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The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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Publication Ortmann & Walker (1922): taxonomic opinions
     publication summary

Complete Citation

Ortmann, A.E. & B. Walker. 1922. On the nomenclature of certain North American naiades. Occasional Papers of the Museum of Zoology, University of Michigan (112): 1-75. Available electronically.

Taxonomic Opinions

Actinonaias carinata (Barnes, 1823) = Ortmanniana ligamentina
+ Unio ligamentina Lamarck, 1819
+ Unio crassus Say, 1817
+ Unio (Elliptio) fasciata Rafinesque, 1820
+ Unio ellipticus Barnes, 1823

Actinonaias pectorosa (Conrad, 1834) = Ortmanniana pectorosa
+ Bariosta vittatis Rafinesque, 1831
+ Unio perdix Lea, 1834
+ Unio biangularis Lea, 1840
+ Unio biangulatus Lea, 1840

Alasmidonta (Decurambis) marginata Say, 1818 = Alasmidonta marginata
+ Decurambis scriptum Rafinesque, 1831
+ Decurambis atropurpureum Rafinesque, 1831

Alasmidonta (Decurambis) marginata Say, 1818 = Alasmidonta atropurpurea

Alasmidonta (Decurambis) varicosa (Lamarck, 1819) = Alasmidonta varicosa
+ Alasmodon corrugata De Kay, 1843

Amblema costata Rafinesque, 1820 = Amblema plicata
+ Unio undulatus Barnes, 1823

Amblema peruviana (Lamarck, 1819) = Amblema plicata

Amblema plicata (Say, 1817)
+ Unio rariplicata Lamarck, 1819

Anodonta imbecillis Say, 1829 = Utterbackia imbecillis
+ Anodonta imbecilis Lea, 1836
+ Anodonta ohiensis Utterback, 1915

Carunculina mœsta (Lea, 1841) = Toxolasma lividum
+ Toxolasma lividus Rafinesque, 1831
+ Unio cylindrellus Lea, 1868
+ Unio corvunculus Lea, 1868

Carunculina mœsta (Lea, 1841) = Toxolasma corvunculus

Carunculina mœsta (Lea, 1841) = Toxolasma cylindrellus

Conradilla cælata (Conrad, 1834) = Lemiox rimosus
+ Bariosta (Lemiox) rimosus Rafinesque, 1831

Cyclonaias tuberculata (Rafinesque, 1820)

Cyprogenia irroratus (Lea, 1828) = Cyprogenia stegaria
+ Obovaria stegaria Rafinesque, 1820

Dysnomia (Pilea) torulosa (Rafinesque, 1820) = Epioblasma torulosa
+ Amblema gibbosa Rafinesque, 1820
+ Unio perplexus Lea, 1831

Dysnomia (Pilea) turgidula (Lea, 1858) = Epioblasma curtisii
+ Unio deviatus Reeve, 1864
+ Truncilla curtisii Utterback, 1916

Dysnomia (Pilea) turgidula (Lea, 1858) = Epioblasma turgidula

Dysnomia (s.s.) flexuosa (Rafinesque, 1820) = Epioblasma flexuosa
+ Unio foliatus Hildreth, 1828
+ Epioblasma biloba Rafinesque, 1831

Dysnomia (s.s.) flexuosa (Rafinesque, 1820) = Epioblasma rangiana

Dysnomia (Scalenilla) sulcata (Lea, 1829) = Epioblasma obliquata
+ Obliquaria (Scalenaria) obliquata Rafinesque, 1820
+ Unio ridibundus Say, 1829

Dysnomia (Truncillopsis) brevidens (Lea, 1831) = Epioblasma brevidens
+ Obliquaria (Plagiola) interrupta Rafinesque, 1820

Dysnomia (Truncillopsis) brevidens (Lea, 1831) = Ptychobranchus fasciolaris

Dysnomia (Truncillopsis) triquetra (Rafinesque, 1820) = Epioblasma triquetra
+ Unio triangularis Barnes, 1823
+ Unio cuneatus Swainson, 1823
+ Unio formosus Lea, 1831

Elliptio complanatus (Dillwyn, 1817) = Elliptio complanata
+ Unio violaceus Spengler, 1793

Elliptio crassidens (Lamarck, 1819)
+ Unio (Elliptio) nigra Rafinesque, 1820
+ Unio cuneatus Barnes, 1823

Elliptio dilatatus (Rafinesque, 1820) = Eurynia dilatata
+ Unio gibbosus Barnes, 1823
+ Obliquaria (Ellipsaria) cuprea Rafinesque, 1820

