Publication R.I. Johnson (1980): taxonomic opinions

publication summary

Complete Citation

Johnson, R.I. 1980. Zoogeography of North American Unionacea (Mollusca: Bivalvia) north of the maximum Pleistocene glaciation. Bulletin of the Museum of Comparative Zoology 149(2): 77-189. Available electronically.

Taxonomic Opinions

Actinonaias ellipsiformis (Conrad, 1836) = Venustaconcha pleasii
+ Unio venustus Lea, 1838
+ Unio pleasii Marsh, 1891

Actinonaias ellipsiformis (Conrad, 1836) = Venustaconcha ellipsiformis

Actinonaias ligamentina (Lamarck, 1819) = Ortmanniana ligamentina
+ Unio carinatus Barnes, 1823
+ Lampsilis (sec. Eurynia) ligamentina var. gibbus Simpson, 1900
+ Lampsilis (Eurynia) ligamentina var. nigrescens Simpson, 1914
+ Actinonaias carinata orbis Morrison, 1942

Actinonaias pectorosa (Conrad, 1834) = Ortmanniana ligamentina
+ Lampsilis (s.s.) sowerbyana Frierson, 1927
+ Unio pictus Sowerby, 1868

Actinonaias pectorosa (Conrad, 1834) = Ortmanniana pectorosa

Actinonaias rafinesqueana (Frierson, 1927) = Lampsilis rafinesqueana
+ Actinonaias streckeri Valentine & Stansbery, 1971

Alasmidonta calceolus (Lea, 1830) = Sulcularia viridis
+ Unio (Elliptio) viridis Rafinesque, 1820
+ Margaritana minor Lea, 1845
+ Alasmidonta (Pressodonta) calceolus danielsi F.C. Baker, 1928
+ Alasmidonta (Pressodonta) calceolus magnalacustris F.C. Baker, 1928

Alasmidonta heterodon (Lea, 1830) = Prolasmidonta heterodon

Alasmidonta marginata Say, 1819
+ Margaritana marginata var. truncata B.H. Wright, 1898
+ Alasmidonta (Decurambis) marginata variabilis F.C. Baker, 1928

Alasmidonta raveneliana (Lea, 1834)
+ Decurambis atropurpureum Rafinesque, 1831

Alasmidonta raveneliana (Lea, 1834) = Alasmidonta atropurpurea

Alasmidonta undulata (Say, 1817)

Alasmidonta varicosa (Lamarck, 1819)

Amblema plicata (Say, 1817)
+ Unio peruviana Lamarck, 1819
+ Amblema costata Rafinesque, 1820
+ Unio undulatus Barnes, 1823
+ Unio rariplicata Lamarck, 1819
+ Unio perplicatus Conrad, 1841
+ Unio quintardii Cragin, 1887
+ Unio pilsbryi Marsh, 1891
+ Cokeria southalli Marshall, 1916

Anodonta beringiana Middendorff, 1851 = Beringiana beringiana

Anodonta californiensis Lea, 1852

Anodonta cataracta cataracta (Say, 1817) = Pyganodon cataracta

Anodonta cataracta fragilis (Lamarck, 1819) = Pyganodon fragilis
+ Anodonta marginata Say, 1817
+ Anodonta brooksiana van der Schalie, 1938

Anodonta cataracta fragilis (Lamarck, 1819) = Pyganodon cataracta

Anodonta corpulenta Cooper, 1834 = Pyganodon grandis

Anodonta dejecta Lewis, 1875 = Anodonta californiensis

Anodonta grandis grandis Say, 1829 = Utterbackiana suborbiculata
+ Anodonta plana Lea, 1834
+ Anodonta stewartiana Lea, 1834
+ Anodonta gigantea Lea, 1838
+ Anodonta footiana Lea, 1840
+ Anodonta virens Lea, 1852
+ Anodonta opaca Lea, 1852
+ Anodonta leonensis Lea, 1862
+ Anodonta danielsii Lea, 1858
+ Anodonta texasensis Lea, 1859
+ Anodonta bealei Lea, 1863
+ Anodonta dakota Frierson, 1910
+ Anodonta (Nayadina) venusta de Gregorio, 1914

