Basle (Basilea, Bale), Switzerland
latitude: 47.5667     47°34'0.12"N
longitude: 7.6     7°36'0"E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)] 
[Site Named Here by name of site (or city, etc.)] 
| Mesostoma armatum Fuhrmann, 1894 | 1894 or earlier | |||
| Mesostoma minimum Fuhrmann, 1894 | 1894 or earlier | |||
| Mesostoma perspicuum Fuhrmann, 1894 | 1894 or earlier | |||
| Mesostoma segne Fuhrmann, 1894 | 1894 or earlier | |||
| Stenostomum agile Silliman, 1885 | 1894 or earlier | 
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