"' Haminoeoidea "'is a taxonomic marine opisthobranch gastropod mollusks in the clade Cephalaspidea, the headshield slugs and bubble snails.
22.
"' Diaphanoidea "'is a taxonomic marine opisthobranch gastropod mollusks or micromollusks in the Cephalaspidea, the headshield slugs and bubble snails.
23.
""'Hydromyles " "'is a taxonomic genus of small sea slugs, marine opisthobranch gastropod mollusks in the family Hydromylidae.
24.
The "'Praecuvierinidae "'are a family of extinct, small, floating sea snails, pelagic marine opisthobranch gastropod mollusks in the superfamily Cavolinioidea.
25.
""'Aliculastrum " "'is a genus of small sea snails or bubble snails, marine opisthobranch gastropod molluscs in the family Haminoeidae.
26.
""'Polybranchia " "'is a genus of sacoglossan sea slugs, shell-less marine opisthobranch gastropod mollusks in the family Caliphyllidae.
27.
""'Thuridilla " "'is a genus of sacoglossan sea slugs, shell-less marine opisthobranch gastropod mollusks in the family Plakobranchidae.
28.
""'Ercolania irregularis " "'is a species of sacoglossan sea slug, a shelless marine opisthobranch gastropod mollusk in the family Limapontiidae.
29.
""'Dirona " "'is a genus of sea slugs, Pacific Ocean nudibranchs, marine, opisthobranch gastropod mollusks in the family Dironidae.
30.
""'Chelidonura inornata " "'is a species of sea slug or headshield slug, a marine opisthobranch gastropod mollusc in the family Aglajidae.
