Amnicola limosus

Amnicola limosus, common name the mud amnicola, is a species of very small aquatic snail, an operculate gastropod mollusk in the family Hydrobiidae.
Distribution.
This species is distributed in the Northwest Atlantic Ocean and along the Gulf of Maine. "Amnicola limosus limosus" has been found in Utah.
The type locality is Delaware River and Schuylkill River.
Parasites.
"Amnicola limosus" is the first intermediate host for the trematode "Metorchis conjunctus".