Hanley, S. 1843. An Illustrated and Descriptive Catalogue of Recent Bivalve Shells: 1-272, pls. 9-13. Available electronically.
Anodonta anatina Lam.
Anodonta angulata Lea = Gonidea angulata
Anodonta anserina Spix = Anodontites trapesialis
Anodonta arcuata Ferussac = Leila esula
Anodonta benedictensis Lea = Pyganodon grandis
Anodonta blainvilliana Lea = Leila blainvilliana
+ Iridina trapezialis d’Orbigny, 1835
Anodonta buchanensis Lea = Anodontoides ferussacianus
Anodonta chaiziana Rang = Aspatharia chaiziana
Anodonta crassa Swain. = Anodontites patagonica
Anodonta crispata Lam. = Anodontites crispata
Anodonta cygnea Lam.
Anodonta cygnea, variety 1 = Anodonta cygnea
+ Anodonta sulcata Lamarck, 1819
Anodonta cygnea, variety 4 = Anodonta anatina
Anodonta cygnea, variety 5 = Anodonta anatina
Anodonta cygnea, variety 6 = Anodonta cygnea
+ Anodonta complanata Rossmässler, 1835
Anodonta cygnea, variety 6 = Pseudanodonta complanata
Anodonta cygnea, variety 7 = Anodonta anatina
Anodonta cylindracea Lea = Anodontites cylindracea
Anodonta decora Lea = Pyganodon grandis
Anodonta edentula Lea = Strophitus undulatus
+ Anodon areolatus Swainson, 1829
Anodonta elongata Swain. = Anodontites elongata
Anodonta ensiformis Spix = Lamproscapha ensiformis
Anodonta esula Cristofori and Jan = Leila esula
Anodonta exilis Lea = Pilsbryoconcha exilis
Anodonta exotica Lam. = Anodontites trapesialis
Anodonta ferussacciana [sic] Lea = Anodontoides ferussacianus
Anodonta fluviatilis Lea = Pyganodon cataracta
+ Anodonta cataracta Say, 1817
+ Anodonta marginata Say, 1817
+ Anodonta teres Conrad, 1834
Anodonta fragilis Lam. = Pyganodon fragilis
Anodonta georginæ Gray = Anodontites trigona
Anodonta gibbosa Say = Pyganodon gibbosa
Anodonta gigantea Lea = Pyganodon grandis
Anodonta glauca Lam. = Anodontites trapesialis
Anodonta grandis Say = Pyganodon grandis
+ Anodonta corpulenta Cooper, 1834
Anodonta incerta Lea = Utterbackia imbecillis
Anodonta latomarginata Lea = Anodontites patagonica
+ Anodon rotundus Spix in Wagner, 1827
Anodonta latomarginata Lea = Anodontites trapezea
Anodonta limnoica d’Orbig. = Anodontites trigona
Anodonta magnifica Lea = Sinanodonta woodiana
Anodonta mortoniana Lea = Anodontites trigona
+ Unio (Anodontes) chiquitana d’Orbigny, 1835
Anodonta mortoniana Lea = Anodontites patagonica
Anodonta newtonensis Lea = Utterbackiana implicata
Anodonta nuttaliana [sic] Lea = Anodonta nuttalliana
Anodonta obtusa Spix = Anodontites obtusa
Anodonta ovata Lea = Pyganodon grandis
Anodonta parishii Gray = Leila blainvilliana
Anodonta patagonica Lam. = Anodontites patagonica
Anodonta pavonia Lea = Strophitus undulatus
Anodonta pepiniana Lea = Pyganodon grandis
Anodonta plana Lea = Pyganodon grandis
+ Anodonta declivis Conrad, 1834
Anodonta porcifer Gray = Anodontites patagonica
Anodonta purpurea Valen. = Simpsonella burroughiana
Anodonta salmonia Lea = Pyganodon grandis
Anodonta sinuosa Lam. = Anodontites trapesialis
Anodonta sirionos d’Orbig. = Anodontites patagonica
Anodonta spixii d’Orb. = Anodontites trapezea
+ Anodon trapezeus Spix in Wagner, 1827
Anodonta stewartiana Lea = Pyganodon grandis
Anodonta subcylindracea Lea = Anodontoides ferussacianus
Anodonta suborbiculata Say = Utterbackiana suborbiculata
Anodonta tenebricosa Lea = Anodontites tenebricosa
Anodonta trapezialis [sic] Lam. = Anodontites trapesialis
Anodonta trigona Spix = Anodontites trigona
Anodonta undulata Say = Strophitus undulatus
+ Anodonta pensylvanica Lamarck, 1819
+ Anodon rugosus Swainson, 1822
Anodonta uniopsis Lam. = Microcondylaea bonellii
Anodonta wahlamatensis Lea = Anodonta nuttalliana
Anodonta wardiana Lea = Strophitus undulatus
Anodonta woodiana Lea = Sinanodonta woodiana
Castalia ambigua Lam.
