| Specimen ID | 118171 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | MO |
| County | Marion |
| Locality | Mississippi River (R.M. 319.8-320.0) [Goose Island 5 mi below Lock & Dam 21 in Quincy, IL] |
| Mapping Accuracy | Accurate |
| HUC8 Name | The Sny |
| HUC8 Number | 07110004 |
| HUC10 Name | Clear Creek-Mississippi River |
| HUC10 Number | 0711000403 |
| HUC12 Name | Bay Island-Mississippi River |
| HUC12 Number | 071100040303 |
| Map | |
| Collection Month | 7 |
| Collection Year | 1997 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Verifier | Travis Moore, Missouri Dept. of Conservation |
| Freshwater/Marine | Freshwater |
