| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | "El Tigre" lake, Paraná River, near the city of Santa Fé, Argentina | 1582 | Feb 1989-Jan 1990 | type locality | freshwater | many specimens. | Noreña-Janssen C (1995): 226 | ||
| B | Los Sapos Island, Paraná River, Santa Fé, Argentina | 1583 | Feb 1989-Jan 1990 | freshwater | many specimens. | Noreña-Janssen C (1995): 226 |