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
Genus †Tryblidium Lindström, 1880