Abra lactea (Dunker, 1861) accepted as Iacra seychellarum (A. Adams, 1856) (additional source)
Acanthochiton penicillatus (Deshayes, 1863) accepted as Acanthochitona penicillata (Deshayes, 1863) (additional source)
Acteon flammea [sic] accepted as Punctacteon flammeus (Gmelin, 1791) (additional source)
Alaba fulva R. B. Watson, 1886 accepted as Finella rufocincta (A. Adams, 1861) (basis of record)
Alaba martensi Issel, 1869 accepted as Diala sulcifera martensi (Issel, 1869) (basis of record)
Alaba semistriata (R. A. Philippi, 1849) accepted as Diala semistriata (R. A. Philippi, 1849) (basis of record)
Alaba striata R. B. Watson, 1886 accepted as Finella pupoides A. Adams, 1860 (basis of record)
Amathina tricostata (Gmelin, 1791) accepted as Amathina tricarinata (Linnaeus, 1767) (basis of record)
Amplustrum amplustre (Linnaeus, 1758) accepted as Aplustrum amplustre (Linnaeus, 1758) represented as Hydatina amplustre (Linnaeus, 1758) (source of synonymy)
Anadara antiquata (Linnaeus, 1758) (additional source)
Anadara ehrenbergi (Dunker, 1868) (basis of record)
Anadara natalensis (Krauss, 1848) (basis of record)
Anadara uropigimelana (Bory de Saint-Vincent, 1827) (basis of record)
Anadara vellicata (Reeve, 1844) (basis of record)
Anomalocardia flexuosa (Linnaeus, 1767) (basis of record)
Anomia sol Reeve, 1859 accepted as Anomia achaea [sic] accepted as Anomia achaeus Gray, 1850 (basis of record)
Aplysia tigrinella Gray, 1850 accepted as Aplysia maculata Rang, 1828 (basis of record)
Arca afra Gmelin, 1791 accepted as Arcopsis afra (Gmelin, 1791) (basis of record)
Arca caelata Reeve, 1844 accepted as Barbatia candida (Helbling, 1779) (basis of record)
Arca dichotoma Deshayes, 1863 accepted as Vitracar sulcata (Lamarck, 1819) accepted as Hawaiarca sulcata (Lamarck, 1819) (basis of record)
Arca imbricata Bruguière, 1789 accepted as Lamarcka imbricata (Bruguière, 1789) (basis of record)
Arca navicularis Bruguière, 1789 (basis of record)
Arca plicata Chemnitz, 1795 accepted as Acar plicata (Dillwyn, 1817) (basis of record)
Arca tortuosa Linnaeus, 1758 accepted as Trisidos tortuosa (Linnaeus, 1758) (basis of record)
Arca ventricosa Lamarck, 1819 accepted as Lamarcka ventricosa (Lamarck, 1819) (basis of record)
Architectonica laevigata (Lamarck, 1816) (additional source)
Architectonica perspectiva (Linnaeus, 1758) (additional source)
Asaphis deflorata (Linnaeus, 1758) (basis of record)
Assiminea geayi E. Lamy, 1909 (basis of record)
Asteronotus mabilla (Abraham, 1877) accepted as Asteronotus cespitosus (van Hasselt, 1824) (basis of record)
Atys cylindricus (Helbling, 1779) accepted as Aliculastrum cylindricum (Helbling, 1779) (basis of record)
Avicula lotorium Lamarck, 1819 accepted as Pteria penguin (Röding, 1798) (basis of record)
Avicula macroptera Lamarck, 1819 accepted as Pteria penguin (Röding, 1798) (basis of record)
Barbatia (Barbatia) obliquata (W. Wood, 1828) accepted as Barbatia obliquata (W. Wood, 1828) (additional source)
Barbatia cometa (Reeve, 1844) (additional source)
Barbatia decussata (G. B. Sowerby I, 1833) (additional source)
Barbatia fusca (Bruguière, 1789) accepted as Barbatia amygdalumtostum (Röding, 1798) (additional source)
