Acteocina mucronata (R. A. Philippi, 1849) (basis of record)
Aeolidiella Bergh, 1867 (basis of record)
Afrocardium Tomlin, 1931 (basis of record)
Afrocardium richardi (Audouin, 1826) (basis of record)
Alvania Risso, 1826 (basis of record)
Alvania dorbignyi (Audouin, 1826) (basis of record)
Amphissa H. Adams & A. Adams, 1853 (basis of record)
Anadara J. E. Gray, 1847 (basis of record)
Anadara demiri (Piani, 1981) accepted as Anadara transversa (Say, 1822) (basis of record)
Anadara inaequivalvis (Bruguière, 1789) (basis of record)
Anadara natalensis (Krauss, 1848) (additional source)
Anomia Linnaeus, 1758 (basis of record)
Aplysia Linnaeus, 1767 (basis of record)
Atactodea Dall, 1895 (basis of record)
Atactodea striata (Gmelin, 1791) (basis of record)
Atrina Gray, 1842 (basis of record)
Atys macandrewii E. A. Smith, 1872 accepted as Weinkauffia macandrewii (E. A. Smith, 1872) (basis of record)
Bankia Gray, 1842 (additional source)
Bankia bipennata (W. Turton, 1819) (basis of record)
Bankia carinata (J. E. Gray, 1827) (additional source)
Bankia fimbriatula Moll & Roch, 1931 (additional source)
Barbatia J. E. Gray, 1842 (additional source)
Barnea Risso, 1826 (basis of record)
Barnea candida (Linnaeus, 1758) (basis of record)
Bermudella Odhner, 1941 (basis of record)
Berthellina citrina (Rüppell & Leuckart, 1828) (additional source)
Bolinus brandaris (Linnaeus, 1758) (basis of record)
Brachidontes pharaonis (P. Fischer, 1870) (basis of record)
Callista Poli, 1791 (basis of record)
Caloria Trinchese, 1888 (basis of record)
Calyptraea Lamarck, 1799 (basis of record)
Calyptraea chinensis (Linnaeus, 1758) (basis of record)
Cardium Linnaeus, 1758 (additional source)
Carinaria Lamarck, 1801 (basis of record)
Carinaria mediterranea Blainville, 1825 accepted as Carinaria lamarckii Blainville, 1817 (basis of record)
Cerastoderma Poli, 1795 (basis of record)
Cerastoderma edule (Linnaeus, 1758) (basis of record)
Cerithiopsis pulvis (Issel, 1869) (basis of record)
Cerithiopsis tenthrenois (Melvill, 1896) (basis of record)
Cerithium scabridum R. A. Philippi, 1848 (basis of record)
Chaetopleura Shuttleworth, 1853 (basis of record)
Chaetopleura (Chaetopleura) angulata (Spengler, 1797) represented as Chaetopleura angulata (Spengler, 1797) (basis of record)
Chama Linnaeus, 1758 (basis of record)
Chama pacifica Broderip, 1835 (basis of record)
Chiton Linnaeus, 1758 (basis of record)
Chiton (Tegulaplax) hululensis (E. A. Smith, 1903) accepted as Tegulaplax hululensis (E. A. Smith, 1903) (basis of record)
Chlamys Röding, 1798 (basis of record)
Chrysallida fischeri (Hornung & Mermod, 1925) accepted as Pyrgulina fischeri Hornung & Mermod, 1925 (basis of record)
Chrysallida maiae (Hornung & Mermod, 1924) accepted as Pyrgulina maiae Hornung & Mermod, 1924 (basis of record)
Chrysallida pirintella [sic] accepted as Pyrgulina pirinthella Melvill, 1910 (basis of record)
Cingulina A. Adams, 1860 (additional source)
Cingulina isseli (Tryon, 1886) (basis of record)
Clementia papyracea (Gmelin, 1791) (additional source)
Corambe Bergh, 1869 (basis of record)
Corambe obscura (A. E. Verrill, 1870) (basis of record)
Corbula Bruguière, 1797 (basis of record)
