| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Mollusks-Gastropods | Bithynia tentaculata | 1888 | Definite | Established | Dry Ballast, Hull Fouling, Packing Material |
| Mollusks-Bivalves | Corbicula fluminea | 1998 | Definite | Established | Aquatic Plant Shipments, Ballast Water, Discarded Bait, Pet Release |
| Mollusks-Bivalves | Dreissena bugensis | 1992 | Definite | Established | Ballast Water |
| Mollusks-Bivalves | Dreissena polymorpha | 1986 | Definite | Established | Ballast Water |
| Mollusks-Gastropods | Potamopyrgus antipodarum | 2006 | Definite | Established | Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal |