Piano, Switzerland
latitude: 46.283333     46 17 00 N
longitude: 8.516667     008 31 00 E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)] 
[Site Named Here by name of site (or city, etc.)] 
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1897 or earlier | Sümpfe bei Piano dei Porci (2200 m). | ||
| Mesostoma lingua (Abildgaard, 1789) | 1897 or earlier | Sümpfe bei Piano dei Porci (2220 m). | ||
| Gyratrix hermaphroditus Ehrenberg, 1831 | 1897 or earlier | St. Gotthard und Oberalp: Sümpfe bei Piano dei Porci (2200 m). | 
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