| Family | Scientific Name | Common Name | Status | Reference |
| Mytilidae | Geukensia demissa | ribbed mussel | A,P,I | |
| Ostreidae | Crassostrea gigas | Pacific oyster | P | |
| Crassostrea virginica | eastern oyster | A,P,I | ||
| Ostrea edulis | edible oyster | A,I | ||
| Sphaeriidae | Pisidium amnicum | greater European pea clam | F,I | |
| Pisidium henslowanum | Henslow pea clam | F,I | ||
| Pisidium supinum | humpback pea clam | F,I | ||
| Pisidium corneum | European fingernail clam | F,I | ||
| Semelidae | Theora lubrica | Asian semele | P | |
| Corbiculidae | Corbicula fluminea | Asian clam | F,I, * | Corner 1986 |
| Veneridae | Gemma gemma | amehyst gemclam | A,P,I | |
| Mercenaria mercenaria | northern quahog | A,P,I | ||
| Tapes philippinarum | Japanese littleneck | P,I | ||
| Helicinidae | Alcadia striata | striate drop | T,I | |
| Viviparidae | Cipangopaludina chinensis malleata | chinese mystery snail | F,I | Clench & Fuller 1965; Burch & Tottenham 1980 |
| Cipangopaludina japenica | Japanese mystery snail | F,I | Clench & Fuller 1965; Burch & Tottenham 1980 | |
| Pilidae | Marisa cornuarietis | giant rams-horn | F,I, * | Hunt 1958; Hale 1964 |
| Pomacea bridgesi | Brazilian apple snail | F,I, * | Clench 1966 | |
| Thiaridae | Melanoides tuberculatus | red-rim melania | F,I, * | Roessla & Tabb 1977; Clench 1967 |
| Melanoides turricula | faune melania | F,I, * | Thompson 1984 | |
| Tarebia granifera | thiarid snail | F,I, * | Abbott 1950 | |
| Potamididae | Batillaria zonalis | Japanese false cerith | P,I | |
| Hyponicidae | Sabia conica | P,I | ||
| Calyptraeidae | Crepidula convexa | convex slippersnail | A,P,I | |
| Crepidula formicata | common Atlantic slippersnail | A,P,I | ||
| Muricidae | Urosalpinx cinerea | atlantic oyster drill | A,P,I | |
| Melongenidae | Busycotypus canaliculatus | channeled whelk | F,I,** | |
| Nassariidae | Ilyanassa obsoleta | eastern mud snail | A,P,I | |
| Nassarius fraterculus | Japanese nassa | P,I | ||
| Lymnaeidae | Radix auricularia | big ear radix | F,I | |
| Physidae | Physa skinneri | glass physa | F,I | |
| Planorbidae | Biomphalaria glabrata | bloodfluke planorb | F,I | |
| Drepanotrema aeruginosum | rusty rams-horn | F,I | ||
| Drepanotrema cimex | ridged rams-horn | F,I | ||
| Drepanotrema kermatoides | crested rams-horn | F,I | ||
| Carychiidae | Carychium minimum | herald snail | T,I | |
| Achatinidae | Achatina fulica | giant African snail | T,I, * | Roessler et al. 1977 |
| ? | Mytella charruana | charru mussel | 2) | Lachner et al. 1970 |
I=not native to U.S.; A=established Atlantic Coast of U.S.; P=established Pacific coast of U.S.; F=established in freshwater; T=terrestrial Back to top
*=established in Florida; ** native to Florida, introduced to Pacific coast
1)=modified from Turgeon 1988; 2)=see text