Barbatia nivea (Röding, 1798) accepted as Barbatia foliata (Forsskål, 1775) (additional source)
Barbatia tenella (Reeve, 1844) accepted as Calloarca tenella (Reeve, 1844) (additional source)
Bittium amboynense (R. B. Watson, 1880) (additional source)
Bittium granarium (Kiener, 1841) accepted as Cacozeliana granarium (Kiener, 1841) (basis of record)
Bittium perparvulum R. B. Watson, 1886 accepted as Cerithidium perparvulum (R. B. Watson, 1886) (additional source)
Broderipia subiridescens Pilsbry, 1890 (basis of record)
Buccinulus strigosus A. Gould, 1859 accepted as Pupa strigosa (A. Gould, 1859) (source of synonymy)
Bulla adamsi Menke, 1850 (basis of record)
Bulla physis Linnaeus, 1758 accepted as Hydatina physis (Linnaeus, 1758) (source of synonymy)
Bulla voluta Quoy & Gaimard, 1833 accepted as Acteocina decorata (Pilsbry, 1904) (basis of record)
Bullia mauritiana J. E. Gray, 1839 (additional source)
Caecum clarum E. Lamy, 1909 (additional source)
Callista florida (Lamarck, 1818) (source of synonymy)
Cancellaria constifera G. B. Sowerby I, 1832 accepted as Scalptia costifera (G. B. Sowerby I, 1832) (basis of record)
Cantharidus suarezensis (P. Fischer, 1878) accepted as Jujubinus suarezensis (P. Fischer, 1878) (additional source)
Cantharus fumosus (Dillwyn, 1817) accepted as Pollia fumosa (Dillwyn, 1817) (additional source)
Cantharus rubiginosus (Reeve, 1846) accepted as Pollia rubiginosa (Reeve, 1846) (source of synonymy)
Capiluna ruepellii [sic] accepted as Diodora ruppellii (G. B. Sowerby I, 1835) (basis of record)
Capulus intortus (Lamarck, 1822) accepted as Hipponix incurvus (Gmelin, 1791) (basis of record)
Cardita pentunculus [sic] accepted as Cardita pectunculus Bruguière, 1792 (basis of record)
Cardita variegata Bruguière, 1792 (additional source)
Cardium asiaticum Bruguière, 1789 accepted as Vepricardium asiaticum (Bruguière, 1789) (basis of record)
Cardium auricula Niebuhr, 1775 accepted as Lunulicardia auricula (Niebuhr, 1775) (basis of record)
Cardium australe G. B. Sowerby II, 1834 accepted as Fulvia australis (G. B. Sowerby II, 1834) (basis of record)
Cardium coronatum Spengler, 1799 accepted as Vepricardium coronatum (Schröter, 1786) (basis of record)
Cardium dupuchense Reeve, 1845 accepted as Vasticardium dupuchense (Reeve, 1845) (basis of record)
Cardium fragum Linnaeus, 1758 accepted as Fragum fragum (Linnaeus, 1758) (basis of record)
Cardium multispinosum G. B. Sowerby II, 1839 accepted as Vepricardium multispinosum (G. B. Sowerby II, 1839) (basis of record)
Cardium pectiniforme Born, 1780 accepted as Vasticardium pectiniforme (Born, 1780) (basis of record)
Cardium peregrinum (Jousseaume, 1888) accepted as Cardium pectiniforme Born, 1780 accepted as Vasticardium pectiniforme (Born, 1780) (source of synonymy)
Cardium retusum Linnaeus, 1767 accepted as Lunulicardia retusa (Linnaeus, 1767) (basis of record)
Cardium rugosum Lamarck, 1819 accepted as Vasticardium pectiniforme (Born, 1780) (basis of record)
Cardium tenuicostatum Lamarck, 1819 accepted as Fulvia (Fulvia) tenuicostata (Lamarck, 1819) accepted as Fulvia tenuicostata (Lamarck, 1819) (basis of record)
Cardium unicolor G. B. Sowerby II, 1834 accepted as Acrosterigma simplex (Spengler, 1799) (basis of record)
