Phylum: Mollusca - Class: Gastropoda

 

Family: Hydrobiidae W. Stimpson, 1865

Ecrobia ventrosa (Montagu, 1803)

Hydrobia acuta (Draparnaud, 1805)

Hydrobia glyca (Servain, 1880)
   
Peringia ulvae (Pennant, 1777)