Acanthoptyx acanthinula (Crosse, 1868) (basis of record)
Acanthoptyx subacanthinula (Crosse, 1895) (basis of record)
Achatina gundlachi L. Pfeiffer, 1850 accepted as Geostilbia aperta (Swainson, 1840) (source of synonymy)
Acmella (Solenomphala) turbinata Preston, 1907 accepted as Crossilla caledonica (Crosse, 1869) (source of synonymy)
Andrefrancia calliope (Crosse, 1869) (new combination reference)
Andrefrancia noumeensis (Crosse, 1870) (new combination reference)
Andrefrancia ostiolum (Crosse, 1870) (new combination reference)
Andrefrancia vincentina (Crosse, 1870) (new combination reference)
Assiminea (Crossilla) caledonica (Crosse, 1869) accepted as Crossilla caledonica (Crosse, 1869) (basis of record)
Assiminea (Crossilla) crosseana (Gassies, 1869) accepted as Crossilla crosseana (Gassies, 1869) (basis of record)
Assiminea nitida pygmaea (Gassies, 1867) accepted as Assiminea parvula pygmaea (Gassies, 1867) (basis of record)
Assiminea savesi (Crosse, 1888) (basis of record)
Bulimus artensis Gassies, 1866 accepted as Lamellaxis (Allopeas) gracilis (T. Hutton, 1834) accepted as Allopeas gracile (T. Hutton, 1834) (source of synonymy)
Bulimus diaphanus Gassies, 1859 accepted as Lamellaxis (Allopeas) gracilis (T. Hutton, 1834) accepted as Allopeas gracile (T. Hutton, 1834) (source of synonymy)
Bulimus souverbianus Gassies, 1863 accepted as Lamellaxis (Allopeas) gracilis (T. Hutton, 1834) accepted as Allopeas gracile (T. Hutton, 1834) (source of synonymy)
Charopa marionae Preston, 1907 accepted as Rhytida (Ptychorhytida) kanakina (Gassies, 1866) accepted as Ptychorhytida kanakina (Gassies, 1866) (source of synonymy)
Cyclostoma (Cyclophorus) forbesianus L. Pfeiffer, 1855 accepted as Gassiesia forbesiana (L. Pfeiffer, 1855) (source of synonymy)
Cyclostoma bocageanum Gassies, 1863 accepted as Gassiesia forbesiana (L. Pfeiffer, 1855) (source of synonymy)
Cyclostoma vieillardi Gassies, 1870 accepted as Gassiesia guestieriana (Gassies, 1866) (source of synonymy)
Cylindrovertilla paitensis (Crosse, 1872) (basis of record)
Draparnaudia gassiesi gassiesi Pilsbry, 1902 accepted as Draparnaudia gassiesi Pilsbry, 1902 (basis of record)
Elasmias mariei (Crosse, 1874) (basis of record)
Gassiesia Clench, 1949 (basis of record)
Gassiesia artensis (Montrouzier, 1859) (basis of record)
Gassiesia coudertii (P. Fischer & Bernardi, 1857) accepted as Gassiesia forbesiana (L. Pfeiffer, 1855) (basis of record)
Gassiesia guestieriana (Gassies, 1866) (basis of record)
Gassiesia montrouzieri (Souverbie, 1859) (basis of record)
Gassiesia vitrea (Preston, 1907) (basis of record)
Gastrocopta (Sinalbinula) obstructa (Gassies, 1871) represented as Gastrocopta obstructa (Gassies, 1871) (basis of record)
Geostilbia caledonica Crosse, 1867 accepted as Geostilbia aperta (Swainson, 1840) (source of synonymy)
Glyptophysa (Glyptophysa) nasuta (Morelet, 1857) represented as Glyptophysa nasuta (Morelet, 1857) (basis of record)
Glyptophysa nasuta (Morelet, 1857) (basis of record)
Glyptophysa petiti (Crosse, 1872) (basis of record)
Gyraulus montrouzieri (Gassies, 1863) (additional source)
Gyraulus rossiteri (Crosse, 1871) (basis of record)
Helix alleryana Crosse, 1869 (status source)
Helix coguiensis Crosse, 1872 accepted as Ptychorhytida testudinaria (Gassies, 1859) (source of synonymy)
Helix dendrobia Crosse, 1868 accepted as Coneuplecta calculosa (A. Gould, 1852) (source of synonymy)
Helix paulucciae Crosse, 1868 accepted as Ptychorhytida testudinaria (Gassies, 1859) (source of synonymy)
Hydrocena (Omphalotropis) maritima Montrouzier, 1863 accepted as Omphalotropis granum (L. Pfeiffer, 1855) (source of synonymy)
Hydrocena diaphana Gassies, 1863 (status source)
Hydrocena turbinata Gassies, 1871 accepted as Crossilla crosseana (Gassies, 1869) (source of synonymy)
Hydrocena turrita Gassies, 1880 accepted as Crossilla crosseana (Gassies, 1869) (source of synonymy)
Lamellaxis (Allopeas) gracilis (T. Hutton, 1834) accepted as Allopeas gracile (T. Hutton, 1834) (additional source)
Lamellidea (Tornatellinops) noumeensis (Crosse, 1870) accepted as Tornatellinops noumeensis (Crosse, 1870) (basis of record)
Lyogyrus (Heterocyclus) Crosse, 1872 accepted as Heterocyclus Crosse, 1872 (basis of record)
Lyogyrus (Heterocyclus) perroquini (Crosse, 1872) accepted as Heterocyclus petiti (Crosse, 1872) accepted as Heterocyclus perroquini Crosse, 1872 (basis of record)
Microphyura microphis (Crosse, 1868) (basis of record)
