Species:
Promesostoma marmoratum >
Genus:
Promesostoma >
Subfamily:
Promesostominae >
Family:
Promesostomidae >
Parvorder:
Thalassotyphloplanida >
Infraorder:
Neotyphloplanida >
Suborder:
Dalytyphloplanida >
Order:
Rhabdocoela >
Subphylum:
Rhabditophora >
Phylum:
Platyhelminthes >
Kingdom:
Animalia >
Unranked:
Biota >