Genus:
Mesostoma >
Subfamily:
Mesostominae >
Family:
Typhloplanidae >
Parvorder:
Limnotyphloplanida >
Infraorder:
Neotyphloplanida >
Suborder:
Dalytyphloplanida >
Order:
Rhabdocoela >
Subphylum:
Rhabditophora >
Phylum:
Platyhelminthes >
Kingdom:
Animalia >
Unranked:
Biota >