Collecting site
Paraná river, Santa Fé, Argentina
freshwater, high current velocity.  flood plain
latitude: -31.719999     31°43'12"S
longitude: -60.630001     60°37'48"W
[Precision of location: gauged from chart or map] 
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication] 
Collected here:
| Myoretronectes paranaensis Noreña-Janssen & Faubel, 1996 | Oct 1989 | sublittoral | fine to medium sand | interstitual, sediments 'are composed of fine and medium sands and are poor in organic matter because of high current velocities and low food supply from the water column.' | 
| Stenostomum bicaudatum Kennel, 1888 | 1995 or earlier |  |  | Paraná River | 
| Stenostomum leucops (Duges, 1828) | 1995 or earlier |  |  | Paraná River | 
| Stenostomum uronephrium Nuttycombe, 1931 | 1995 or earlier |  |  | Paraná River |