| Specimen ID | 116414 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IN |
| County | Lake |
| Locality | Lake Michigan near Hammond, IN |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Michigan |
| HUC8 Number | 04190000 |
| HUC10 Name | Lake Michigan |
| HUC10 Number | 0419000002 |
| HUC12 Name | Lake Michigan |
| HUC12 Number | 041900000200 |
| Map | |
| Collection Day | 5 |
| Collection Month | 5 |
| Collection Year | 1991 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Comments | The clam shell containing zebra mussels on the outside of the clam shell half found washed up on the beach near the newly constructed Hammond Marina. |
| Record Type | Literature |
| Verifier | The Aquasphere Project, Dolton, IL |
| Freshwater/Marine | Freshwater |
| Number Collected | 8 |
