Kingdom Animalia Linnaeus, 1758 - animals Phylum Mollusca Linnaeus, 1758 - molluscs Subphylum Diasoma Runnegar & Pojeta Jr., 1974 see Phylum Mollusca Linnaeus, 1758 Class †Rostroconchia Pojeta et al., 1972 Order †Ribeirioida Kobayashi, 1933 Genus †Oepikila Runnegar & Pojeta, 1974