Helicina incertae sedis
Family: Cerionidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Cerion uva gouldi | Harasewych, 2019 | ? | Aruba, the Caribbean | Extinct | Access |
Family: Charopidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Damonita geminoropiformis | Climo, 1981 | ? | New Zealand | Missing? | Access | |
| Discocharopa aperta | (Moellendorff, 1888) | ? | Oceania & south-east Asia | Wrongly listed as extinct | Access | |
| Goweroconcha wenda | Iredale, 1944 | (rediscovered) | Lord Howe Island, New South Wales, Australia | Rediscovered | Access | |
| Helenoconcha leptalea | (Smith, 1892) | Subfossil? | St. Helena | Extinct | Access | |
| Helenoconcha minutissima | (Smith, 1892) | ? | St. Helena | Extinct | Access | |
| Helenoconcha polyodon | (Sowerby, 1844) | Subfossil? | St. Helena | Extinct | Access | |
| Helenoconcha pseustes | (Smith, 1892) | Subfossil? | St. Helena | Extinct | Access | |
| Helenoconcha sexdentata | (Smith, 1893) | ? | St. Helena | Extinct | Access | |
| Helenodiscus bilamellata | (Sowerby, 1844) | Subfossil? | St. Helena | Extinct | Access | |
| Helenodiscus vernoni | (Smith, 1892) | Subfossil? | St. Helena | Extinct | Access | |
| Hirasea acutissima | Pilsbry, 1902 | - | Hahajima, Ogasawara Islands (=Bonin Islands), Japan | Rediscovered | Access | |
| Hirasea biconcava | Pilsbry, 1902 | - | Ogasawara Islands, Japan | Missing | Access | |
| Hirasea diplomphalus diplomphalus | Pilsbry, 1902 | - | April 1985 or later | Ogasawara Islands, Japan | Rediscovered? | Access |
| Hirasea diplomphalus latispira | Pilsbry, 1902 | - | ? | Chichijima, Ogasawara Islands (=Bonin Islands), Japan | Invalid (synonym) | Access |
| Hirasea eutheca | Hirase, 1907 | - | ? | Hahajima, Ogasawara Islands, Japan | Missing | Access |
| Hirasea goniobasis | Pilsbry, 1902 | - | ? | Chichijima, Ogasawara Islands, Japan | Missing | Access |
| Hirasea hypolia | Hirase, 1907 | - | ? | Chichijima, Ogasawara Islands, Japan | Missing | Access |
| Hirasea insignis | Pilsbry & Hirase, 1904 | - | ? | Japan | Missing | Access |
| Hirasea katoi | Habe, 1973 | - | Late Pleistocene | Ogasawara Islands, Japan | Extinct | Access |
| Hirasea major | Pilsbry, 1902 | - | ? | Chichijima, Ogasawara Islands, Japan | Missing | Access |
| Hirasea minamijimana | Habe, 1973 | - | Late Pleistocene | Ogasawara Islands, Japan | Extinct | Access |
| Hirasea nesiotica liobasis | Pilsbry, 1931 | - | ? | Chichijima, Ogasawara Islands, Japan | Rediscovered | Access |
| Hirasea nesiotica nesiotica | Pilsbry, 1902 | - | - | Ogasawara Islands, Japan | Rediscovered | Access |
| Hirasea operculina | (Gould, 1859) | - | ? | Japan | Rediscovered? | Access |
| Hirasea planulata | Pilsbry & Hirase, 1903 | - | ? | Ogasawara Islands, Japan | Extinct | Access |
| Hirasea profundispira | Pilsbry, 1902 | - | ? | Chichijima, Ogasawara Islands, Japan | Missing | Access |
| Hirasea sinuosa | Pilsbry, 1902 | - | ? | Hahajima, Ogasawara Islands, Japan | Missing | Access |
| Hirasiella clara | Pilsbry, 1902 | - | ? | Chichijima, Ogasawara Islands, Japan | Missing | Access |
| Kondoconcha othnius | Solem, 1976 | ? | Tubuai Islands, French Polynesia | Missing? | Access | |
| Lagivala davidi | Ladd, 1968 | Subfossil | Tuvalu | Extinct? | Access | |
| Lauopa mbalavuana | Solem, 1983 |
1860's |
Vanua Balavu island, Fiji | Missing | Access | |
| Lottaropa lottah | (Petterd, 1879) |
(rediscovered) |
Tasmania, Australia | Rediscovered | Access | |
| Mautodontha acuticosta | (Garrett, 1884) | ? | Raiatea, Society Islands, French Polynesia | Extinct | Access | |
| Mautodontha aurora | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Missing | Access | |
| Mautodontha boraborensis | Garrett, 1884 | ? | Borabora, Society Islands, French Polynesia | Missing | Access | |
| Mautodontha ceuthma | Solem, 1976 | ? | Tubuai Islands | Missing | Access | |
| Mautodontha consimilis | (Pease, 1868) | ? | Society Islands | Extinct | Access | |
| Mautodontha consobrina | (Garrett, 1884) | ? | Society Islands, French Polynesia | Extinct | Access | |
| Mautodontha domaneschii | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct? | Access | |
| Mautodontha harperae | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct? | Access | |
| Mautodontha makateaensis | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct? | Access | |
| Mautodontha maupiensis | (Garrett, 1872) | ? | Society Islands, French Polynesia | Extinct | Access | |
