Phylum Mollusca Linnaeus, 1758 - molluscs Class Solenogastres Gegenbaur, 1878 Order Neomeniamorpha Salvini-Plawen, 1978 Family Neomeniidae Ihering, 1876 1 Genus Neomenia Tullberg, 1875 2 Genus Heathimenia Salvini-Plawen, 1967 see Genus Neomenia Tullberg, 1875