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Ann Arbor, Michigan, USA
latitude: 42.271
longitude: -83.725998
Precision of location: Alexandria Digital Library (with USGS GNIS data)
Site Named Here: By name of site (or city, etc.)
| Phagocata vernalis | 1903 or earlier | from the Ann Arbor area. Kenk notes that Pearl's Dendrocoelum sp. comprises both Phagocata vernalis and P. velata. Stagnant water form is assumed to be P. vernalis and stream form P. velata. | ||
| Phagocata velata | 1903 or earlier | from the Ann Arbor area. Kenk notes that Pearl's Dendrocoelum sp. comprises both Phagocata vernalis and P. velata. Stagnant water form is assumed to be P. vernalis and stream form P. velata. | ||
| Prorhynchus stagnalis | 1949 or earlier | Ann Arbor region. |