Species:
Laevicaspia derzhavini >
Genus:
Laevicaspia >
Subfamily:
Pyrgulinae >
Family:
Hydrobiidae >
Superfamily:
Truncatelloidea >
Order:
Littorinimorpha >
Subclass:
Caenogastropoda >
Class:
Gastropoda >
Phylum:
Mollusca >
Kingdom:
Animalia >
Unranked:
Biota >