Allochroa layardi (H. Adams & A. Adams, 1855) (additional source)
Assiminea hidalgoi (Gassies, 1869) accepted as Paludinella hidalgoi (Gassies, 1869) (additional source)
Assiminea punctum Morelet, 1882 (additional source)
Auriculastra gassiesi (Morelet, 1882) (additional source)
Bradybaena similaris (A. Férussac, 1822) (additional source)
Cyclophorus dubius (Morelet, 1881) (additional source)
Cyclophorus granum Morelet, 1881 (additional source)
Cyclophorus horridulum (Morelet, 1882) (additional source)
Cyclophorus microscopicus Morelet, 1881 (additional source)
Cyclophorus raripilus Morelet, 1881 (additional source)
Cyclostoma sulcatum Draparnaud, 1805 accepted as Tudorella sulcata (Draparnaud, 1805) (additional source)
Cyclosurus mariei Morelet, 1881 (additional source)
Cyclotopsis filicum Morelet, 1877 (additional source)
Cyclotopsis horrida Morelet, 1888 (additional source)
Cyclotopsis nevilli Morelet, 1877 (additional source)
Edentulina anodon (L. Pfeiffer, 1855) (basis of record)
Edentulina crosseana (Morelet, 1881) (basis of record)
Edentulina ovoidea (Bruguière, 1789) (additional source)
Euconulus microsoma (Morelet, 1883) (basis of record)
Euglandina rosea (A. Férussac, 1821) (additional source)
Gastrocopta seignaciana (Crosse & P. Fischer, 1879) (additional source)
Gulella brevicula (Morelet, 1882) (basis of record)
Gulella callosa (Morelet, 1881) (basis of record)
Gulella cerea (Dunker, 1849) (additional source)
Gulella comorensis (E. von Martens, 1876) (basis of record)
Gulella corneola (Morelet, 1886) (basis of record)
Gulella costellata (Morelet, 1882) (basis of record)
Gulella decaryi Fischer-Piette & Vukadinovic, 1974 (original description)
Gulella dentiens (Morelet, 1883) (basis of record)
Gulella diodon (Morelet, 1882) (basis of record)
Gulella dupuyana (Crosse, 1876) (basis of record)
Gulella glabra (Morelet, 1882) (basis of record)
Gulella hordeum (Morelet, 1879) (basis of record)
Gulella humbloti (Morelet, 1886) (basis of record)
Gulella larva (Morelet, 1877) (basis of record)
Gulella lubrica (Morelet, 1881) (basis of record)
Gulella mayottensis Connolly, 1925 (basis of record)
Gulella microdina (Morelet, 1883) (basis of record)
Gulella microdon (Morelet, 1860) (additional source)
Gulella modioliformis (Morelet, 1877) (basis of record)
Gulella oryza (Morelet, 1882) (basis of record)
Gulella ovularis (Morelet, 1886) (basis of record)
Gulella phanerodon (Morelet, 1888) (basis of record)
Gulella plicigera (Morelet, 1886) (basis of record)
Gulella pusilla (Morelet, 1881) (basis of record)
Gulella sesamum (Morelet, 1883) (basis of record)
Gulella spreta (Morelet, 1883) (basis of record)
Gulella transnominata Connolly, 1925 (basis of record)
Gulella trigona (Morelet, 1881) (basis of record)
Gulella vermis (Morelet, 1881) (basis of record)
Kaliella barrakporensis (Reeve, 1852) (additional source)
Kaliella comorensis Fischer-Piette & Vukadinovic, 1974 (original description)
Laemodonta bella (H. Adams & A. Adams, 1855) (additional source)
Macrochlamys ceromatica (Morelet, 1881) accepted as Tanychlamys ceromatica (Morelet, 1881) (basis of record)
Macrochlamys corusca (Morelet, 1877) accepted as Tanychlamys corusca (Morelet, 1877) (basis of record)
Macrochlamys russeola (Morelet, 1851) accepted as Tanychlamys russeola (Morelet, 1851) (basis of record)
Macrochlamys stumpfii O. Boettger, 1889 accepted as Tanychlamys stumpfii (O. Boettger, 1889) (additional source)
Melampus caffer (Küster, 1843) accepted as Melampus lividus (Deshayes, 1830) (additional source)
Melampus castaneus (Megerle von Mühlfeld, 1816) (additional source)
Melampus concretus Morelet, 1882 (additional source)
Melampus fasciatus (Deshayes, 1830) (additional source)
Melampus lividus (Deshayes, 1830) (additional source)
Melampus parvulus L. Pfeiffer, 1856 (additional source)
Melampus pfeifferianus Morelet, 1860 (additional source)
Melampus semiplicatus Pease, 1860 (basis of record)
Melanoides tuberculata (O. F. Müller, 1774) (additional source)
Nesopupa comorensis Pilsbry, 1920 (additional source)
Otopoma anaglyptum Morelet, 1886 (additional source)
Pseudelma auriculata (Morelet, 1881) (basis of record)
Pseudelma bisexigua (F. Haas, 1951) (basis of record)
Pseudelma incisa (Morelet, 1881) (basis of record)
Pseudelma inconspicua (Morelet, 1881) (basis of record)
Pseudelma martensiana (Morelet, 1881) (basis of record)
Pseudopeas pusillum (Morelet, 1881) (basis of record)
Pupisoma (Ptychopatula) dioscoricola (C. B. Adams, 1845) represented as Pupisoma dioscoricola (C. B. Adams, 1845) (basis of record)
Pupisoma japonicum Pilsbry, 1902 (additional source)
Pupisoma orcula (W. H. Benson, 1850) accepted as Pupisoma dioscoricola (C. B. Adams, 1845) (additional source)
Rachis badiola (Morelet, 1881) (new combination reference)
Rachis bewsheri (Morelet, 1877) (basis of record)
Rachis comorensis (Morelet, 1881) (basis of record)
Rachis fagotiana (Ancey, 1885) (new combination reference)
Rachis humbloti (Morelet, 1888) (basis of record)
Rachis ingenua (Morelet, 1864) (basis of record)
Rachis nigrilineata (Reeve, 1849) (basis of record)
Rachis venusta (Morelet, 1861) (basis of record)
Septaria borbonica (Bory de Saint-Vincent, 1804) accepted as Septaria porcellana borbonica (Bory de Saint-Vincent, 1804) (additional source)
Sitala circumfiliaris (Morelet, 1879) (basis of record)
Smaragdia souverbiana (Montrouzier, 1863) (additional source)
Streptostele (Raffraya) acicula (Morelet, 1877) represented as Streptostele acicula (Morelet, 1877) (additional source)
Subulina canonica (Morelet, 1886) (basis of record)
Subulina cereola (Morelet, 1860) (basis of record)
Subulina ferriezi (Morelet, 1882) (basis of record)
Subulina glabella (Morelet, 1883) (basis of record)
Subulina octona (Bruguière, 1789) (additional source)
Subulina ornata (Morelet, 1888) (basis of record)
Subulina pyramidalis (Morelet, 1883) (basis of record)
Subulina simplex (Morelet, 1882) (basis of record)
Subulina terebella (Morelet, 1886) (basis of record)
Succinea comorensis Fischer-Piette & Vukadinovic, 1974 (original description)
Thiara amarula (Linnaeus, 1758) (additional source)