Cassidula kraussii (Küster, 1841) accepted as Cassidula labrella (Deshayes, 1830) (basis of record)
Cassis achatina Lamarck, 1816 accepted as Semicassis labiata (G. Perry, 1811) (basis of record)
Cassis areola (Linnaeus, 1758) accepted as Phalium areola (Linnaeus, 1758) (basis of record)
Cassis rufa (Linnaeus, 1758) accepted as Cypraecassis rufa (Linnaeus, 1758) (basis of record)
Cassis spinosa Gronovius, 1781 accepted as Cassis tessellata (Gmelin, 1791) (basis of record)
Cassis vibex (Linnaeus, 1758) accepted as Casmaria erinaceus (Linnaeus, 1758) (basis of record)
Cavolinia longirostris (Blainville, 1821) accepted as Diacavolinia longirostris (Blainville, 1821) (additional source)
Cerithium bavayi Vignal, 1902 accepted as Cerithium egenum A. Gould, 1849 (basis of record)
Cerithium caeruleum G. B. Sowerby II, 1855 (additional source)
Cerithium chemnitzianum Pilsbry, 1901 accepted as Clypeomorus petrosa chemnitziana (Pilsbry, 1901) (basis of record)
Cerithium concisum Hombron & Jacquinot, 1848 accepted as Clypeomorus bifasciata (G. B. Sowerby II, 1855) (basis of record)
Cerithium dialeucum R. A. Philippi, 1849 (additional source)
Cerithium gentile Bayle, 1880 accepted as Cerithium zonatum (W. Wood, 1828) (basis of record)
Cerithium moniliferum Kiener, 1841 accepted as Clypeomorus batillariaeformis Habe & Kosuge, 1966 (basis of record)
Cerithium patiens Bayle, 1880 accepted as Clypeomorus brevis (Quoy & Gaimard, 1834) (basis of record)
Cerithium petrosum (W. Wood, 1828) accepted as Clypeomorus petrosa (W. Wood, 1828) (additional source)
Cerithium purpurascens G. B. Sowerby II, 1855 accepted as Cerithium zonatum (W. Wood, 1828) (basis of record)
Cerithium traillii G. B. Sowerby II, 1855 (basis of record)
Cerithium turritella Anton, 1838 (basis of record)
Cerithium turritum G. B. Sowerby II, 1855 accepted as Rhinoclavis sordidula (A. Gould, 1849) (basis of record)
Cerithium variegatum Quoy & Gaimard, 1834 accepted as Clypeomorus nympha Houbrick, 1985 (additional source)
Chama fibula Reeve, 1846 accepted as Chama asperella Lamarck, 1819 (basis of record)
Chama imbricata Broderip, 1835 accepted as Chama croceata Lamarck, 1819 (basis of record)
Chama spinosa Broderip, 1835 accepted as Chama asperella Lamarck, 1819 (basis of record)
Cheilea tectumsinensis (Lamarck, 1822) accepted as Cheilea imbricata (Fischer von Waldheim, 1807) (additional source)
Chicoreus adustus (Lamarck, 1822) accepted as Chicoreus brunneus (Link, 1807) (additional source)
Chicoreus microphyllus (Lamarck, 1816) (basis of record)
Chione listeri (J. E. Gray, 1838) accepted as Periglypta listeri (J. E. Gray, 1838) (basis of record)
Chione marica (Linnaeus, 1758) accepted as Timoclea marica (Linnaeus, 1758) (basis of record)

Madagascan Coast for Monilea obscura (W. Wood, 1828)  (origin: native - non-endemic)
Madagascan Coast for Monodonta australis Lamarck, 1822  (origin: native - non-endemic)
Madagascan Coast for Onchidium peronii Cuvier, 1804 
Madagascan Coast for Tivela lamyi Dautzenberg, 1929  (origin: native - non-endemic)
Madagascan Exclusive Economic Zone for Calpurnus verrucosus (Linnaeus, 1758) 
Madagascan Exclusive Economic Zone for Cassis areola (Linnaeus, 1758) 
Madagascan Exclusive Economic Zone for Cassis cornuta (Linnaeus, 1758) 