Anodonta grandis grandis Say, 1829 = Pyganodon grandis

Anodonta grandis simpsoniana Lea, 1861 = Pyganodon grandis

Anodonta imbecillis Say, 1829 = Utterbackia imbecillis
+ Anodonta ohiensis ‘Rafinesque’ of Authors
+ Utterbackia imbecillis fusca F.C. Baker, 1927

Anodonta implicata Say, 1829 = Utterbackiana implicata
+ Mytilus fucatus Dillwyn, 1817

Anodonta kennerlyi Lea, 1860

Anodonta nuttalliana Lea, 1838
+ Anodonta wahlamatensis Lea, 1838

Anodonta oregonensis Lea, 1838

Anodonta (Utterbackia) suborbiculata Say, 1831 = Utterbackiana suborbiculata

Anodontoides ferussacianus (Lea, 1834)
+ Anodonta subcylindracea Lea, 1838
+ Anodonta modesta Lea, 1857
+ Anodontoides birgei F.C. Baker, 1923

Arcidens confragosus (Say, 1829)
+ Arcidens confragosa jacintoensis Strecker, 1931

Arkansia wheeleri Ortmann & Walker, 1912 = Arcidens wheeleri

Carunculina cylindrella (Lea, 1868) = Toxolasma cylindrellus

Carunculina glans (Lea, 1831) = Toxolasma lividum
+ Toxolasma lividus Rafinesque, 1831
+ Unio moestus Lea, 1841

Carunculina parva (Barnes, 1823) = Toxolasma parvum
+ Unio texasiensis Lea, 1857
+ Unio cromwellii Lea, 1865
+ Carunculina parva cahni F.C. Baker, 1927

Carunculina parva (Barnes, 1823) = Toxolasma texasiense

Carunculina parva (Barnes, 1823) = Toxolasma paulum

Cumberlandia monodonta (Say, 1829)

Cyclonaias tuberculata (Rafinesque, 1820)
+ Unio graniferus Lea, 1838
+ Quadrula (sec. Rotundaria) granifera var. pusilla Simpson, 1900
+ Quadrula (Cyclonaias) tuberculata utterbackiana Frierson, 1927

Cyprogenia aberti (Conrad, 1850)
+ Unio lamarckianus Lea, 1852
+ Unio popenoi Call, 1885
+ Unio irroratus Call, 1895

Cyprogenia stegaria (Rafinesque, 1820)
+ Unio verrucosus albus Hildreth, 1828
+ Unio irroratus Lea, 1828
+ Cyprogenia irrorata var. pusilla Simpson, 1900
+ Unio stegarius ‘Rafinesque’ of Authors

Dromus dromas (Lea, 1834)
+ Unio caperatus Lea, 1845

Ellipsaria lineolata (Rafinesque, 1820)
+ Unio securis Lea, 1829

Elliptio complanata (Lightfoot, 1786)

Elliptio crassidens crassidens (Lamarck, 1819) = Elliptio crassidens
+ Unio (Elliptio) nigra Rafinesque, 1820

Elliptio dilatata (Rafinesque, 1820) = Eurynia dilatata
+ Unio gibbosus Barnes, 1823
+ Unio subgibbosus Lea, 1857
+ Unio (sec. Elliptio) gibbosus var. delicatus Simpson, 1900
+ Elliptio dilatata var. sterkii Grier, 1918

Elliptio dilatata (Rafinesque, 1820) = Elliptio arca

Fusconaia barnesiana (Lea, 1838) = Pleuronaia barnesiana
+ Unio tumescens Lea, 1845
+ Unio bigbyensis Lea, 1841

