zischkai
Pomacea zischkai Blume & Pain, 1952 . Additional type material — paratype: ZMA 136139 (1 spm.); possible paratypes: USNM 667036 (2 spms.), MNHNM 6275 (1 spm., labelled “ paratype ”).
z onata
Ampullaria zonata d’Orbigny, 1835 . Additional type material – possible syntype: MNHNCL 15872 (1 spm., old number 61.045, as spixii d’Orbigny, 1838).