Philadelphia, Pennsylvania, USA
latitude: 39.952 39°57'7.2"N
longitude: -75.164001 75°9'50.4"W
[Precision of location: Alexandria Digital Library (with USGS GNIS data)]
[Site Named Here by name of site (or city, etc.)]
Prostomum marginatum | 1847 or earlier | ditches. | ||
Hydrolimax bruneus | 1891 or earlier | collected in a small stream in Fairmont Park. | ||
Phagocata gracilis | prior to 1885 | |||
Rhynchoscolex vejdovskyi | 1913 or earlier | |||
Microstomum philadelphicum | 1852 or earlier |
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