Castalia inflata d’Orb.
Castalia quadrilatera d’Orb. = Castalia ambigua
Cyclas amnica Turt. = Pisidium amnicum
+ Cyclas obliqua Lamarck, 1818
+ Cyclas palustris Draparnaud, 1806
Cyclas appendiculata Turt. = Euglesa henslowana
+ Tellina henslowana Sheppard, 1825
Cyclas australis Lam.
Cyclas calyculata Lam. = Sphaerium lacustre
+ Tellina lacustris Müller, 1774
Cyclas cinerea Alder = Euglesa casertana
Cyclas cornea Lam. = Sphaerium corneum
+ Tellina rivalis Müller, 1774
Cyclas elegans Adams = Sphaerium rhomboideum
Cyclas fontinalis Lam. = Euglesa casertana
+ Cyclas pusilla Turton, 1822
Cyclas fontinalis Lam. = Euglesa personata
Cyclas lacustris Drap. = Sphaerium nucleus
Cyclas nitida Jenyns = Euglesa nitida
Cyclas obtusalis Lam. = Euglesa obtusalis
Cyclas partumeia Say = Sphaerium partumeium
Cyclas pulchella Jenyns = Euglesa pulchella
Cyclas rivicola Lam. = Sphaerium rivicola
+ Cyclas cornea Draparnaud, 1801
Cyclas sarratoga [sic] Lam. = Sphaerium simile
Cyclas similis Say = Sphaerium simile
+ Cyclas sulcata Lamarck, 1818
Cyclas striatina Lam. = Sphaerium striatinum
Cyrena australis Desh. = Corbicula australis
Cyrena bengalensis Lam. = Geloina bengalensis
Cyrena carolinensis [sic] Lam. = Polymesoda caroliniana
+ Cyrena caroliniensis Lamarck, 1818
Cyrena childreni [sic] Gray = Batissa violacea
Cyrena cor Lam. = Corbicula fluminalis
+ Tellina fluminalis Müller, 1774
+ Venus fluminalis euphratis Martini & Chemnitz, 1782
Cyrena cor Lam. = Corbicula fluminea
Cyrena cyprinoides Gray = Villorita cyprinoides
Cyrena cyprinoides Quoy = Geloina coaxans
Cyrena depressa Lam.
+ Venus borealis Gmelin, 1791
Cyrena depressa Lam. = Lucinoma borealis
Cyrena fluminea Lam. = Corbicula fluminea
Cyrena fuscata Lam. = Corbicula fluminea
+ Tellina fluviatilis Müller, 1774
Cyrena jayensis Lea = Batissa violacea
Cyrena kecaudreni [sic] Lesson = Batissa violacea
Cyrena limosa Gray = Cyanocyclas limosa
Cyrena mexicana Brod. & Sow. = Polymesoda mexicana
Cyrena oblonga Quoy
Cyrena orientalis Lam. = Corbicula fluminea
Cyrena papua Lesson = Geloina coaxans
Cyrena paranicensis [sic] d’Orb. = Cyanocyclas paranacensis
Cyrena rotundata Lea
Cyrena similis W. = Corbicula similis
Cyrena sumatrensis Sow. = Geloina bengalensis
Cyrena trigonella Lam.
