Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Subphylum Cyrtosoma Runnegar & Pojeta Jr., 1974 see Phylum Mollusca Linnaeus, 1758
       Class Monoplacophora Odhner, 1940 - monoplacophorans
         Order Tryblidiida Lemche, 1957 see Order Monoplacophorida Wenz, in Knight, 1952
           Genus Neopilina H. Lemche, 1957
             Neopilina galatheae Lemche, 1957