Elliptio productus (Conrad, 1836) = Elliptio producta

Elliptio pusillus (Lea, 1840) = Elliptio congaraea
+ Unio buxeus Lea, 1852

Elliptio rafinesquei (Vanatta, 1915) = Elliptio occulta
+ Unio fuscatus Lea, 1843

Fusconaia cor (Conrad, 1834) = Fusconaia cuneolus
+ Unio edgarianus Lea, 1840
+ Unio tuscumbiensis Lea, 1871
+ Unio andersonensis Lea, 1872
+ Unio obuncus Lea, 1871

Fusconaia cor (Conrad, 1834)

Fusconaia ebenus (Lea, 1831) = Reginaia ebenus
+ Obovaria obovalis Rafinesque, 1820

Fusconaia flava (Rafinesque, 1820)
+ Unio flavus Conrad, 1837
+ Unio rubiginosus Lea, 1829

Fusconaia subrotunda (Lea, 1831)
+ Obliquaria (Sintoxia) sintoxia Rafinesque, 1820
+ Obliquaria (Scalenaria) triangularis Rafinesque, 1820

Fusconaia subrotunda (Lea, 1831) = Pleurobema sintoxia

Fusconaia undatus (Barnes, 1823) = Fusconaia flava
+ Unio trigonus Lea, 1831

Lampsilis anodontoides (Lea, 1831) = Lampsilis teres
+ Unio (Eurynia) teres Rafinesque, 1820
+ Unio teres Say, 1834

Lampsilis fasciola Rafinesque, 1820
+ Unio multiradiatus Lea, 1829

Lampsilis siliquoidea (Barnes, 1823) = Lampsilis radiata
+ Unio luteola Lamarck, 1819
+ Unio inflatus Barnes, 1823

Lampsilis siliquoidea (Barnes, 1823)

Lampsilis ventricosa (Barnes, 1823) = Lampsilis cardium
+ Lampsilis cardium Rafinesque, 1820

Lasmigona (Alasminota) holstonia (Lea, 1838) = Alasminota holstonia
+ Sulcularia badia Rafinesque, 1831

Lasmigona (Platynaias) compressa (Lea, 1829) = Platynaias compressa

Lasmigona (Platynaias) subviridis (Conrad, 1835) = Pressodonta viridis
+ Unio viridis Conrad, 1835
+ Unio (Elliptio) viridis Rafinesque, 1820
+ Unio tappanianus Lea, 1838

Lasmigona (Platynaias) subviridis (Conrad, 1835) = Platynaias subviridis

Lasmigona (s.s.) costata (Rafinesque, 1820) = Lasmigona costata
+ Alasmodonta rugosa Barnes, 1823

Lastena lata (Rafinesque, 1820) = Hemistena lata
+ Unio dehiscens Say, 1829
+ Unio oriens Lea, 1831
+ Odatelia radiata Rafinesque, 1832

Leptodea fragilis (Rafinesque, 1820) = Potamilus fragilis
+ Unio gracilis Barnes, 1823

Leptodea leptodon (Rafinesque, 1820) = Potamilus leptodon
+ Anodon purpurascens Swainson, 1823
+ Unio velum Say, 1829
+ Symphynota tenuissima Lea, 1829
+ Lasmonos fragilis Rafinesque, 1831

Leptodea leptodon (Rafinesque, 1820) = Potamilus fragilis

Lexingtonia conradi (Vanatta, 1915) = Pleuronaia dolabelloides
+ Unio maculatus Conrad, 1834

Lexingtonia dolabelloides (Lea, 1840) = Pleuronaia dolabelloides

Ligumia recta (Lamarck, 1819)
+ Unio sageri Conrad, 1836

Ligumia recta latissima (Rafinesque, 1820) = Ligumia recta
+ Unio rectus Conrad, 1836

Medionidus conradicus (Lea, 1834)
+ Obliquaria plateolus Rafinesque, 1831

Megalonaias gigantea (Barnes, 1823) = Amblema plicata
+ Unio undulatus Barnes, 1823
+ Unio heros Say, 1829
+ Unio multiplicatus Lea, 1831

Megalonaias gigantea (Barnes, 1823) = Megalonaias nervosa

Obliquaria reflexa Rafinesque, 1820
+ Unio cornutus Barnes, 1823

Obovaria lens (Lea, 1831) = Obovaria subrotunda
+ Unio laevigatus Say, 1834

Obovaria olivaria (Rafinesque, 1820)
+ Unio ellipsis Lea, 1828

Obovaria retusa (Lamarck, 1819)
+ Obovaria torsa Rafinesque, 1820

Obovaria subrotunda (Rafinesque, 1820)
+ Obovaria striata Rafinesque, 1820
+ Unio circulus Lea, 1829

