Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758 Superfamily †Bellerophontoidea McCoy, 1852, incertae sedis Family †Euphemitidae Knight, 1956 1 Subfamily †Euphemitinae Knight, 1956 2 Subfamily †Paleuphemitinae Frýda, 1999