Anodontites (s.s.) clessini (Fischer, 1890)
Anodontites (s.s.) crispatus soleniformis (Orbigny, 1835)
+ Anodon solenidea Sowerby, 1867
+ Anodon solenoidea Clessin, 1888
+ Glabaris soleniformis var. apae Ihering, 1893
+ Glabaris nehringi Ihering, 1893
Anodontites (s.s.) crispatus tenebricosus (Lea, 1834)
+ Mycetopus plicatus Clessin, 1882
+ Anodonta tenebricosta Corsi, 1900
Anodontites (s.s.) felix (Pilsbry, 1896)
Anodontites (s.s.) lucidus (Orbigny, 1835)
Anodontites (s.s.) patagonicus (Lamarck, 1819)
+ Anodon crassus Swainson, 1823
+ Anodonta latomarginata Lea, 1834
+ Anodonta mortoniana Lea, 1834
+ Unio (Anodontes) sirionos d’Orbigny, 1835
+ Unio (Anodontes) ferrarisii d’Orbigny, 1835
+ Anodonta membranacea d’Orbigny, 1846
+ Anodonta solida Küster, 1853
+ Anodonta wymanii Lea, 1860
+ Anodonta uruguayensis Lea, 1860
+ Anodonta patagonia Lea, 1867
+ Anodonta latimarginata Martens, 1868
+ Anodonta latimarginata var. inflata Martens, 1868
+ Anodonta sinuosa Clessin, 1873
+ Anodonta moitoniana Doering, 1875
+ Anodonta iheringi Clessin, 1882
+ Glabaris wymanni Ihering, 1891
+ Glabaris bergi Ihering, 1893
+ Anodontites mansfieldi Marshall, 1928
Anodontites (s.s.) trapesialis forbesianus (Lea, 1860)
+ Anodonta gigantea Martens, 1868
+ Anodonta exotica Martens, 1868
+ Anodon rioplatensis Sowerby, 1870
+ Anodonta trapezialis Doering, 1875
+ Anodonta riograndensis Ihering, 1890
+ Glabaris susannae Ihering, 1893
+ Glabaris trapesialis var. cygneiformis Pilsbry, 1896
+ Glabaris simpsonianus Pilsbry, 1896
+ Anodonta troperziali, var. exotica Corsi, 1900
Anodontites (s.s.) trapezeus (Spix, 1827)
+ Anodon rotundus Wagner, 1827
+ Unio (Anodontes) spixii d’Orbigny, 1835
+ Anodonta rubicunda Lea, 1860
+ Anodonta cailliaudii Lea, 1860
+ Anodonta pazii Lea, 1866
+ Anodon caillaudii Sowerby, 1867
+ Glabaris trapezea var. caipira Ihering, 1893
+ Glabaris trapezea var. sowerbyana Ihering, 1893
Castalia ambigua inflata Orbigny, 1835
Castalia psammoica (Orbigny, 1835)
+ Castalia psamoica Bonetto & Ezcurra, 1965
Castalia undosa martensi (Ihering, 1891)
+ Castalia ambigua Clessin, 1888
Diplodon burroughianus (Lea, 1834)
+ Unio burroughianus d’Orbigny, 1835
+ Unio locellus Lea, 1866
+ Diplodon (s.s.) iheringi Simpson, 1914
+ Diplodon (Cyclomya) smithi Marshall, 1926
Diplodon charruanus (Orbigny, 1835)
+ Unio faba d’Orbigny, 1835
+ Unio lepidus Lea, 1860
+ Unio parcus Lea, 1866
+ Margaron (Unio) lepidior Lea, 1870
+ Diplodon (s.s.) perplexus Simpson, 1914
+ Diplodon trivialoides Marshall, 1922
Diplodon delodontus delodontus (Lamarck, 1819)
+ Unio lacteolus Lea, 1834
+ Unio divaricatus Lea, 1834
+ Unio rudus Lea, 1859
+ Unio firmus Lea, 1866
+ Unio paraguayensis Lea, 1866
+ Unio delodon Martens, 1868
+ Unio rudis Doering, 1875
+ Unio delodontes Doering, 1875
Diplodon delodontus wymani (Lea, 1860)
+ Diplodon felipponei Marshall, 1917
+ Diplodon wimani Bertoni, 1925