Cyrena turgida Lea = Geloina bengalensis
Cyrena vanikorensis Quoy
Cyrena variegata d’Orb. = Cyanocyclas limosa
Cyrena violacea Lam. = Batissa violacea
Cyrena woodiana Lea = Corbicula fluminea
Cyrena zeylanica Lam. = Geloina coaxans
+ Venus coaxans Gmelin, 1791
Etheria caillaudi [sic] Fer. = Etheria elliptica
+ Aetheria tubifera Sowerby, 1825
Etheria lamarckii Ferus. = Etheria elliptica
+ Etheria elliptica Lamarck, 1807
+ Etheria trigonula Lamarck, 1807
Etheria plumbea Ferussac = Etheria elliptica
+ Etheria semilunata Lamarck, 1807
+ Etheria transversa Lamarck, 1807
+ Etheria carteroni Michelin, 1830
Galathea radiata Lam. = Galatea paradoxa
+ Venus hermaphrodita Gmelin, 1791
+ Venus paradoxa Born, 1778
Hyria avicularis Lam. = Prisodon obliquus
+ Hyria elongata Swainson, 1841
Hyria browniana Lea = Prisodon syrmatophorus
Hyria corrugata Lam. = Triplodon corrugatus
+ Mya angulata Wood, 1828
Hyria syrmatophora Sow. = Prisodon syrmatophorus
+ Hyria avicularis Lamarck, 1819
Iridina cœestis Lea = Mutela rostrata
Iridina elongata Sow. = Mutela dubia
Iridina exotica Lam. = Mutela dubia
Iridina nilotica Ferrusac & Sow. = Mutela dubia
Iridina ovata Swainson = Pleiodon ovatus
+ Pleiodon macmurtriei Conrad, 1834
Iridina rubens Desh. = Chambardia rubens
Modiola brasiliensis Ch. = Mytella guyanensis
+ Modiola guyanensis Lamarck, 1819
+ Modiola semifusca Sowerby, 1825
Modiola pulex Lam. = Xenostrobus pulex
Modiola securis Lam. = Xenostrobus securis
Mycetopus siliquosus Spix = Mycetopoda siliquosa
+ Anodon longinus Spix in Wagner, 1827
Mycetopus soleniformis d’Orb. = Mycetopoda soleniformis
Mytilus confusus Ch. = Mytilaster lineatus
+ Mytilus lineatus Gmelin, 1791
Mytilus edulis Linn.
Mytilus galloprovincialis Lam.
Mytilus minimus Poli = Mytilaster minimus
Unio acutissimus Lea = Medionidus acutissimus
Unio alatus Say = Potamilus alatus
Unio altilis Conr. = Hamiota altilis
Unio angustatus Lea = Elliptio angustata
Unio angustus Lam.
+ Margarita (Unio) modestus Lea, 1836
Unio angustus Lam. = Diplodon paulistus
Unio anodontoides Lea = Lampsilis teres
+ Unio teres ‘Rafinesque’ of Authors
Unio apiculatus Say = Quadrula quadrula
Unio arcæformis Lea = Epioblasma arcaeformis
+ Unio nexus Say, 1831
Unio arctatus Conr. = Elliptio arctata
Unio arctior Lea = Eurynia dilatata
Unio arcula Lea = Alasmidonta arcula
Unio arcus Conr. = Elliptio arca
Unio asper Lea = Quadrula quadrula
Unio asperrimus Lea = Quadrula quadrula
Unio atrata Lea = Diplodon chilensis
+ Margarita (Unio) atratus Lea, 1836
+ Unio fragilis Reeve, 1865
+ Unio auratus ‘Swainson’ of Authors
Unio atrata Lea = Potamilus fragilis
Unio australis Lam. = Hyridella australis
Unio æsopus Green = Plethobasus cyphyus
Unio barnesianus Lea = Pleuronaia barnesiana
Unio batavus Lam. = Unio crassus
Unio bengalensis Lea = Simpsonella burroughiana
Unio bialata Desh. in Lam. = Mutela dubia
+ Dipsas plicatus Leach, 1814
+ Mytilus dubius Gmelin, 1791
