Phylum Mollusca Linnaeus, 1758 - molluscs Count: [*†*] 8c;49o;641f;6099g; †2f;162g [24 Jan 2022] Class Monoplacophora Odhner, 1940 [monotypic] - monoplacophorans Count: [*] 1o;4f;7g [21 Jun 2021] Order Monoplacophorida Wenz, in Knight, 1952 Count: [*] 4f;7g [21 Jun 2021] Superfamily Trybliidioidea Millard, 1997, orth. inval. see Superfamily Tryblidioidea Pilsbry, 1899 Count: [*] 4f;7g [21 Jun 2021] Family Vemidae Moskalev et al., 1983 [monotypic] Count: [*] 1g [21 Jun 2021] 1 Genus Vema Clarke & Menzies, 1959 Count: -