Diplodon dunkerianus (Lea, 1856)
Diplodon ellipticus (Wagner in Spix, 1827)
+ Diplodon ellypticum Wagner, 1827
+ Unio multistriatus Lea, 1831
+ Unio ellipticus Küster, 1861
+ Diplodon (s.s.) wagnerianum Simpson, 1900
+ Diplodon jacksoni Marshall, 1928
Diplodon expansus (Küster, 1856)
+ Unio effulgens Lea, 1856
+ Unio eurhynchus Küster, 1861
+ Unio aethiops var. piracicabana Ihering, 1893
+ Diplodon (s.s.) aethiops var. piricicabana Simpson, 1900
+ Unio guahybae Simpson, 1900
+ Diplodon (s.s.) mimus Simpson, 1914
+ Diplodon (s.s.) mogymirim Ortmann, 1921
Diplodon funebralis (Lea, 1860)
+ Unio disculus Lea, 1860
Diplodon martensi (Ihering, 1893)
+ Unio binneyi Lea, 1845
+ Unio firmus var. boettgeri Ihering, 1893
+ Diplodon (s.s.) suppositus Simpson, 1914
+ Diplodon (s.s.) santamariae Simpson, 1914
+ Diplodon (s.s.) imitator Ortmann, 1921
+ Diplodon simillimus Ortmann, 1921
+ Diplodon vicarius Ortmann, 1921
+ Diplodon decipiens Ortmann, 1921
+ Unio sebastiani Haas, 1930
+ Unio multistriatus Haas, 1931
Diplodon parallelipipedon [sic] aethiops (Lea, 1860)
+ Unio aethiopiformis Simpson, 1900
Diplodon parallelipipedon parallelipipedon [sic] (Lea, 1834)
+ Unio parallepipedon d’Orbigny, 1835
+ Diplodon parallelipipedon d’Orbigny, 1846
+ Unio acutirostris Lea, 1866
Diplodon peraeformis (Lea, 1860)
+ Unio prunoides Lea, 1868
Diplodon piceus (Lea, 1860)
+ Unio koseritzi Clessin, 1888
+ Unio koseretzi Simpson, 1900
+ Diplodon hidalgoi Haas, 1916
+ Diplodon fortis Marshall, 1917
+ Diplodon hildae Ortmann, 1921
+ Diplodon berthae Ortmann, 1921
Diplodon rhuacoicus (Orbigny, 1835)
+ Unio rhyacoicus Martens, 1868
+ Unio charruanus Sowerby, 1868
+ Diplodon subcylindricus Marshall, 1922
+ Diplodon pilsbryi Marshall, 1928
+ Diplodon yaguaronis Marshall, 1930
Diplodon rotundus gratus (Lea, 1860)
+ Unio rufofuscus Lea, 1865
+ Unio gratus Ihering, 1893
+ Diplodon (Cyclomya s.s.) fontainianus var. deceptus Simpson, 1914
Diplodon uruguayensis (Lea, 1860)
+ Unio piger Lea, 1860
+ Unio apprimus Lea, 1866
+ Unio ampullaceus Lea, 1866
+ Diplodon podagrosus Marshall, 1923
Fossula fossiculifera fossiculifera (Orbigny, 1835)
+ Monocondylaea fasciculifera Ihering, 1891
Leila blainvilleana [sic] (Lea, 1834)
+ Leila castelnaudii Hupé, 1857
+ Columba blainvilleana Ihering, 1890
+ Columba blainvilleana var. riograndensis Ihering, 1890
Monocondylaea corrientesensis Orbigny, 1835
+ Monocondyloea lentiformis Lea, 1866
+ Monocondylaea corrientesiana Martens, 1868
+ Monocondylaea corrientina Doering, 1875
+ Monocondylaea felipponei Marshall, 1922
Monocondylaea minuana Orbigny, 1835
+ Monocondyloea pazii Lea, 1866
Monocondylaea paraguayana Orbigny, 1835
+ Monocondylaea orbignyana Doello-Jurado, 1917
+ Monocondylaea orbignyi Bonetto & et al., 1950
Monocondylaea parchappii Orbigny, 1835
Mycetopoda legumen (Martens, 1888)
+ Mycetopoda felipponei Marshall, 1928
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