Madagascan Exclusive Economic Zone for Cassis glauca (Linnaeus, 1758) 
Madagascan Exclusive Economic Zone for Cerithiopsis blandi Vignal, 1909 
Madagascan Exclusive Economic Zone for Cerithium echinatum Lamarck, 1822  (origin: native - non-endemic)
Madagascan Exclusive Economic Zone for Cypraea citrina Gray, 1825  (doubtful)
Madagascan Exclusive Economic Zone for Cypraea isabella Linnaeus, 1758 
Madagascan Exclusive Economic Zone for Cypraea tigris Linnaeus, 1758 
Madagascan Exclusive Economic Zone for Fissurella natalensis Krauss, 1848  (origin: native - non-endemic)
Madagascan Exclusive Economic Zone for Fissurellidea genevievae Dautzenberg, 1929 
Madagascan Exclusive Economic Zone for Helcioniscus rota (Gmelin, 1791) 
Madagascan Exclusive Economic Zone for Mytilus variabilis Krauss, 1848 
Madagascan Exclusive Economic Zone for Natica chinensis Lamarck, 1816 
Madagascan Exclusive Economic Zone for Natica simiae Deshayes, 1838 
Madagascan Exclusive Economic Zone for Natica taeniata Menke, 1830 
Madagascan Exclusive Economic Zone for Ovula ovum (Linnaeus, 1758) 
Madagascan Exclusive Economic Zone for Pterocera aurantia Lamarck, 1822 
Madagascan Exclusive Economic Zone for Pterocera bryonia (Gmelin, 1791) 
Madagascan Exclusive Economic Zone for Pterocera lambis (Linnaeus, 1758) 
Madagascan Exclusive Economic Zone for Ranella crumena Lamarck, 1816 
Madagascan Exclusive Economic Zone for Sigaretus delessertii Récluz, 1843 
Madagascan Exclusive Economic Zone for Stomatella sulcifera Lamarck, 1822  (origin: native - non-endemic)
Madagascar for Acanthochites aberrans Odhner, 1919 
Madagascar for Acanthochites penicillatus (Deshayes, 1863) 
Madagascar for Acanthopleura spiniger (G. B. Sowerby II, 1839) 
Madagascar for Acmaea saccharina (Linnaeus, 1758) 
Madagascar for Actaeon flammea [sic] 
Madagascar for Alaba albugo R. B. Watson, 1886 
Madagascar for Alaba fulva R. B. Watson, 1886 
Madagascar for Alaba martensi Issel, 1869 
Madagascar for Alaba semistriata (R. A. Philippi, 1849) 
Madagascar for Alaba striata R. B. Watson, 1886 
Madagascar for Anaitis foliacea (R. A. Philippi, 1846) 
Madagascar for Ancillaria torosa G. B. Sowerby II, 1859 
Madagascar for Anomia sol Reeve, 1859 
Madagascar for Aplustrum amplustre (Linnaeus, 1758) 
Madagascar for Aplysia tigrinella Gray, 1850 
Madagascar for Arca antiquata Linnaeus, 1758 
Madagascar for Arca caelata Reeve, 1844 
Madagascar for Arca cometa Reeve, 1844 
Madagascar for Arca decussata (G. B. Sowerby I, 1833) 
Madagascar for Arca dichotoma Deshayes, 1863 
Madagascar for Arca ehrenbergi (Dunker, 1868) 
Madagascar for Arca fusca Bruguière, 1789 
Madagascar for Arca imbricata Bruguière, 1789 
Madagascar for Arca imbricata arabica R. A. Philippi, 1847 
Madagascar for Arca imbricata avellana Lamarck, 1819 
Madagascar for Arca lateralis Reeve, 1844 
Madagascar for Arca natalensis Krauss, 1848 
Madagascar for Arca navicularis Bruguière, 1789 
Madagascar for Arca obliquata W. Wood, 1828 
Madagascar for Arca parva (G. B. Sowerby I, 1833) 
Madagascar for Arca tenella Reeve, 1844 
Madagascar for Arca tortuosa Linnaeus, 1758 
Madagascar for Arca uropigimelana Bory de Saint-Vincent, 1827 
Madagascar for Arca vellicata Reeve, 1844 
Madagascar for Arca ventricosa Lamarck, 1819 
