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

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Publication Cummings et al. (2025): taxonomic opinions
     publication summary

Complete Citation

Cummings, K.S., D.L. Graf, J.M. Pfeiffer & J.S. Tiemann. 2025. The Freshwater Mussels of Central America. Available electronically.

Taxonomic Opinions

Actinonaias coyensis (Pilsbry, 1910)
+ Lampsilis (Friersonia) coyensis var. vallesensis Haas, 1929

Actinonaias medellina (Lea, 1838)
+ Unio veracruzensis Lea, 1868

Actinonaias sapotalensis (Lea, 1841)
+ Unio computatus Crosse & Fischer, 1894
+ Lampsilis ruthveni H.B. Baker, 1922

Actinonaias signata (Pilsbry, 1910)
+ Lampsilis undivaga Pilsbry, 1910

Anodonta californiensis Lea, 1852 = Brachyanodon californiensis
+ Anodon micans J.G. Anthony, 1865
+ Anodonta dejecta Lewis, 1875
+ Anodonta mearnsiana Simpson, 1893

Anodontites cylindracea (Lea, 1838)
+ Anodon bambousearum Morelet, 1851
+ Anodonta strebelii Lea, 1868
+ Anodonta cylindracea var. subarcuatula Fischer & Crosse, 1894

Anodontites jaliscoensis Pilsbry, 1920

Anodontites lurulenta (Morelet, 1849)

Anodontites montezuma (Lea, 1841)
+ Anodonta atrovirens Philippi, 1849
+ Anodonta cornea Philippi, 1849
+ Anodonta inaequivalva Lea, 1868
+ Anodonta lenticularis Lea, 1868
+ Anodonta granadensis Lea, 1868

Anodontites tehuantepecensis (Crosse & Fischer, 1893)
+ Anodonta depexa Martens, 1900
+ Anodontites pittieri Marshall, 1922

Anodontites tortilis (Lea, 1852)
+ Anodonta trautwiniana Lea, 1852
+ Anodonta carinata Dunker, 1858
+ Anodonta luteola Lea, 1858
+ Anodontites palmeri Marshall, 1930

Anodontites trapesialis (Lamarck, 1819)
+ Anodonta glauca Valenciennes, 1827
+ Anodonta nicaraguae Philippi, 1849
+ Anodon ciconia Gould, 1851
+ Anodonta bridgesii Lea, 1868
+ Anodonta jewettiana Lea, 1868
+ Anodonta jewettii Lea, 1868
+ Anodonta glauca var. B sinaloensis Crosse & Fischer, 1884
+ Anodontites flucki Walker, 1924

Arotonaias cyrenoides (Philippi, 1847)
+ Unio newcombianus Lea, 1856
+ Unio newcombii Lea, 1868
+ Unio sagrinatus Sowerby, 1868

Arotonaias encarpa (Lea, 1868)
+ Unio (Plagiola?) imbricatus Mørch, 1861

Arotonaias gabbiana (Lea, 1868)
+ Unio nicaraguensis Lea, 1868

Arotonaias reticulata (Simpson, 1900)
+ Nephronaias elvae Walker, 1924

Brachyanodon impura (Say, 1829)
+ Unio (Anodonta) coarctata Anton, 1839
+ Anodon glabrus Sowerby, 1870
+ Anodonta exilior Lea, 1871
+ Anodonta viridana Clessin, 1876
+ Anodonta chapalensis Crosse & Fischer, 1893
+ Anodonta chalcoensis Crosse & Fischer, 1893
+ Anodonta richardsoni Martens, 1900

Cyrtonaias berlandierii (Lea, 1857)
+ Unio saladoensis Lea, 1860
+ Unio heermannii Lea, 1861
+ Unio grandensis Conrad, 1855
+ Cyrtonaias tampicoensis Bogan & Hoeh, 2000

Delphinonaias largillierti (Philippi, 1847)
+ Unio paludosus Morelet, 1849
+ Unio delphinulus Morelet, 1849
+ Unio planivalvis Morelet, 1851

Delphinonaias scutulata (Morelet, 1849)
+ Unio scutulatus var. B obliterata Fischer & Crosse, 1894
+ Unio scutulatus var. G secabilis Fischer & Crosse, 1894

Disconaias conchos Taylor, 1997

Disconaias disca (Lea, 1838)
+ Unio panacoensis Philippi, 1843
+ Unio mexicanus Sowerby, 1867
+ Unio lapidosus Kobelt, 1893
+ Unio (Lampsilis) discus var. connectens Martens, 1900

