Kingdom Animalia Linnaeus, 1758 - animals Count: - Phylum Mollusca Linnaeus, 1758 - molluscs Count: - Subphylum Cyrtosoma Runnegar & Pojeta Jr., 1974 see Phylum Mollusca Linnaeus, 1758 Count: [*] * Class Monoplacophora Odhner, 1940 - monoplacophorans Count: [*] 1o; †3o Order †Cyrtonellida Horny, 1963 Count: - Genus †Yochelcionella Runnegar & Pojeta, 1974 Count: - †Yochelcionella ostentata Runnegar & Jell, 1976 Count: -