| Specimen ID | 116706 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | LA |
| County | Concordia |
| Locality | Mississippi River (R.M. 315) at S.A. Murry, Jr. Hydroplant near Lettsworth, LA (near Old River Control Structure) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Mississippi-Natchez |
| HUC8 Number | 08060100 |
| HUC10 Name | Lake Mary-Mississippi River |
| HUC10 Number | 0806010006 |
| HUC12 Name | 080601000600 |
| HUC12 Number | 080601000600 |
| Map | |
| Collection Day | 9 |
| Collection Month | 2 |
| Collection Year | 1993 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Disposal | preserved |
| Museum Cat Number | USFWS, Natchitoches, LA |
| Verifier | S.J. Nichols, USFWS, Ann Arbor, MI |
| Freshwater/Marine | Freshwater |
| Number Collected | 7 |
| Year Class | adu/juv |
| Size | 2 - 20 mm |
