| Specimen ID | 4406 |
| Group | Crustaceans-Crayfish |
| Genus | Faxonius |
| Species | virilis |
| Common Name | Virile Crayfish |
| State | MD |
| Locality | Patapsco River |
| Mapping Accuracy | Approximate |
| HUC8 Name | Gunpowder-Patapsco |
| HUC8 Number | 02060003 |
| Map | |
| Collection Year | 1960 |
| Year Accuracy | Actual |
| Potential Pathway | released bait |
| Status | established |
| Reference 1 |
| Ref. Number: | 1853 |
| Author: | Schwartz, F.J., R. Rubelmann, and J. Allison |
| Date: | 1963 |
| Title: | Ecological population expansion of the introduced crayfish, Orconectes virilis. |
| Journal: | Ohio Journal of Science |
| Volume: | 63 |
| Issue: | 6 |
| Pages: | 266-273 |
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| Comments | first reported in 1960; introduction could have been as early as 1885 (see Faxon 1885) |
| Record Type | Literature |
| Earliest Record | State |
| Freshwater/Marine | Freshwater |
