decussata, Ampullaria, S. Moricand, 1836b: 445, pl. 2 figs 26-27.

Type locality: [Brazil, la province de Bahia . Blanchet]. Syntypes: MHNG-INVE-33485 (2) ( Ampullariidae) [Figs 32-33]. – The largest specimen (here figured) corresponds to the original figure. “Many (> 10)” specimens are in the MCZ collection, catalogued as ‘paratypes’ [syntypes] and registered MCZ 141866. Other material as syntypes in NMB 1219a (8), NMB 1219b (4).