Fusconaia cuneolus (Lea, 1840)
+ Unio appressus Lea, 1871

Fusconaia ebena (Lea, 1831) = Reginaia ebenus
+ Obliquaria (Rotundaria) pusilla Rafinesque, 1820

Fusconaia edgariana (Lea, 1840) = Fusconaia cor
+ Fusconaia cor var. analoga Ortmann, 1918

Fusconaia flava (Rafinesque, 1820)
+ Unio rubiginosus Lea, 1829
+ Unio cerinus Conrad, 1838
+ Unio hebetatus Conrad, 1854
+ Unio rubidus Lea, 1861
+ Fusconaia flava var. parvula Grier, 1918

Fusconaia flava (Rafinesque, 1820) = Fusconaia cerina

Fusconaia ozarkensis (Call, 1887)
+ Pleurobema brevis subelliptica Simpson, 1900
+ Pleurobema argentea pannosa Simpson, 1900
+ Pleurobema utterbackii Frierson in Utterback, 1915
+ Quadrula (Fusconaia) flava sampsoniana Frierson, 1927

Fusconaia subrotunda (Lea, 1831)
+ Unio kirtlandianus Lea, 1834
+ Unio lesueurianus Lea, 1840
+ Unio pilaris Lea, 1840
+ Unio bursapastoris B.H. Wright, 1896
+ Quadrula (sec. Fusconaia) kirtlandiana var. minor Simpson, 1900
+ Pleurobema missouriensis Marsh, 1901
+ Fusconaja [sic] subrotunda leucogona Ortmann, 1913
+ Unio (Elliptio) nigra var. maculata Rafinesque, 1820

Fusconaia subrotunda (Lea, 1831) = Elliptio crassidens

Fusconaia subrotunda (Lea, 1831) = Pleurobema sintoxia

Fusconaia undata (Barnes, 1823) = Fusconaia flava
+ Obliquaria (Sintoxia) lateralis Rafinesque, 1820
+ Unio trigonus Lea, 1831
+ Unio friersoni B.H. Wright, 1896
+ Fusconaia selecta Wheeler, 1914
+ Fusconaia undata trigonoides Utterback, 1915
+ Fusconaia undata wagneri F.C. Baker, 1928

Fusconaia undata (Barnes, 1823) = Pleurobema riddellii

Glebula rotundata (Lamarck, 1819)
+ Unio suborbiculata Lamarck, 1819

Gonidea angulata (Lea, 1838)

Hemistena lata (Rafinesque, 1820)

Lampsilis abrupta (Say, 1831)
+ Toxolasma cyclips Rafinesque, 1831
+ Margarita (Unio) orbiculatus Lea, 1836
+ Unio crassus Conrad, 1836

Lampsilis abrupta (Say, 1831) = Obovaria subrotunda

Lampsilis cariosa (Say, 1817)

Lampsilis excavata (Lea, 1857) = Lampsilis ornata

Lampsilis fasciola Rafinesque, 1820

Lampsilis higginsi (Lea, 1857) = Lampsilis higginsii
+ Lampsilis (Eurynia) higginsii var. grandis Simpson, 1914

Lampsilis hydiana (Lea, 1838)
+ Unio placitus Lea, 1852

Lampsilis hydiana (Lea, 1838) = Hamiota perovalis

Lampsilis ochracea (Say, 1817) = Atlanticoncha ochracea
+ Mytilus fluviatilis Gmelin, 1791

Lampsilis ovata (Say, 1817)
+ Unio ventricosus Barnes, 1823
+ Unio occidens Lea, 1829
+ Unio canadensis Lea, 1857
+ Lampsilis (s.s.) ventricosa var. lurida Simpson, 1914
+ Lampsilis ventricosa perglobosa F.C. Baker, 1928
+ Lampsilis ventricosa winnebagoensis F.C. Baker, 1928

