Lago Ritom, Switzerland
latitude: 46.533333 46 32 00 N
longitude: 8.683333 008 41 00 E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]
| Dalyellia cuspidata (Schmidt, 1861) | 1897 or earlier | Lago Ritom (1829 m ü. M.), Lago Passo del Uomo (2310 m). | ||
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1897 or earlier | Lago Ritom (1829 m). | ||
| Mesostoma lingua (Abildgaard, 1789) | 1897 or earlier | Lago Ritom (1829 m). | ||
| Gyratrix hermaphroditus Ehrenberg, 1831 | 1897 or earlier | St. Gotthard und Oberalp: Lago Ritom (1829 m). | ||
| Gieysztoria cuspidata (Schmidt, 1861) | 1897 or earlier | St. Gotthard Lago Ritom 1829 m ü.M., Lago Passo del Uomo 2312 m ü.M. |
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