lea) = Lens contradens

Margaron (Unio) rutersvillensis (Lea) = Sagittunio subrostratus

Margaron (Unio) rutilans (Lea) = Villosa vibex

Margaron (Unio) sagittarius (Lea) = Ensidens sagittarius

Margaron (Unio) sagittæformis [sic] (Lea) = Parvaspina lanceolata

Margaron (Unio) saladoensis (Lea) = Cyrtonaias berlandierii

Margaron (Unio) salebrosus (Lea) = Elliptio fumata

Margaron (Unio) sampsonii (Lea) = Epioblasma sampsonii

Margaron (Unio) sapotalensis (Lea) = Actinonaias sapotalensis

Margaron (Unio) satillaensis (Lea) = Elliptio downiei

Margaron (Unio) satur (Lea) = Lampsilis satura

Margaron (Unio) savannahensis (Lea) = Elliptio complanata

Margaron (Unio) saxeus (Con.) = Leaunio lienosus

Margaron (Unio) scamnatus (More.) = Nephronaias scamnata + Actinonaias gundlachi

+ Unio gundlachi Dunker, 1858

Margaron (Unio) schoolcraftii [sic] (Lea) = Pustulosa pustulosa

+ Unio prasinus Conrad, 1834

+ Unio nodiferus Conrad, 1841

Margaron (Unio) scitulus (Lea) = Cambarunio iris

Margaron (Unio) scobinatus (Lea) = Scabies scobinatus + Scabies mandarinus

+ Unio mandarinus Morelet, 1864

+ Unio pellislacerti Morelet, 1865

Margaron (Unio) securis (Lea) = Ellipsaria lineolata

+ Unio securis Deshayes, 1832

+ Obliquaria (Plagiola) depressa Rafinesque, 1820

+ Unio lineolatus ‘Rafinesque’ of Authors

Margaron (Unio) semigranosus (Phil.) = Psoronaias semigranosa + Mesonaias explicata + Psoronaias crocodilorum

+ Unio explicatus Morelet, 1849

+ Unio corium Reeve, 1864

Margaron (Unio) semirugatus (Lam.) = Potomida semirugata

Margaron (Unio) shepardianus (Lea) = Elliptio shepardiana