Monomphalus bavayi (Crosse & Marie, 1868) (basis of record)
Monomphalus cerealis (Crosse, 1868) (basis of record)
Monomphalus gentilsianus (Crosse, 1870) (basis of record)
Monomphalus lifuanus (Montrouzier, 1860) (basis of record)
Monomphalus rossiterianus (Crosse, 1871) (basis of record)
Nesopupa (Nesopupa) mariei (Crosse, 1871) represented as Nesopupa mariei (Crosse, 1871) (basis of record)
Omphalotropis (Oriella) granum (L. Pfeiffer, 1855) accepted as Omphalotropis granum (L. Pfeiffer, 1855) (basis of record)
Omphalotropis coturnix (Crosse, 1867) (basis of record)
Omphalotropis fischeriana (Gassies, 1863) (status source)
Omphalotropis rubra (Gassies, 1874) (basis of record)
Orpiella (Halozonites) artensis (Souverbie, 1859) represented as Orpiella artensis (Souverbie, 1859) (basis of record)
Orpiella (Halozonites) desmazuresi (Crosse, 1872) represented as Orpiella desmazuresi (Crosse, 1872) (basis of record)
Orpiella (Halozonites) woodwardi (Godwin-Austen, 1903) represented as Orpiella woodwardi (Godwin-Austen, 1903) (basis of record)
Ouagapia raynali (Gassies, 1863) (basis of record)
Palaina mariei (Crosse, 1867) (additional source)
Palaina montrouzieri (Crosse, 1874) (additional source)
Palaina obesa (Hedley, 1898) (additional source)
Palaina perroquini (Crosse, 1871) (additional source)
Pararhytida (Micromphalia) Ancey, 1882 accepted as Micromphalia Ancey, 1882 (basis of record)
Pararhytida (Micromphalia) abax (Marie, 1870) accepted as Micromphalia abax (Marie, 1870) (basis of record)
Physastra guillaini (Crosse & Marie, 1868) (basis of record)
Placostylus (Leucocharis) loyaltyensis (Souverbie, 1879) accepted as Leucocharis loyaltyensis (Souverbie, 1879) (basis of record)
Placostylus (Leucocharis) pancheri (Crosse, 1870) accepted as Leucocharis pancheri (Crosse, 1870) (basis of record)
Placostylus (Leucocharis) porphyrochila (Dautzenberg & Bernier, 1901) accepted as Leucocharis porphyrochila Dautzenberg & Bernier, 1902 (basis of record)
Planorbis morletianus Crosse, 1888 accepted as Planorbis planorbis (Linnaeus, 1758) (source of synonymy)
Platyrhytida baladensis (Souverbie, 1863) (basis of record)
Platyrhytida goulardiana (Crosse, 1870) (basis of record)
Platyrhytida perroquiniana (Crosse, 1869) (basis of record)
Platyrhytida saisseti (Montrouzier, 1860) (basis of record)
Platyrhytida turneri (L. Pfeiffer, 1860) accepted as Platyrhytida astur (Souverbie, 1860) (basis of record)
Rhytida (Ptychorhytida) beraudi (Gassies, 1858) accepted as Ptychorhytida beraudi (Gassies, 1858) (basis of record)
Rhytida (Ptychorhytida) bernieri (Dautzenberg, 1902) accepted as Ptychorhytida bernieri (Dautzenberg, 1902) (basis of record)
Rhytida (Ptychorhytida) candeloti (Crosse & Marie, 1868) accepted as Ptychorhytida candeloti (Crosse & Marie, 1868) (basis of record)
Rhytida (Ptychorhytida) ferrieziana (Crosse, 1868) accepted as Ptychorhytida ferrieziana (Crosse, 1868) (basis of record)
Rhytida (Ptychorhytida) kanakina (Gassies, 1866) accepted as Ptychorhytida kanakina (Gassies, 1866) (new combination reference)
Rhytida (Ptychorhytida) subsidialis (Crosse, 1870) accepted as Ptychorhytida subsidialis (Crosse, 1870) (basis of record)
Rhytida (Ptychorhytida) testudinaria (Gassies, 1859) accepted as Ptychorhytida testudinaria (Gassies, 1859) (basis of record)
Rhytida inaequalis (Reeve, 1854) (basis of record)
Rhytidopsis chelonitis (Crosse, 1868) (basis of record)
Rhytidopsis corymbus (Crosse, 1874) (basis of record)
Rhytidopsis minutula (Crosse, 1870) (basis of record)
Rhytidopsis prevostiana (Crosse, 1874) (basis of record)
Rhytidopsis rouxi (Dautzenberg, 1923) (basis of record)
Succinea (Papusuccinea) fischeri Gassies, 1871 accepted as Succinea fischeri Gassies, 1871 (basis of record)
Succinea (Papusuccinea) montrouzieri Crosse, 1867 accepted as Succinea montrouzieri Crosse, 1867 (basis of record)
Tropidotropis trichocoma (Crosse, 1868) (basis of record)
Valvata petiti Crosse, 1872 accepted as Heterocyclus perroquini Crosse, 1872 (source of synonymy)
Zonites hamelianus Crosse, 1874 (status source)

New Caledonia for Gassiesia artensis (Montrouzier, 1859) 
New Caledonia for Gassiesia guestieriana (Gassies, 1866) 
New Caledonia for Helix (Cryptomphalus) aspersa O. F. Müller, 1774  (origin: alien)
New Caledonia for Helix turneri L. Pfeiffer, 1860 

 Taxonomy

 for Glyptophysa nasuta (Morelet, 1857)

Solem (1961) listed other 14 nominal species of the genus inhabiting New Caledonia. These may represent synonyms of ... [details]