Unio koseretzi Simpson, 1900
‘Clessin’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894.
Simpson, 1914, Descr. Cat. Naiades: 1312.
Haas, 1930, Senckenbergiana 12: 182.
Bonetto, 1964, Physis 24(68): 327.
Parodiz, 1968, Sterkiana 30: 7.
Bonetto & Mansur, 1970, Acta Zool. Lilloana 27: 245.
(error for Unio koseritzi Clessin, 1888)

Unio greefeanus Haas, 1930
‘von Ihering’ of Authors.
Haas, 1930, Senckenbergiana 12: 192.
Bonetto, 1964, Physis 24(68): 325.
Bonetto, 1965, Anais Congr. Lat.-Amer. Zool. 2: 44.
(error for Unio greeffeanus Ihering, 1893)

Unio sancti-pauli Bonetto, 1964
‘Ihering’ Bonetto, 1964, Physis 24(68): 325.
‘Ihering’ Bonetto, 1965, Anais Congr. Lat.-Amer. Zool. 2: 44.
(error for Unio santi-pauli Haas, 1930)

Unio lepidioir Bonetto, 1964
‘Lea’ of Authors.
Bonetto, 1964, Physis 24(68): 327.
Bonetto, 1965, Anais Congr. Lat.-Amer. Zool. 2: 50.
Bonetto & Mansur, 1970, Acta Zool. Lilloana 27: 249.
Simone, 2006, Land. Freshw. Moll. Brazil.: 267.
(error for Margaron (Unio) lepidior Lea, 1870)

Diplodon (Rhipidodonta) charruanus (Orbigny, 1835)
+ Unio faba d’Orbigny, 1835
+ Unio funebralis Lea, 1860
+ Unio gratus Lea, 1860
+ Unio lepidus Lea, 1860
+ Unio nocturnus Lea, 1860
+ Unio peraeformis Lea, 1860
+ Unio piger Lea, 1860
+ Unio prunoides Lea, 1868
+ Margaron (Unio) lepidior Lea, 1870
+ Unio koseritzi Clessin, 1888
+ Unio martensi Ihering, 1893
+ Unio aethiopiformis Simpson, 1900
+ Diplodon (s.s.) iheringi Simpson, 1914
+ Diplodon (s.s.) perplexus Simpson, 1914
+ Diplodon hidalgoi Haas, 1916
+ Diplodon fortis Marshall, 1917
+ Diplodon berthae Ortmann, 1921
+ Diplodon hildae Ortmann, 1921
+ Diplodon trivialoides Marshall, 1922
+ Diplodon podagrosus Marshall, 1923
+ Unio sebastiani Haas, 1930

Diplodon (s.s.) delodontus delodontus (Lam.)

Diplodon (s.s.) delodontus enno Ortmann

Diplodon (s.s.) delodontus expansus (Küster, 1856)
+ Unio eurhynchus Küster, 1861
+ Unio aethiops var. piracicabana Ihering, 1893
+ Unio caipira Ihering, 1893
+ Unio greeffeanus Ihering, 1893
+ Unio paulista Ihering, 1893
+ Unio guahybae Simpson, 1900
+ Unio bischoffi Simpson, 1914
+ Diplodon (Cyclomya s.s.) fontainianus var. deceptus Simpson, 1914
+ Diplodon (s.s.) semigranosus Simpson, 1914
+ Diplodon decipiens Ortmann, 1921
+ Diplodon (s.s.) imitator Ortmann, 1921
+ Diplodon (s.s.) mogymirim Ortmann, 1921
+ Unio santi-pauli Haas, 1930

Diplodon (s.s.) delodontus pilsbryi Marshall, 1928
+ Diplodon yaguaronis Marshall, 1930

Diplodon (s.s.) delodontus wymanii (Lea)

Diplodon (s.s.) granosus ellipticus (Spix)

Diplodon (s.s.) granosus granosus (Bruguière)

Diplodon (s.s.) granosus multistriatus (Lea, 1831)
+ Unio coriaceus Dunker, 1849
+ Unio granuliferus Dunker, 1849
+ Unio pfeifferi Dunker, 1849
+ Unio rufofuscus Lea, 1865
+ Unio firmus var. boettgeri Ihering, 1893
+ Diplodon (s.s.) mimus Simpson, 1914
+ Diplodon (s.s.) santamariae Simpson, 1914
+ Diplodon simillimus Ortmann, 1921
+ Diplodon vicarius Ortmann, 1921

Diplodon (s.s.) rhuacoicus (d’Orbigny, 1835)
+ Unio aethiops Lea, 1860
+ Unio piceus Lea, 1860
+ Unio firmus Lea, 1866
+ Unio parcus Lea, 1866
+ Unio rhyacoicus Martens, 1868
+ Diplodon subcylindricus Marshall, 1922

Diplodon (s.s.) rotundus fontaineana [sic] (d’Orbigny, 1835)