Genus:
Howearion >
Subfamily:
Helicarioninae >
Family:
Helicarionidae >
Superfamily:
Helicarionoidea >
Infraorder:
Limacoidei >
Suborder:
Helicina >
Order:
Stylommatophora >
Superorder:
Eupulmonata >
Subterclass:
Tectipleura >
Infraclass:
Euthyneura >
Subclass:
Heterobranchia >
Class:
Gastropoda >
Phylum:
Mollusca >
Kingdom:
Animalia >
Unranked:
Biota >