Ancylus reticulatus Gassies, 1865 (additional source)
Auricula hanleyana Gassies, 1869 accepted as Tralia hanleyana (Gassies, 1869) (additional source)
Bulimus abbreviatus Gassies, 1871 † accepted as Placostylus abbreviatus (Gassies, 1871) † (original description)
Bulimus aesopeus Gassies, 1871 accepted as Placostylus fibratus fibratus (Martyn, 1784) (original description)
Bulimus artensis Gassies, 1866 accepted as Lamellaxis (Allopeas) gracilis (T. Hutton, 1834) accepted as Allopeas gracile (T. Hutton, 1834) (additional source)
Bulimus carbonarius Gassies, 1871 accepted as Placostylus fibratus guestieri (Gassies, 1869) (original description)
Bulimus cicatricosus Gassies, 1871 accepted as Placostylus fibratus alexander (Crosse, 1855) (original description)
Bulimus corpulentus Gassies, 1871 † accepted as Placostylus corpulentus (Gassies, 1871) † (original description)
Bulimus debeauxi Gassies, 1871 accepted as Placostylus fibratus guestieri (Gassies, 1869) (original description)
Bulimus duplex Gassies, 1871 accepted as Placostylus porphyrostomus porphyrostomus (L. Pfeiffer, 1853) (original description)
Bulimus duplex var. major Gassies, 1871 accepted as Placostylus porphyrostomus monackensis (Crosse, 1888) (original description)
Bulimus falcicula Gassies, 1871 accepted as Placostylus fibratus fibratus (Martyn, 1784) (original description)
Bulimus fibratus var. elongata Gassies, 1871 (original description)
Bulimus guestieri var. major Gassies, 1871 accepted as Placostylus fibratus souvillei (Morelet, 1857) (original description)
Bulimus imbricatus Gassies, 1871 accepted as Placostylus fibratus souvillei (Morelet, 1857) (original description)
Bulimus infundibulum Gassies, 1871 accepted as Placostylus fibratus guestieri (Gassies, 1869) (original description)
Bulimus lalannei Gassies, 1871 accepted as Placostylus fibratus souvillei (Morelet, 1857) (original description)
Bulimus necouensis Gassies, 1871 accepted as Placostylus fibratus alexander (Crosse, 1855) (original description)
Bulimus patens Gassies, 1871 accepted as Placostylus fibratus souvillei (Morelet, 1857) (original description)
Bulimus porphyrostomus var. abbreviata Gassies, 1871 accepted as Placostylus porphyrostomus porphyrostomus (L. Pfeiffer, 1853) (original description)
Bulimus pseudocaledonicus var. dentata Gassies, 1871 accepted as Placostylus scarabus (Albers, 1854) (original description)
Bulimus rhizophorarus Gassies, 1871 accepted as Placocharis founaki (Hombron & Jacquinot, 1847) accepted as Eumecostylus founaki (Hombron & Jacquinot, 1847) (original description)
Bulimus senilis var. elongata Gassies, 1871 † accepted as Placostylus senilis (Gassies, 1869) † (original description)
Bulimus superfasciatus Gassies, 1871 accepted as Placostylus fibratus fibratus (Martyn, 1784) (original description)
Bulimus turgidulus Gassies, 1871 accepted as Draparnaudia gassiesi Pilsbry, 1902 (original description)
Cyclostoma vieillardi Gassies, 1870 accepted as Gassiesia guestieriana (Gassies, 1866) (additional source)
Helix decreta Gassies, 1871 accepted as Andrefrancia decreta (Gassies, 1871) (original description)
Helix koutoumensis Gassies, 1871 accepted as Andrefrancia ostiolum (Crosse, 1870) (original description)
Hydrocena crosseana Gassies, 1869 accepted as Crossilla crosseana (Gassies, 1869) (additional source)
Hydrocena hidalgoi Gassies, 1869 accepted as Paludinella hidalgoi (Gassies, 1869) (additional source)
Hydrocena pygmaea Gassies, 1867 accepted as Assiminea parvula pygmaea (Gassies, 1867) (additional source)
Hydrocena turbinata Gassies, 1871 accepted as Crossilla crosseana (Gassies, 1869) (original description)
Limax mouensis Gassies, 1871 accepted as Deroceras laeve (O. F. Müller, 1774) (original description)
Pupa condita Gassies, 1869 (additional source)
Pupa condita var. zonata Gassies, 1871 (original description)
Pupa obstructa Gassies, 1871 accepted as Gastrocopta obstructa (Gassies, 1871) (original description)
Succinea fischeri Gassies, 1871 (original description)

New Caledonia for Bulimus senilis var. elongata Gassies, 1871 † 
New Caledonia for Bulimus turgidulus Gassies, 1871 
New Caledonia for Hydrocena pygmaea Gassies, 1867 
New Caledonia for Hydrocena turbinata Gassies, 1871 
New Caledonia for Pupa condita var. zonata Gassies, 1871 
New Caledonia for Pupa obstructa Gassies, 1871 
New Caledonia for Succinea fischeri Gassies, 1871