| Specimen ID | 117291 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Randolph |
| Locality | Mississippi River (upper R.M. 106) 4 river miles downriver from Chester |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Mississippi-Cape Girardeau |
| HUC8 Number | 07140105 |
| HUC10 Name | Cinque Hommes Creek-Mississippi River |
| HUC10 Number | 0714010503 |
| HUC12 Name | Rockwood Island-Mississippi River |
| HUC12 Number | 071401050306 |
| Map | |
| Collection Day | 12 |
| Collection Month | 11 |
| Collection Year | 1994 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Specimens collected dead. |
| Record Type | Specimen |
| Disposal | preserved |
| Museum Cat Number | INHS 16928 |
| Verifier | Kevin Cummings, Illinois Natural History Survey |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
