Species:
Mercuria tachoensis >
Genus:
Mercuria >
Subfamily:
Mercuriinae >
Family:
Hydrobiidae >
Superfamily:
Truncatelloidea >
Order:
Littorinimorpha >
Subclass:
Caenogastropoda >
Class:
Gastropoda >
Phylum:
Mollusca >
Kingdom:
Animalia >
Unranked:
Biota >