+ Anodon alatus ‘Sow.’ of Authors
Unio bialata Desh. in Lam. = Cristaria plicata
Unio bilineatus Benson = Lamellidens marginalis
Unio blandingianus Lea = Uniomerus carolinianus
Unio bonellii Ferussac = Microcondylaea bonellii
+ Unio depressa C. Pfeiffer, 1825
Unio brevidens Lea = Epioblasma brevidens
Unio burroughianus Lea = Diplodon burroughianus
Unio calceola Lea = Sulcularia viridis
+ Alasmodonta truncata Conrad, 1834
Unio camelus Lea = Ptychobranchus fasciolaris
+ Obliquaria (Plagiola) depressa Rafinesque, 1820
Unio camelus Lea = Ellipsaria lineolata
Unio camptodon Say = Uniomerus tetralasmus
+ Unio declivis Conrad, 1836
Unio capsaeformis Lea = Epioblasma capsaeformis
Unio carbonarius Lea = Sphenonaias plexus
Unio cariosus Say = Lampsilis cariosa
Unio castaneus Lea = Obovaria arkansasensis
Unio cæruleus Lea = Indonaia caerulea
Unio childreni Gray = Diplodon chilensis
Unio circulus Lea = Obovaria subrotunda
+ Unio rotundus Wood, 1828
Unio claibornensis Lea = Lampsilis straminea
Unio clavus Lam. = Pleurobema clava
+ Unio clavus Conrad, 1835
+ Unio modioliformis ‘Say’ of Authors
+ Obliquaria (Scalenaria) scalenia Rafinesque, 1820
Unio coccineus Lea = Pleurobema sintoxia
+ Unio coccineus Conrad, 1836
+ Unio catillus Conrad, 1836
Unio cœlatus Conr. = Lemiox rimosus
Unio complanata Barnes = Pterosyna complanata
Unio complanatus Lea = Elliptio complanata
+ Unio purpureus Say, 1817
+ Unio rarisulcata Lamarck, 1819
+ Unio coarctata Lamarck, 1819
+ Unio purpurascens Lamarck, 1819
+ Unio rhombula Lamarck, 1819
+ Unio carinifera Lamarck, 1819
+ Unio georgina Lamarck, 1819
+ Unio glabrata Lamarck, 1819
+ Unio sulcidens Lamarck, 1819
Unio compressus Lea = Platynaias compressa
Unio confertus Lea = Elliptio icterina
+ Margarita (Unio) paliatus Lea, 1836
+ Margarita (Unio) watereensis Lea, 1836
+ Unio raveneli Conrad, 1834
Unio confertus Lea = Elliptio complanata
Unio confragosa Say = Arcidens confragosus
Unio congaræus Lea = Elliptio congaraea
Unio conradicus Lea = Medionidus conradicus
Unio contradens Lea = Lens contradens
Unio cooperianus Lea = Plethobasus cooperianus
Unio cor Conr. = Fusconaia cor
Unio cornutus Barnes = Obliquaria reflexa
+ Obliquaria (Quadrula) reflexa Rafinesque, 1820
Unio corrianus Lea = Lamellidens corrianus
Unio corrientesinsis [sic] d’Orbig. = Monocondylaea corrientesensis
Unio corrugatus Lam. = Indonaia rugosa
+ Mya rugosa Gmelin, 1791
+ Mya nodosa Gmelin, 1791
+ Mya spuria Gmelin, 1791
+ Unio spuria Lamarck, 1819
Unio corrugatus Lam. = Unio pictorum
Unio corrugatus Lam. = Parreysia corrugata
Unio crassidens Lam. = Elliptio crassidens
+ Unio niger Conrad, 1836
+ Unio cuneatus Barnes, 1823
Unio crassissimus Fer. = Pseudunio auricularius
+ Unio sinuata Lamarck, 1819
+ Unio margaritifera Draparnaud, 1801
+ Unio sinuatus Rossmässler, 1836
Unio crassissimus Fer. = Potomida littoralis
Unio crassissimus Fer. = Unio crassus
Unio crassus Say = Ortmanniana ligamentina
