| Specimen ID | 116714 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Alexander |
| Locality | Mississippi River (R.M. 47.0) in deep water behind wingdam on IL side of river 4 mi. south of Cape Girardeau, MO (or 3 mi N of Thebes) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Mississippi-Cape Girardeau |
| HUC8 Number | 07140105 |
| HUC10 Name | Cape La Croix Creek-Mississippi River |
| HUC10 Number | 0714010505 |
| HUC12 Name | Juden Creek-Mississippi River |
| HUC12 Number | 071401050503 |
| Map | |
| Collection Day | 6 |
| Collection Month | 11 |
| Collection Year | 1992 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Specimens collected alive. |
| Record Type | Specimen |
| Disposal | formalin |
| Museum Cat Number | INHS 13810 |
| Verifier | Doug Blodgett, IL Nat. Hist. Sur., Havana IL 309-5 |
| Freshwater/Marine | Freshwater |
| Number Collected | 4 |
| Year Class | adult |
| Size | 6 - 13 mm |