Plagiola lineolata (Rafinesque, 1820) = Ellipsaria lineolata
+ Obliquaria (Plagiola) depressa Rafinesque, 1820
+ Obliquaria (Ellipsaria) ellipsaria Rafinesque, 1820
+ Unio securis Lea, 1829

Plectomerus trapezoides (Lea, 1831) = Plectomerus dombeyanus
+ Unio crassidens Lamarck, 1819
+ Unio dombeyana Valenciennes, 1827
+ Unio interruptus Say, 1831
+ Bariosta ponderosus Rafinesque, 1831

Plethobasus cyphyus (Rafinesque, 1820)
+ Unio cyphia Rafinesque, 1820
+ Unio aesopus Green, 1827
+ Unio cicatricosus Say, 1829
+ Unio varicosus Lea, 1831

Plethobasus cyphyus (Rafinesque, 1820) = Plethobasus cicatricosus

Pleurobema catillus (Conrad, 1836) = Pleurobema sintoxia
+ Unio solidus Lea, 1838

Pleurobema clava (Lamarck, 1819)
+ Unio (Aximedia) elliptica Rafinesque, 1820
+ Obliquaria (Scalenaria) scalenia Rafinesque, 1820
+ Pleurobema mytiloides Rafinesque, 1820
+ Pleurobema cuneata Rafinesque, 1820
+ Unio patulus Lea, 1829

Pleurobema coccineum paupercula (Simpson, 1900) = Pleurobema sintoxia
+ Quadrula (sec. Fusconaia) coccinea var. magnalacustris Simpson, 1914

Pleurobema cordata (Rafinesque, 1820) = Reginaia ebenus
+ Unio obliqua Lamarck, 1819
+ Obliquaria (Sintoxia) lateralis Rafinesque, 1820
+ Unio obovata Conrad, 1834

Pleurobema cordata (Rafinesque, 1820) = Pleurobema cordatum

Pleurobema cordata (Rafinesque, 1820) = Fusconaia flava

Pleurobema lewisi (Lea, 1861) = Pleurobema fibuloides

Pleurobema plenum (Lea, 1840)
+ Quadrula cordata Vanatta, 1915

Pleurobema pyramidatum (Lea, 1831) = Pleurobema sintoxia
+ Obliquaria rubra Rafinesque, 1820

Pleurobema simpsoni Vanatta, 1915 = Pleurobema pyriforme
+ Unio striatus Lea, 1840
+ Unio modicus Lea, 1857
+ Unio amabilis Lea, 1865

Ptychobranchus fasciolare (Rafinesque, 1820) = Ptychobranchus fasciolaris
+ Unio phaseolus Hildreth, 1828

Quadrula metanevra (Rafinesque, 1820) = Theliderma metanevra
+ Unio nodosus Barnes, 1823

Quadrula nodulata (Rafinesque, 1820) = Pustulosa nodulata
+ Unio pustulatus Lea, 1831

Quadrula pustulosa (Lea, 1831) = Pustulosa pustulosa
+ Obliquaria (Quadrula) retusa Rafinesque, 1820
+ Obliquaria (Quadrula) bullata Rafinesque, 1820
+ Unio pernodosus Lea, 1845

Quadrula pustulosa prasina (Conrad, 1834) = Pustulosa pustulosa
+ Unio schoolcraftensis Lea, 1834

Quadrula quadrula (Rafinesque, 1820)
+ Unio rugosus Barnes, 1823
+ Unio lacrymosus Lea, 1828
+ Unio asperrimus Lea, 1831

Quadrula verrucosa (Rafinesque, 1820)
+ Unio tuberculatus Barnes, 1823

Strophitus rugosus (Swainson, 1822) = Strophitus undulatus
+ Alasmodonta edentula Say, 1829

Strophitus undulatus (Say, 1817)
+ Anodonta pensylvanica Lamarck, 1819

Truncilla donaciformis (Lea, 1828)
+ Unio (Leptodea) nervosa Rafinesque, 1820
+ Unio zigzag Lea, 1829

Truncilla donaciformis (Lea, 1828) = Megalonaias nervosa

Truncilla truncata Rafinesque, 1820
+ Unio elegans Lea, 1831