Disconaias fimbriata (Frierson, 1907)
+ Lampsilis (Proptera) salinasensis Dall, 1908
+ Lampsilis moctezumensis Pilsbry, 1910
+ Lampsilis (Disconaias) pilsbryana Frierson, 1927

Friersonia iridella (Pilsbry & Frierson, 1908)
+ Lampsilis novileonis Pilsbry, 1910

Fusconaia mitchelli (Simpson in Dall, 1895)
+ Unio (sec. Elliptio) mitchelli var. elongatus Simpson, 1914
+ Quincuncina guadalupensis Wurtz, 1950

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

Megalonaias nervosa (Rafinesque, 1820)
+ Unio heros Say, 1829
+ Unio eightsii Lea, 1860

Megalonaias nickliniana (Lea, 1834)
+ Unio digitatus Morelet, 1851
+ Unio (Crenodonta) stolli Martens, 1900

Mesonaias explicata (Morelet, 1849)
+ Unio testudineus Reeve, 1865
+ Unio microdon Martens, 1887
+ Unio (Lampsilis) rovirosai Pilsbry, 1900
+ Unio sapperi Ihering, 1901
+ Lampsilis (Proptera) lividus Simpson, 1900

Mesonaias tampicoensis (Lea, 1838)
+ Unio tecomatensis Lea, 1841
+ Actinonaias (Disconaias) walkeri H.B. Baker, 1922
+ Lampsilis rovirosai sanjuanensis H.B. Baker, 1922
+ Lampsilis (Cyrtonaias) tampicoensis kusteriana Frierson, 1927

Mesonaias umbrosa (Lea, 1856)
+ Unio alienigenus Crosse & Fischer, 1894

Micronaias arata (Lea, 1843)
+ Unio nuculinus Philippi, 1849
+ Unio globulosus Martens, 1900

Micronaias fallaciosa (Simpson, 1914)

Micronaias granadensis (Lea, 1868)
+ Micronaias marshalli Morrison, 1943

Mycetopoda siliquosa (Spix in Wagner, 1827)
+ Mycetopus weddellii Hupé, 1857

Mycetopoda subsinuata (Sowerby, 1868)
+ Mycetopus punctatus Preston, 1909

Nephritica haricotti (Frierson, 1927)

Nephritica poeyana (Lea, 1857)

Nephronaias aeruginosa (Morelet, 1849)

Nephronaias aztecorum (Philippi, 1847)
+ Unio plicatulus Küster, 1856
+ Unio strebelii Lea, 1866
+ Unio soledadensis Crosse & Fischer, 1893
+ Unio aztecorum “forma” major Martens, 1900
+ Lampsilis (Disconaias) martensi Frierson, 1927

Nephronaias calamitarum (Morelet, 1849)
+ Unio persulcatus Lea, 1859
+ Unio calamitarum var. B prolongata Fischer & Crosse, 1894
+ Unio calamitarum var. G arcuans Fischer & Crosse, 1894
+ Unio calamitarum var. D nephretica Fischer & Crosse, 1894

Nephronaias caldwellii (Lea, 1858)
+ Unio averyi Lea, 1859

Nephronaias chapalanus (von Martens, 1900)
+ Nephronaias aztecorum tolimanensis Pilsbry, 1920

Nephronaias copanensis (von Martens, 1900)

Nephronaias dysonii (Lea, 1859)
+ Elliptio (Nephronaias) sajensis Frierson, 1927

Nephronaias flucki Bartsch, 1906

Nephronaias goascoranensis (Lea, 1858)
+ Unio (Simonaias) championi Martens, 1900
+ Unio (Elliptio) guatemalanus Martens, 1900
+ Unio (Elliptio) radiatulus Martens, 1900
+ Nephronaias lempensis Marshall, 1926

Nephronaias gundlachi (Dunker, 1858) = Actinonaias gundlachi

Nephronaias hjalmarsoni (Dunker, 1858)

Nephronaias macnielii (Lea, 1869)

Nephronaias ortmanni (Frierson, 1913)

Nephronaias ravistella (Morelet, 1849)
+ Unio veraepacis Tristram, 1863
+ Unio vellicatus Reeve, 1865
+ Unio (Elliptio) ravistellus var. majusculus Martens, 1900

Nephronaias rowellii (Lea, 1859)

