Classification
Animalia [kingdom]Mollusca [phylum]
Gastropoda [class]
Euthyneura [subclass]
Thecosomata [order]
Pseudothecosomata [suborder]
Subordo Pseudothecosomata bevat de volgende taxa:
Cymbuliidae [family]
Desmopteridae [family]
Peraclididae [family]