Lampsilis ovata (Say, 1817) = Lampsilis cardium

Lampsilis powelli (Lea, 1852) = Lampsilis powellii

Lampsilis radiata radiata (Gmelin, 1791) = Lampsilis radiata

Lampsilis radiata siliquoidea (Barnes, 1823) = Lampsilis radiata
+ Unio luteola Lamarck, 1819
+ Unio rosaceus De Kay, 1843
+ Unio superiorensis Marsh, 1897
+ Lampsilis siliquoidea pepinensis F.C. Baker, 1927
+ Lampsilis siliquoidea chadwicki F.C. Baker, 1928

Lampsilis radiata siliquoidea (Barnes, 1823) = Lampsilis siliquoidea

Lampsilis satur (Lea, 1852) = Lampsilis satura

Lampsilis teres (Rafinesque, 1820)
+ Unio anodontoides Lea, 1831
+ Lampsilis fallaciosus Smith, 1899

Lampsilis virescens (Lea, 1858)

Lasmigona complanata (Barnes, 1823) = Pterosyna complanata
+ Unio katherinae Lea, 1838

Lasmigona compressa (Lea, 1829) = Platynaias compressa

Lasmigona costata (Rafinesque, 1820)
+ Lasmigona costata pepinensis F.C. Baker, 1928
+ Lasmigona costata nuda F.C. Baker, 1928

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

Lasmigona holstonia (Lea, 1838) = Sulcularia viridis

Lasmigona subviridis (Conrad, 1835) = Platynaias subviridis

Lemiox rimosus (Rafinesque, 1831)

Leptodea fragilis (Rafinesque, 1820) = Potamilus fragilis
+ Lampsilis simpsoni Ferriss, 1900
+ Lampsilis gracilis lacustris F.C. Baker, 1922

Leptodea laevissima (Lea, 1829) = Potamilus ohiensis
+ Anodonta (Lastena) ohiensis Rafinesque, 1820

Leptodea leptodon (Rafinesque, 1820) = Potamilus leptodon
+ Lampsilis blatchleyi Daniels, 1902

Lexingtonia dolabelloides (Lea, 1840) = Pleuronaia dolabelloides
+ Pleurobema conradi Vanatta, 1915

Ligumia nasuta (Say, 1817) = Sagittunio nasutus

Ligumia recta (Lamarck, 1819)
+ Unio (Eurynia) latissima Rafinesque, 1820
+ Unio sageri Conrad, 1836

Ligumia subrostrata (Say, 1831) = Sagittunio subrostratus
+ Lampsilis (Eurynia) subrostrata var. furva Simpson, 1914

Margaritifera falcata (Gould, 1850)

Margaritifera margaritifera (Linnaeus, 1758)

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

Megalonaias gigantea (Barnes, 1823) = Megalonaias nervosa
+ Unio (Leptodea) nervosa Rafinesque, 1820
+ Unio heros Say, 1829

Obliquaria reflexa Rafinesque, 1820

Obovaria jacksoniana (Frierson, 1912) = Obovaria arkansasensis
+ Unio castaneus Lea, 1831

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

Obovaria retusa (Lamarck, 1819)

Obovaria subrotunda (Rafinesque, 1820)
+ Unio (Aximedia) levigata Rafinesque, 1820
+ Unio lens Lea, 1831
+ Obovaria lens var. parva Simpson, 1914
+ Obovaria lens var. elongata Simpson, 1914
+ Obovaria subrotunda globula Morrison, 1942

Pegias fabula (Lea, 1836)

Plagiola arcaeformis (Lea, 1831) = Epioblasma arcaeformis

Plagiola biemarginata (Lea, 1857) = Epioblasma biemarginata

Plagiola capsaeformis (Lea, 1834) = Epioblasma capsaeformis

Plagiola flexuosa (Rafinesque, 1820) = Epioblasma flexuosa

Plagiola florentina (Lea, 1857) = Epioblasma florentina
+ Truncilla curtisii Frierson & Utterback in Utterback, 1916

