| Specimen ID | 1420940 |
| Group | Mollusks-Gastropods |
| Genus | Bithynia |
| Species | tentaculata |
| Common Name | mud bithynia |
| State | MD |
| County | Harford |
| Locality | Lower Big Gunpowder River, near Joppatown, MD |
| Mapping Accuracy | Approximate |
| HUC8 Name | Gunpowder-Patapsco |
| HUC8 Number | 02060003 |
| Map | |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | shipping solid ballast | unknown |
| Status | established |
| Record Type | Specimen |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |
