Bocourtia tupacii (A. d�Orbigny, 1835) | 
Bostryx cordillerae (Strobel, 1874) | 
Bostryx martinezi (Hylton Scott, 1965) |
Bostryx peristomatus (Doering, 1879) | 
Bostryx rudisculptus (Parodiz, 1956) | 
Bostryx stelzneri (Dohrn, 1875) |
Bostryx stelzneri hector Ho�mberg, 1919 | 
Bostryx torallii (A. d�Orbigny, 1835) | 
Bostryx torallii birabeni (H.Scott, 1948) |
Bostryx torallyi climacographus (Holmberg, 1912) | 
Bostryx torallyi corrugatus (Parodiz, 1947) | 
Bostryx tortoranus (Doering, 1879) |
Bulimulus angustus Weyrauch, 1966 | 
Bulimulus bonariensis bonariensis (Rafinesque, 1833) | 
Bulimulus gracilis Hylton Scott, 1948 |
Bulimulus rushii Pilsbry, 1897 | 
Bulimulus uruguayanus Pilsbry, 1897 | 
Drymaeus aff. abyssorum (A. d�Orbigny, 1835) |
Drymaeus cf. higrohylaeus (A. d�Orbigny, 1835) | 
Drymaeus higrohylaeus (A. d�Orbigny, 1835) | 
Drymaeus papyrifactus Pilsbry, 1898 |
Drymaeus poecilus (A. d�Orbigny, 1835 | 
Naesiotus apodemetes (A. d�Orbigny, 1835) | 
Naesiotus oxylabris (Doering, 1879) |
Naesiotus rivasii (A. d�Orbigny, 1837) | | |