Corbula gibba (Olivi, 1792) accepted as Varicorbula gibba (Olivi, 1792) (basis of record)
Crassostrea Sacco, 1897 (basis of record)
Crassostrea virginica (Gmelin, 1791) (basis of record)
Cyclope Risso, 1826 accepted as Tritia Risso, 1826 (basis of record)
Cyclope neritea (Linnaeus, 1758) accepted as Tritia neritea (Linnaeus, 1758) (basis of record)
Cycloscala Dall, 1889 (basis of record)
Cycloscala hyalina (G. B. Sowerby II, 1844) (basis of record)
Cylichna Lovén, 1846 (basis of record)
Cylichnina Monterosato, 1884 accepted as Retusa T. Brown, 1827 (basis of record)
Cylichnina girardi (Audouin, 1826) accepted as Ventomnestia girardi (Audouin, 1826) accepted as Mnestia girardi (Audouin, 1826) (basis of record)
Dendrodoris nigra (W. Stimpson, 1855) (additional source)
Diala varia A. Adams, 1861 accepted as Diala semistriata (R. A. Philippi, 1849) (basis of record)
Dikoleps Hoisaeter, 1968 (basis of record)
Diplodonta Bronn, 1831 (basis of record)
Diplodonta subrotunda Issel, 1869 (basis of record)
Discodoris concinna (Alder & Hancock, 1864) (basis of record)
Divaricella angulifera (E. von Martens, 1880) accepted as Divaricella ornatissima (A. d'Orbigny, 1846) (basis of record)
Dosinia Scopoli, 1777 (basis of record)
Ercolania viridis (A. Costa, 1866) (basis of record)
Ergalatax obscura Houart, 1996 accepted as Ergalatax martensi (Schepman, 1892) (basis of record)
Erosaria turdus (Lamarck, 1810) accepted as Naria turdus (Lamarck, 1810) (basis of record)
Ervilia W. Turton, 1822 (basis of record)
Euspira Agassiz, 1837 (basis of record)
Fossarus R. A. Philippi, 1841 (basis of record)
Fulvia (Fulvia) fragilis (Forsskål, 1775) represented as Fulvia fragilis (Forsskål, 1775) (basis of record)
Fusinus rostratus (Olivi, 1792) accepted as Pseudofusus rostratus (Olivi, 1792) (basis of record)
Gafrarium Röding, 1798 (basis of record)
Gafrarium callipygum (von Born, 1778) accepted as Circenita callipyga (Born, 1778) (basis of record)
Gastrochaena Spengler, 1783 (basis of record)
Gastrochaena cymbium Spengler, 1783 accepted as Cucurbitula cymbium (Spengler, 1783) (basis of record)
Gibbula Risso, 1826 (basis of record)
Gibbula adansonii (Payraudeau, 1826) accepted as Steromphala adansonii (Payraudeau, 1826) (basis of record)
Gibbula adriatica (R. A. Philippi, 1844) accepted as Steromphala adriatica (R. A. Philippi, 1844) (basis of record)
Gibbula albida (Gmelin, 1791) accepted as Steromphala albida (Gmelin, 1791) (basis of record)
Gibbula cineraria (Linnaeus, 1758) accepted as Steromphala cineraria (Linnaeus, 1758) (basis of record)
Glycymeris da Costa, 1778 (basis of record)
Hexaplex Perry, 1810 (additional source)
Hexaplex trunculus (Linnaeus, 1758) (basis of record)
Hipponix Blainville, 1819 (basis of record)
Hipponix conicus (Schumacher, 1817) accepted as Sabia conica (Schumacher, 1817) (basis of record)
Hypselodoris infucata (Rüppell & Leuckart, 1830) (basis of record)
Iolaea neofelixoides (Nomura, 1936) (basis of record)
Isognomon [Lightfoot], 1786 (basis of record)
Laevicardium Swainson, 1840 (additional source)

European waters (ERMS scope) for Cyclope neritea (Linnaeus, 1758)  (origin: alien)