Genus:
Spongiobranchaea >
Family:
Pneumodermatidae >
Superfamily:
Clionoidea >
Suborder:
Gymnosomata >
Order:
Pteropoda >
Subterclass:
Tectipleura >
Infraclass:
Euthyneura >
Subclass:
Heterobranchia >
Class:
Gastropoda >
Phylum:
Mollusca >
Kingdom:
Animalia >
Unranked:
Biota >