Nephronaias sallei (Crosse & Fischer, 1894)

Nephronaias scamnata (Morelet, 1849)
+ Unio (Simonaias) proclinatus Martens, 1900

Nephronaias tehuantepecensis (Crosse & Fischer, 1894)

Nephronaias tempisquensis Pilsbry, 1920

Nephronaias yzabalensis (Crosse & Fischer, 1893)

Pachynaias spheniopsis (Morelet, 1849)
+ Unio rugososulcatus Lea, 1866
+ Unio sallei var. grossus Martens, 1900

Popenaias berezai Inoue et al., 2020
+ Unio popeii Fischer & Crosse, 1894

Popenaias metallica (Say, 1831)
+ Unio cuprinus Lea, 1831
+ Unio aereus Reeve, 1865

Popenaias popeii (Lea, 1857)

Popenaias semirasa (Pilsbry, 1910)
+ Lampsilis metallica ganina Pilsbry, 1910
+ Elliptio (Popenaias) popei var. regalis Haas, 1929

Potamilus metnecktayi Johnson, 1998

Potamilus purpuratus (Lamarck, 1819)
+ Unio coloradoensis Lea, 1856

Psoronaias crocodilorum (Morelet, 1849)
+ Unio crocodilarum Simpson, 1900
+ Unio testudineus Morelet, 1849
+ Unio ostreatus Morelet, 1849
+ Unio psoricus Morelet, 1851
+ Unio morini Morelet, 1851
+ Unio corium Reeve, 1864
+ Unio percompressus Martens, 1887
+ Unio usumasintae Crosse & Fischer, 1893
+ Unio usumacintae Martens, 1900
+ Unio pigerrimus Crosse & Fischer, 1894
+ Unio crocodilorum var. B semipustulata Fischer & Crosse, 1894
+ Unio crocodilorum var. G praestricta Fischer & Crosse, 1894
+ Quadrula rudis Simpson, 1900
+ Quadrula (Rotundaria) quadrata Simpson, 1914
+ Quadrula (Rotundaria) profunda Simpson, 1914
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Psoronaias distincta (Crosse & Fischer, 1893)

Psoronaias kuxensis Frierson, 1917 = Psoronaias guatemalensis
+ Quadrula guatemalensis Simpson, 1900
+ Elliptio divaricatus Marshall, 1926
+ Elliptio (Nephronaias) hermanni Haas, 1929

Psoronaias rubicunda (von Martens, 1900)

Psoronaias semigranosa (von dem Busch in Philippi, 1843)
+ Elliptio herrerae Marshall, 1923

Pyganodon globosa (Lea, 1841)
+ Anodonta grijalvae Morelet, 1884
+ Anodonta tabascensis Morelet, 1884
+ Anodon nopalatensis Sowerby, 1867

Pyganodon grandis (Say, 1829)
+ Anodonta texasensis Lea, 1859
+ Anodonta leonensis Lea, 1862
+ Anodonta bealei Lea, 1863

Quadrula couchiana (Lea, 1860)

Quadrula quadrula (Rafinesque, 1820)
+ Unio apiculatus Say, 1829
+ Unio forsheyi Lea, 1859
+ Unio speciosus Lea, 1862

Sinanodonta woodiana (Lea, 1834)

Sphenonaias liebmanni (Philippi, 1847)
+ Elliptio (Sphenonaias) liebmanni cuatotolapamensis H.B. Baker, 1922

Sphenonaias opacata (Crosse & Fischer, 1894)

Sphenonaias plexus (Conrad, 1838)
+ Unio carbonarius Lea, 1838
+ Unio pliciferus Lea, 1838
+ Unio pliciferus var. B minor Fischer & Crosse, 1894

Toxolasma parvum (Barnes, 1823)
+ Carunculina parva cahni F.C. Baker, 1927
+ Unio pertennis de Gregorio, 1914

Toxolasma texasiense (Lea, 1857)
+ Unio texasensis Lea, 1860
+ Unio bairdianus Lea, 1857
+ Unio bealei Lea, 1862
+ Lampsilis mearnsi Simpson, 1900
+ Lampsilis (Carunculina) texasensis var. compressus Simpson, 1900

Truncilla cognata (Lea, 1860)

Uniomerus tetralasmus (Say, 1831)
+ Unio manubius Gould, 1855

Utterbackia imbecillis (Say, 1829)
+ Anodon horda Gould, 1855
+ Anodonta henryana Lea, 1857