Plagiola florentina (Lea, 1857) = Epioblasma curtisii

Plagiola haysiana (Lea, 1834) = Epioblasma haysiana

Plagiola interrupta (Rafinesque, 1820) = Ptychobranchus fasciolaris

Plagiola lenior (Lea, 1840) = Epioblasma lenior

Plagiola obliquata (Rafinesque, 1820) = Epioblasma obliquata
+ Unio sulcatus Lea, 1829

Plagiola personata (Say, 1829) = Epioblasma personata

Plagiola propinqua (Lea, 1857) = Epioblasma propinqua

Plagiola sampsonii (Lea, 1862) = Epioblasma sampsonii

Plagiola stewardsoni (Lea, 1852) = Epioblasma stewardsonii

Plagiola torulosa (Rafinesque, 1820) = Epioblasma torulosa

Plagiola triquetra (Rafinesque, 1820) = Epioblasma triquetra

Plagiola turgidula (Lea, 1858) = Epioblasma turgidula
+ Truncilla lefevrei Utterback, 1916

Plectomerus dombeyanus (Valenciennes, 1827)
+ Unio trapezoides Lea, 1831

Plethobasus cicatricosus (Say, 1829) = Reginaia ebenus
+ Obovaria pachostea Rafinesque, 1820

Plethobasus cicatricosus (Say, 1829)

Plethobasus cooperianus (Lea, 1834)
+ Obovaria striata Rafinesque, 1820

Plethobasus cooperianus (Lea, 1834) = Obovaria subrotunda

Plethobasus cyphyus (Rafinesque, 1820)
+ Unio aesopus Green, 1827
+ Unio compertus Frierson, 1911

Pleurobema clava (Lamarck, 1819)

Pleurobema cordatum (Rafinesque, 1820) = Pleurobema plenum
+ Unio obliqua Lamarck, 1819
+ Unio plenus Lea, 1840
+ Unio coccineus Conrad, 1836
+ Unio coccineus Lea, 1838
+ Unio catillus Conrad, 1836
+ Unio solidus Lea, 1838
+ Obliquaria (Sintoxia) sintoxia Rafinesque, 1820
+ Unio cuneus Conrad, 1838
+ Unio gouldianus Ward in Jay, 1839
+ Unio fulgidus Lea, 1845
+ Quadrula (sec. Fusconaia) coccinea var. paupercula Simpson, 1900
+ Quadrula (sec. Fusconaia) coccinea var. magnalacustris Simpson, 1914
+ Pleurobema coccineum var. mississippiensis F.C. Baker, 1928
+ Unio pyramidatus Lea, 1831
+ Unio cardiacea Guérin-Méneville, 1823

Pleurobema cordatum (Rafinesque, 1820)

Pleurobema cordatum (Rafinesque, 1820) = Pleurobema sintoxia

Pleurobema gibberum (Lea, 1838) = Pleuronaia gibber

Pleurobema oviformis (Conrad, 1834) = Pleurobema oviforme
+ Unio argenteus Lea, 1841
+ Unio holstonensis Lea, 1840

Proptera alata (Say, 1817) = Potamilus alatus
+ Metaptera megaptera Rafinesque, 1820

Proptera capax (Green, 1832) = Potamilus capax
+ Symphynota globosa Lea, 1834

Proptera purpurata (Lamarck, 1819) = Potamilus purpuratus

Ptychobranchus fasciolare (Rafinesque, 1820) = Ptychobranchus fasciolaris

Ptychobranchus greeni (Conrad, 1834) = Ptychobranchus greenii

Ptychobranchus occidentalis (Conrad, 1836)
+ Ptychobranchus clintonensis Simpson, 1900

Ptychobranchus subtentum (Say, 1825) = Ptychobranchus subtentus

Quadrula apiculata (Say, 1829) = Quadrula quadrula

Quadrula cylindrica (Say, 1817) = Theliderma cylindrica
+ Unio cylindricus var. strigillatus B.H. Wright, 1898

