| Specimen ID | 116171 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Cook |
| Locality | Lake Michigan, South Chicago, Offshore on sunken ship David Dow |
| Mapping Accuracy | Approximate |
| HUC8 Name | Little Calumet-Galien |
| HUC8 Number | 04040001 |
| Map | |
| Collection Month | 6 |
| Collection Year | 1991 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | Several |