Madagascar for Argonauta argo Linnaeus, 1758 
Madagascar for Argonauta hians [Lightfoot], 1786 
Madagascar for Asaphis deflorata (Linnaeus, 1758) 
Madagascar for Assiminea geayi E. Lamy, 1909 
Madagascar for Asteronotus mabilla (Abraham, 1877) 
Madagascar for Atys cylindricus (Helbling, 1779) 
Madagascar for Atys naucum (Linnaeus, 1758) 
Madagascar for Avicula lotorium Lamarck, 1819 
Madagascar for Avicula macroptera Lamarck, 1819 
Madagascar for Bittium amboynense (R. B. Watson, 1880) 
Madagascar for Bittium glareosum A. Gould, 1861 
Madagascar for Bittium granarium (Kiener, 1841) 
Madagascar for Bittium perparvulum R. B. Watson, 1886 
Madagascar for Bittium perpusillum Tryon, 1887 
Madagascar for Broderipia subiridescens Pilsbry, 1890 
Madagascar for Bulla adamsi Menke, 1850 
Madagascar for Bulla ampulla Linnaeus, 1758 
Madagascar for Caecum clarum E. Lamy, 1909 
Madagascar for Cancellaria asperella Lamarck, 1822 
Madagascar for Cancellaria constifera G. B. Sowerby I, 1832 
Madagascar for Cancellaria lamberti Souverbie, 1870 
Madagascar for Cantharidus suarezensis (P. Fischer, 1878) 
Madagascar for Capiluna ruepellii [sic] 
Madagascar for Capulus intortus (Lamarck, 1822)  (inaccurate)
Madagascar for Cardita pentunculus [sic] 
Madagascar for Cardita variegata Bruguière, 1792 
Madagascar for Cardium asiaticum Bruguière, 1789 
Madagascar for Cardium auricula Niebuhr, 1775 
Madagascar for Cardium australe G. B. Sowerby II, 1834 
Madagascar for Cardium coronatum Spengler, 1799  (inaccurate)
Madagascar for Cardium dupuchense Reeve, 1845  (inaccurate)
Madagascar for Cardium fragum Linnaeus, 1758 
Madagascar for Cardium multispinosum G. B. Sowerby II, 1839 
Madagascar for Cardium pectiniforme Born, 1780 
Madagascar for Cardium retusum Linnaeus, 1767 
Madagascar for Cardium tenuicostatum Lamarck, 1819 
Madagascar for Cardium unicolor G. B. Sowerby II, 1834 
Madagascar for Cassidula kraussii (Küster, 1841) 

English Brown Argonaut for Argonauta hians [Lightfoot], 1786
English common calpurnus for Calpurnus verrucosus (Linnaeus, 1758)
English common egg cowrie for Ovula ovum (Linnaeus, 1758)
English common purple sea snail for Janthina janthina (Linnaeus, 1758)
English crocus giant clam for Tridacna crocea Lamarck, 1819
English general cone for Conus generalis Linnaeus, 1767
English geographer cone for Conus geographus Linnaeus, 1758
English geography cone for Conus geographus Linnaeus, 1758
English horned helmet shell for Cassis cornuta (Linnaeus, 1758)
English imperial cone for Conus imperialis Linnaeus, 1758
English marble cone for Conus marmoreus Linnaeus, 1758
English plicate ark [from synonym] for Arca plicata Chemnitz, 1795
English pod tree oyster for Isognomon legumen (Gmelin, 1791)
English prickly pen shell for Pinna muricata Linnaeus, 1758
English sand-dusted cone for Conus arenatus Hwass, 1792
English spiny file shell for Lima lima (Linnaeus, 1758)
English spiny lima for Lima lima (Linnaeus, 1758)
English sponge finger oyster for Vulsella vulsella (Linnaeus, 1758)
English tapestry turban for Turbo petholatus Linnaeus, 1758
English ventricose ark [from synonym] for Arca ventricosa Lamarck, 1819
English vexillum rock shell for Vexilla vexillum (Gmelin, 1791)