Quadrula intermedia (Conrad, 1836) = Theliderma intermedia

Quadrula metanevra (Rafinesque, 1820) = Theliderma metanevra
+ Unio wardii Lea, 1861

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

Quadrula pustulosa (Lea, 1831) = Pustulosa pustulosa
+ Obliquaria (Quadrula) bullata Rafinesque, 1820
+ Unio schoolcraftensis Lea, 1834
+ Unio kienerianus Lea, 1852
+ Unio asperatus Lea, 1861
+ Unio refulgens Lea, 1868

Quadrula pustulosa (Lea, 1831) = Pustulosa kieneriana

Quadrula quadrula (Rafinesque, 1820) = Pustulosa pustulosa
+ Unio rugosus Barnes, 1823
+ Unio lacrymosus Lea, 1828
+ Unio asperrimus Lea, 1831
+ Unio fragosus Conrad, 1835
+ Unio asper Lea, 1831
+ Unio prasinus Conrad, 1834
+ Unio nobilis Conrad, 1854
+ Unio nobilis Conrad, 1854
+ Quadrula quadrula contraryensis Utterback, 1915
+ Quadrula (Quadrula) quadrula bullocki F.C. Baker, 1928

Quadrula quadrula (Rafinesque, 1820)

Quadrula quadrula (Rafinesque, 1820) = Quadrula fragosa

Quadrula quadrula (Rafinesque, 1820) = Quadrula nobilis

Quadrula tuberosa (Lea, 1840) = Theliderma metanevra
+ Unio sparsus Lea, 1841
+ Quadrula biangulata Morrison, 1942

Quadrula tuberosa (Lea, 1840) = Theliderma sparsa

Quadrula tuberosa (Lea, 1840) = Theliderma intermedia

Simpsoniconcha ambigua (Say, 1825) = Simpsonaias ambigua

Strophitus undulatus (Say, 1817)
+ Anodon rugosus Swainson, 1822
+ Alasmodonta edentula Say, 1829
+ Anodonta pavonia Lea, 1838
+ Strophitus undulatus tennesseensis Frierson, 1927
+ Strophitus undulatus ovatus Frierson, 1927
+ Strophitus rugosus pepinensis F.C. Baker, 1928
+ Strophitus rugosus winnebagoensis F.C. Baker, 1928
+ Strophitus rugosus lacustris F.C. Baker, 1928

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

Truncilla donaciformis (Lea, 1828)

Truncilla truncata Rafinesque, 1820
+ Unio elegans Lea, 1831
+ Truncilla truncata var. lacustris F.C. Baker, 1928

Uniomerus tetralasmus (Say, 1831)
+ Unio camptodon Say, 1832
+ Unio sayii Ward in Tappan, 1839

Villosa arkansasensis (Lea, 1862) = Obovaria arkansasensis

Villosa fabalis (Lea, 1831) = Paetulunio fabalis

Villosa iris (Lea, 1829) = Cambarunio iris
+ Unio nebulosus Conrad, 1834

Villosa iris (Lea, 1829) = Cambarunio nebulosus

Villosa lienosa (Conrad, 1834) = Leaunio lienosus

Villosa ortmanni (Walker, 1925) = Leaunio ortmanni

Villosa reeviana [sic] (Lea, 1852) = Lampsilis reeveiana
+ Unio breviculus Call, 1887
+ Lampsilis brittsi Simpson, 1900

Villosa reeviana [sic] (Lea, 1852) = Lampsilis brittsi

Villosa taeniata (Conrad, 1834) = Cambarunio taeniatus
+ Obliquaria (Aximedia) teneltus Rafinesque, 1831

Villosa trabalis (Conrad, 1834) = Venustaconcha trabalis
+ Unio perpurpureus Lea, 1861

Villosa vanuxemensis (Lea, 1838) = Leaunio vanuxemensis

Villosa vibex (Conrad, 1834) = Lampsilis streckeri
+ Lampsilis (Ligumia) streckeri Frierson, 1927

Villosa vibex (Conrad, 1834)