+ Unio ligamentina Lamarck, 1819
+ Unio ellipticus Barnes, 1823
+ Unio carinatus Barnes, 1823
+ Mya gravis Wood, 1828
+ Unio fasciatus Conrad, 1835
Unio cresserus [sic] Lea = Cambarunio iris
Unio cumberlandianus Lea = Cambarunio simus
+ Unio cumberlandicus Lea, 1838
Unio cuprinus Lea = Popenaias metallica
+ Unio metallicus Say, 1831
Unio cylindricus Say = Theliderma cylindrica
Unio decisus Lea = Pleurobema decisum
Unio declivis Say = Uniomerus declivis
+ Unio geometricus Lea, 1834
Unio dehiscens Say = Hemistena lata
+ Unio oriens Lea, 1831
Unio delodontus Lam. = Diplodon delodontus
+ Unio lacteolus Lea, 1834
Unio deltoidea Lea = Sulcularia viridis
Unio depressus Lam. = Hyridella australis
+ Unio depressa Lesson, 1830
Unio depressus Lam. = Hyridella depressa
Unio discoideus Lea = Pletholophus tenuis
Unio discus Lea = Disconaias disca
Unio divaricatus Lea = Diplodon delodontus
Unio dolabræformis Lea = Lampsilis dolabraeformis
Unio donaciformis Lea = Truncilla donaciformis
Unio dorfeuillianus Lea = Pustulosa pustulosa
Unio dromas Lea = Dromus dromas
Unio ebenus Lea = Reginaia ebenus
+ Unio mytiloides Conrad, 1836
Unio ebenus Lea = Pleurobema sintoxia
Unio egyptiacus [sic] Cail. = Coelatura aegyptiaca
Unio elegans Lea = Truncilla truncata
Unio ellipsis Lea = Obovaria olivaria
+ Unio brevialis G.B. Sowerby, 1821
Unio emarginatus Lea = Unio mancus
Unio faba d’Orbig. = Diplodon charruanus
Unio fabalis Lea = Paetulunio fabalis
Unio fabula Lea = Pegias fabula
Unio fisherianus Lea = Elliptio fisheriana
Unio foliatus Hildreth = Epioblasma flexuosa
+ Unio flexuosus ‘Rafinesque’ of Authors
Unio folliculatus Lea = Elliptio folliculata
Unio fossiculiferus Lea = Fossula fossiculifera
Unio fulvus Lea = Elliptio congaraea
+ Unio icterinus Conrad, 1834
Unio fulvus Lea = Elliptio icterina
Unio gibber Lea = Pleuronaia gibber
Unio gibbosus Barnes = Eurynia dilatata
+ Unio mucronatus Barnes, 1823
+ Unio nasuta Lamarck, 1819
+ Unio dilatatus ‘Rafinesque’ of Authors
Unio glaber Lea = Cambarunio iris
Unio glans Lea = Toxolasma lividum
Unio globosus Lea = Potamilus capax
Unio gracilis Barnes = Potamilus fragilis
+ Unio planus Barnes, 1823
+ Unio (Leptodea) fragilis Rafinesque, 1820
Unio graniferus Lea = Cyclonaias tuberculata
Unio granosus Brug. = Diplodon granosus
Unio grayanus Lea = Lanceolaria grayii
Unio greenii Conr. = Ptychobranchus greenii
Unio griffithianus Lea = Elliptio complanata
Unio guarayana Lea = Monocondylaea guarayana
Unio haysianus Lea = Epioblasma haysiana
Unio heros Say = Ortmanniana ligamentina
+ Unio multiplicatus Lea, 1831
+ Unio ligamentina Lamarck, 1819
+ Unio undulatus Say, 1831
Unio heros Say = Megalonaias nervosa
Unio heterodon Lea = Prolasmidonta heterodon
Unio hildrethianus Lea = Simpsonaias ambigua
+ Alasmodonta ambigua Say, 1825
Unio holstonianus [sic] Lea = Alasminota holstonia
Unio hopetonensis Lea = Elliptio hopetonensis
Unio hydianus Lea = Lampsilis hydiana
