| Specimen ID | 117279 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Calhoun |
| Locality | Illinois River (R.M. 9) near Brussels, IL |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Illinois |
| HUC8 Number | 07130011 |
| HUC10 Name | Swan Lake-Illinois River |
| HUC10 Number | 0713001110 |
| HUC12 Name | Possum Creek-Illinois River |
| HUC12 Number | 071300111006 |
| Map | |
| Collection Day | 3 |
| Collection Month | 6 |
| Collection Year | 1992 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Specimen |
| Disposal | preserved |
| Museum Cat Number | INHS 13195 |
| Verifier | Kevin Cummings, Illinois Natural History Survey |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
