 Callonaia duprei (Recluz, 1842) |  Castalia ambigua juruana (Ihering, 1910) |  Castalia ambigua Lamarck, 1819 |
 Castalia ambigua lateriquadrata Sowerby, 1869 |  Castalia ambigua quadrilatera Orbigny, 1835 |  Castalia inflata Orbigny, 1835 |
 Castalia multisulcata Hupe, 1857 |  Castalia undosa Martens, 1885 |  Castaliella quadrata (Sowerby, 1869) |
 Castaliella sulcata (Krauss, 1849) |  Diplodon aff. brownii (Lea, 1856) |  Diplodon cf. delodontus (Lamarck, 1819) |
 Diplodon charruanus (Orbigny, 1835) |  Diplodon delodontus paraguayensis (Lea, 1866) |  Diplodon ellipticus (Wagner, 1827) |
 Diplodon expansus (Kuster, 1853) |  Diplodon expansus eurhynchus (Kuster, 1861) |  Diplodon expansus mimus Simpson, 1914 |
 Diplodon expansus semigranosus Simpson, 1914 |  Diplodon fontaineanus (Orbigny, 1835) |  Diplodon granosus (Bruguiere, 1792) |
 Diplodon granosus granuliferus (Sowerby, 1848) |  Diplodon multistriatus (Lea, 1834) |  Diplodon multistriatus coriaceus (Dunker, 1848) |
 Diplodon rhombeus enno Ortmann, 1921 |  Diplodon rhuacoicus dunkerianus (Lea, 1860) |  Diplodon rhuacoicus subcylindricus Marshall, 1922 |
 Diplodon subcylindricus Marshall, 1922 |  Diplodon voltzi Vernhout, 1914 |  Diplodon wagnerianus Simpson, 1900 |
 Diplodon wymanii (I. Lea, 1860) |  Diplodon wymanii apprimus (Lea, 1866) |  Prisodon complanata (Hup�, 1857) |
 Prisodon corrugatus (Lamarck, 1819) |  Prisodon corrugatus amazonicus (Frierson, 1914) |  Prisodon obliquus (Schumacher, 1817) |
 Rhipidodonta aethiopiformis (Ihering, 1910) |  Rhipidodonta aff. grata (Lea, 1866) |  Rhipidodonta burroughiana (Lea, 1834) |
 Rhipidodonta charruana (Orbigny, 1835) |  Rhipidodonta charruana aethiopiformis (Ihering in litt.) |  Rhipidodonta charruana aethiopiformis (von Ihering in litt.) |
 Rhipidodonta charruana perplexa (Simpson, 1914) |  Rhipidodonta deceptus (Simpson, 1914) |  Rhipidodonta grata (Lea, 1866) |
 Rhipidodonta hylaea guaranianus (Orbigny, 1835) |  Rhipidodonta patelloides (Lea, 1860) |  Rhipidodonta rhombea (Wagner, 1827) |
 Rhipidodonta rhombea enno (Ortmann, 1921) |  Rhipidodonta suavidica (Lea, 1856) |  Rhipidodonta variabilis locellus (Lea, 1859) |
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