Ecrobia truncata
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Littorinimorpha
- family: Hydrobiidae
- genus: Ecrobia
- species: Ecrobia truncata
Branford- Branford Center
Connecticut- Bourne
- Chatham
- Edgartown
- Nahant
- Provincetown
Massachusetts
United States