Unio inflatus Lea = Potamilus inflatus
Unio infucatus Conr. = Pustulosa infucata
Unio interruptus Lea = Cambarunio taeniatus
Unio iris Lea = Cambarunio iris
Unio irroratus Lea = Cyprogenia stegaria
+ Unio verrucosus albus Hildreth, 1828
Unio jayensis Lea = Elliptio jayensis
Unio jejunus Lea = Elliptio complanata
Unio kirklandianus [sic] Lea = Fusconaia subrotunda
Unio lachrymosus [sic] Lea = Quadrula quadrula
Unio lamellatus Lea = Lamellidens lamellatus
Unio lanceolatus Lea = Parvaspina lanceolata
Unio lævissimus Lea = Potamilus ohiensis
Unio lecontianus Lea = Elliptio congaraea
Unio leeai [sic] Gray = Lamprotula leaii
Unio lens Lea = Obovaria subrotunda
Unio lienosus Conr. = Leaunio lienosus
Unio littoralis Lam. = Potomida littoralis
+ Unio crassus Vallot 1801 of Authors
+ Unio rhomboideus Moquin-Tandon, 1855
+ Unio brevialis Lamarck, 1819
+ Unio semirugata Lamarck, 1819
+ Unio nana Lamarck, 1819
+ Unio incurvus Lea, 1831
Unio littoralis Lam. = Potomida semirugata
Unio littoralis Lam. = Unio nanus
Unio lugubris Lea = Elliptio icterina
Unio luteolus Lam. = Lampsilis radiata
+ Unio siliquoideus Barnes, 1823
+ Unio inflatus Barnes, 1823
Unio luteolus Lam. = Lampsilis siliquoidea
Unio maculatus Conr. = Pleuronaia dolabelloides
Unio margaritiferus Drap. = Margaritifera margaritifera
Unio marginalis Lam. = Lamellidens marginalis
+ Unio anodontina Lamarck, 1819
Unio marginata Lea = Alasmidonta varicosa
+ Unio varicosa Lamarck, 1819
+ Unio rugulosus Wood, 1828
Unio marginata Lea = Alasmidonta marginata
Unio masoni Conr. = Fusconaia masoni
Unio medellinus Lea = Actinonaias medellina
Unio membranacea Lea = Diplodon variabilis
+ Unio matoniana d’Orbigny, 1835
Unio menkianus Lea = Cambarunio taeniatus
Unio metanever [sic] Lea = Quadrula quadrula
+ Unio nodosus Barnes, 1823
+ Unio rugosus Barnes, 1823
Unio metanever [sic] Lea = Theliderma metanevra
Unio minuanus Lea = Monocondylaea minuana
Unio modioliformis Lea = Villosa delumbis
+ Unio delumbis Conrad, 1834
Unio modioliformis Lea = Villosa vibex
Unio monodontus Say = Cumberlandia monodonta
+ Unio soleniformis Lea, 1831
Unio muhlfeldianus Lea = Cambarunio dactylus
Unio multiradiatus Lea = Lampsilis fasciola
+ Unio fasciolus ‘Rafinesque’ of Authors
+ Unio ligamentinus Deshayes, 1835
Unio multistriatus Lea = Diplodon multistriatus
Unio murchisonianus Lea = Nodularia douglasiae
+ Unio douglasiae Griffith & Pidgeon, 1833
Unio nashvillianus Lea = Sagittunio subrostratus
Unio nasutus Say = Sagittunio nasutus
Unio nicklinianus Lea = Megalonaias nickliniana
Unio niloticus Cail. = Coelatura aegyptiaca
Unio nodulosus Lea = Aculamprotula nodulosa
Unio notatus Lea = Cambarunio simus
Unio novæ hollandiæ Gray = Cucumerunio novaehollandiae
Unio novi eboraci Lea = Cambarunio iris
Unio obesus Lea = Uniomerus carolinianus
Unio obliquus Lam. = Pleurobema cordatum
+ Unio undatus Barnes, 1823
+ Unio trigonus Say. Con. non Lea of Authors
+ Unio cordatus Conrad, 1836
