Collecting site
Monroe County, New York, USA
latitude: 43.150002     43°9'0.01"N
longitude: -77.682999     77°40'58.8"W
[Precision of location: Alexandria Digital Library (with USGS GNIS data)] 
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication] 
Collected here:
| Stenostomum agile Silliman, 1885 | 1913 or earlier |  |  |  | 
| Macrostomum sensitivum Silliman, 1884 | 1913 or earlier |  |  |  | 
| Dalyellia armigera Schmidt, 1861 | 1913 or earlier |  |  |  | 
| Olisthanella coeca (Silliman, 1885) | 1884 or earlier |  | mud | under rock. | 
| Mesostoma pattersoni Silliman, 1885 | 1884 or earlier |  |  |  | 
| Plagiostomum planum Silliman, 1885 | 1884 or earlier |  |  |  | 
| Microdalyellia blodgetti (Silliman, 1884) | 1911 or earlier |  |  | Monroe County, New York State. | 
| Gieysztoria blodgetti (Silliman, 1884) | 1884 or earlier |  |  | Staat of New York, Monroe County, Bloggetts Creek (Silliman) | 
| Castrella (Castrella) pinguis (Silliman, 1884) | 1884 or earlier |  |  | Vereinigte Staaten.  New York:  Monroe County |