Unio obliquus Lam. = Fusconaia flava
Unio obscurus Lea = Cambarunio iris
Unio occidens Lea = Lampsilis cardium
Unio ochraceus Say = Atlanticoncha ochracea
Unio olivarius Lea = Indonaia olivaria
Unio orbiculatus Hildr. = Lampsilis abrupta
+ Unio abruptus Say, 1831
+ Unio crassus Conrad, 1836
Unio orbiculatus Hildr. = Obovaria subrotunda
Unio ovatus Say = Lampsilis ovata
Unio paraguayana d’Orbig. = Monocondylaea paraguayana
Unio parallelopipedon Lea = Diplodon parallelopipedon
Unio paranensis Lea = Diplodon paranensis
+ Unio solisiana d’Orbigny, 1835
Unio paranensis Lea = Diplodon solisianus
Unio parchappii Lea = Monocondylaea parchappii
Unio parvus Barnes = Toxolasma parvum
Unio patagonicus d’Orb. = Diplodon chilensis
Unio patulus Lea = Pleurobema clava
Unio pectorosus Conr. = Ortmanniana pectorosa
Unio penitus Conr. = Epioblasma penita
Unio perdix Lea = Ortmanniana pectorosa
Unio perovalis Conr. = Hamiota perovalis
Unio perovatus Conr. = Pleurobema perovatum
Unio perplexus Lea = Epioblasma torulosa
+ Unio gibbosus ‘Rafinesque’ of Authors
Unio personatus Say = Epioblasma personata
+ Unio capillaris Lea, 1834
Unio phaseolus Hild. = Ptychobranchus fasciolaris
+ Unio planulatus Lea, 1829
Unio philipsii [sic] Conr. = Obliquaria reflexa
Unio pictorum Lam.
+ Unio pictorum Draparnaud, 1806
+ Unio rostrata Lamarck, 1819
+ Unio manca Lamarck, 1819
+ Unio turtonii Payraudeau, 1826
+ Unio capigliolo Payraudeau, 1826
+ Unio elongatula C. Pfeiffer, 1825
Unio pictorum Lam. = Unio mancus
Unio pictorum Lam. = Unio elongatulus
Unio pictus Lea = Cambarunio taeniatus
Unio pileus Lea = Epioblasma personata
Unio platyrrhinchus [sic] Rossm. = Unio pictorum
Unio plicatus Say = Amblema plicata
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio dombeyana Valenciennes, 1827
+ Unio undulatus Desh. of Authors
+ Unio multiplicata Desh. of Authors
Unio plicatus Say = Plectomerus dombeyanus
Unio pliciferus Lea = Sphenonaias plexus
Unio ponderosus Lea = Gibbosula crassa
+ Mya crassa Wood, 1815
Unio productus Conr. = Elliptio producta
Unio pulcher Lea = Cambarunio taeniatus
Unio pumilus Lea = Fusconaia masoni
Unio purpuratus Lam. = Potamilus purpuratus
+ Unio ater Lea, 1829
+ Unio lugubris Say, 1832
+ Unio poulsoni Conrad, 1834
Unio pustulatus Lea = Pustulosa nodulata
Unio pustulosus Lea = Pustulosa pustulosa
Unio pyramidatus Lea = Pleurobema clava
+ Pleurobema mytiloides Rafinesque, 1820
+ Unio obliquus Wood, 1828
Unio pyramidatus Lea = Pleurobema sintoxia
Unio radiata Conr. = Strophitus radiatus
Unio radiatus Lam. = Lampsilis radiata
+ Unio virginiana Lamarck, 1819
+ Unio oblongatus Wood, 1828
Unio radiatus Lam. = Elliptio complanata
Unio rangianus Lea = Epioblasma rangiana
Unio ravenelianus Lea = Pleurobema oviforme
Unio recta Lam. = Ligumia recta
+ Unio praelongus Barnes, 1823
Unio retusus Lam. = Obovaria retusa
+ Obovaria torsa Rafinesque, 1820
Unio rhombeus Wagn. = Diplodon rhombeus
Unio roanoakensis [sic] Lea = Elliptio roanokensis
Unio rotundatus Lam. = Glebula rotundata
+ Unio suborbiculata Lamarck, 1819
+ Unio glebulus Say, 1831
+ Unio subglobosus Lea, 1834
Unio rubellus Conr. = Pleurobema rubellum
Unio rubiginosus Lea = Fusconaia flava
Unio rugosa Barnes = Lasmigona costata
+ Alasmodonta abducta Lea, 1836
Unio schoolcraftensis Lea = Pustulosa pustulosa
+ Unio prasinus Conrad, 1834
Unio securis Lea = Ellipsaria lineolata
Unio shepardianus Lea = Elliptio shepardiana
Unio simus Lea = Cambarunio simus
Unio smithii Gray = Diplodon chilensis
Unio solidus Lea = Pleurobema sintoxia
Unio sowerbianus Lea = Epioblasma haysiana
Unio spinosus Lea = Elliptio spinosa
Unio splendidus Lea = Lampsilis splendida
Unio stapes Lea = Theliderma stapes
Unio stramineus Conr. = Lampsilis straminea
Unio subovatus Lea = Lampsilis cardium
Unio subrotundus Lea = Fusconaia subrotunda
+ Unio politus Conrad, 1837
Unio subtentus Say = Ptychobranchus subtentus
Unio sulcatus Lea = Epioblasma obliquata
+ Unio ridibundus Say, 1829
Unio swananoensis = Alasmidonta raveneliana
+ Margaritana raveneliana Lea, 1834
Unio taitianus Lea = Pleurobema taitianum
Unio tampicoensis Lea = Mesonaias tampicoensis
Unio tappanianus Lea = Platynaias subviridis
Unio tæniatus Conr. = Cambarunio taeniatus
Unio tenerus Rave. = Lampsilis radiata
+ Unio tenebrosus Conrad, 1834
Unio tenerus Rave. = Villosa delumbis
Unio tenuissimus Lea = Potamilus leptodon
+ Anodon purpurascens Swainson, 1823
+ Unio velum Say, 1829
Unio tetralasmus Say = Uniomerus tetralasmus
Unio tragosus [sic] Conr. = Quadrula fragosa
Unio trapezoides Lea = Plectomerus dombeyanus
+ Unio interruptus Say, 1831
+ Unio crassidens Lamarck, 1819
Unio triangularis Barnes = Epioblasma triquetra
+ Unio formosus Lea, 1831
+ Unio cuneatus Swainson, 1823
Unio trigonus Lea = Fusconaia flava
Unio troostensis Lea = Venustaconcha troostensis
+ Unio trabalis Conrad, 1834
Unio troostensis Lea = Venustaconcha trabalis
Unio truncatus Swain. = Unio tigridis
Unio tuberculatus Barnes = Quadrula verrucosa
Unio tumidus Retz. = Unio pictorum
+ Unio tumidus Rossmässler, 1836
+ Mya ovata Donovan, 1802
+ Mysca solida Turton, 1822
+ Unio nodulosa Lamarck, 1819
Unio tumidus Retz.
Unio turgidus Lea = Pustulosa pustulosa
+ Unio mortoni Conrad, 1835
Unio undulata Say = Alasmidonta undulata
+ Alasmodonta sculptilis Say, 1829
+ Unio glabratus G.B. Sowerby, 1821
Unio undulatus Barnes = Amblema plicata
Unio vanuxemensis Lea = Leaunio vanuxemensis
Unio variabilis Lea = Diplodon rotundus
+ Diplodon rotundus Spix in Wagner, 1827
Unio variabilis Lea = Diplodon variabilis
Unio varicosus Lea = Plethobasus cicatricosus
+ Unio cicatricosus Say, 1829
Unio vaughanianus Lea = Sagittunio vaughanianus
Unio ventricosus Barnes = Lampsilis cardium
Unio venustus Lea = Venustaconcha ellipsiformis
Unio verrucosus Barnes = Cyclonaias tuberculata
+ Unio tuberculosus Valenciennes, 1827
Unio vibex Conr. = Villosa vibex