| Mautodontha occidentalis | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct? | Access | |
| Mautodontha parvidens | (Pease, 1861) | ? | Society Islands | Extinct | Access | |
| Mautodontha passosi | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct? | Access | |
| Mautodontha punctiperforata | (Garrett, 1884) | ? | Society Islands, French Polynesia | Extinct | Access | |
| Mautodontha rarotongensis | (Pease, 1870) | ? | Rarotonga, Cook Islands | ? | Access | |
| Mautodontha saintjohni | Solem, 1976 | ? | Society Islands | Extinct | Access | |
| Mautodontha spelunca | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct? | Access | |
| Mautodontha subtilis | (Garrett, 1884) | ? | Society Islands, French Polynesia | Extinct | Access | |
| Mautodontha temaoensis | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct? | Access | |
| Mautodontha unilamellata | (Garrett, 1874) | ? | Rarotonga, Cook Islands, New Zealand | Extinct | Access | |
| Mautodontha virginiae | Sartori, Gargominy & Fontaine, 2014 | Subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct? | Access | |
| Mautodontha zebrina | (Garrett, 1874) | ? | Rarotonga, Cook Islands, New Zealand | Extinct | Access | |
| Mocella elliottae | (Climo, 1969) | Subfossil | South Island, New Zealand | Extinct? | Access | |
| Mocella spelaeus | (Climo, 1971) | Subfossil | South Island, New Zealand | Extinct? | Access | |
| Orangia cookei | Solem, 1976 | ? | Rapa, Tubuai Islands | Extinct? | Access | |
| Orangia maituatensis | Solem, 1976 | ? | Rapa, Tubuai Islands | Extinct? | Access | |
| Orangia sporadica | Seddon, 1996 | ? | Rapa, Tubuai Islands | Missing? | Access | |
| Ouagapia perryi | (Smith, 1897) | ? | Rotuma, New Hebrides | Missing? | Access | |
| Propilula cyclaria | (Morelet, 1875) | ? | Mascarene Islands | Missing? | Access | |
|
Pseudocharopa exquisita
|
Peuile, 1929 | 1914 | Lord Howe Island, New South Wales, Australia | Missing | Access | |
| Pseudocharopa whiteleggei | Brazier in Etheridge, 1889 | (rediscovered) | Lord Howe Island, New South Wales, Australia | Rediscovered | Access | |
| Rhysoconcha atanuiensis | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing? | Access | |
| Rhysoconcha variumbilicata | Solem, 1976 | - | - | Rapa (=Rapa Iti), Tubuai Islands, French Polynesia | Rediscovered | Access |
| Ruatara koarana | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing? | Access | |
| Ruatara oparica | Anton, 1839 | ? | Rapa, Tubuai Islands | Missing | Access | |
| Sinployea aunuuana | Solem, 1983 | 4 February 1926 | Aunu'u, American Samoa | Missing? | Access | |
| Sinployea canalis | (Garrett, 1872) | ? | Rarotonga, Cook Islands | Extinct | Access | |
| Sinployea clista ssp. nov. "Upolu' | - | ? | 'Upolu, Samoa | Extinct? | Access | |
| Sinployea complementaria | Mousson, 1865 | 1965 | 'Upolu (island) | Missing? | Access | |
| Sinployea decorticata | (Garrett, 1872) | 1872 | Rarotonga, Cook Islands | Extinct | Access | |
| Sinployea harveyensis | (Garrett, 1872) | ? | Rarotonga, Cook Islands | Extinct | Access | |
| Sinployea muri | Brook, 2010 | Subfossil | Rarotonga, Cook Islands | Extinct? | Access | |
| Sinployea otareae | (Garrett, 1872) | ? | Rarotonga, Cook Islands | Extinct | Access | |
| Sinployea peasei | Solem, 1983 | 1960's or later? | Rarotonga, Cook Islands | Missing | Access | |
| Sinployea planospira | (Garrett, 1881) | ? | Rarotonga, Cook Islands | Extinct | Access | |
| Sinployea proxima | (Garrett, 1872) | ? | Rarotonga, Cook Islands | Extinct | Access | |
| Sinployea rotumana | (Smith, 1897) | 1938 (dead shell) | Hauatia Islet and Rotuma Island, Rotuma Group, Fiji | Missing? | Access | |
| Sinployea rudis | (Garrett, 1872) | ? | Cook Islands | Extinct | Access | |
| Sinployea tenuicostata | (Garrett, 1872) | ? | Rarotonga, Cook Islands | Extinct | Access | |
| Sinployea titikaveka | Brook, 2010 | Subfossil | Rarotonga, Cook Islands | Extinct? | Access | |
| Sinployea tupapa | Brook, 2010 | Subfossil | Rarotonga, Cook Islands | Extinct? | Access | |
| Sinployea youngi | (Garrett, 1872) | ? | Rarotonga, Cook Islands | Extinct | Access | |
| Taipidon anceyana | (Garrett, 1887) | ? | French Polynesia | Extinct | Access | |
| Taipidon marquesana | (Garrett, 1887) | ? | French Polynesia | Extinct | Access | |
| Taipidon octolamellata | (Garrett, 1887) | ? | French Polynesia | Extinct | Access | |
| Trachycystis rariplicata | (Benson, 1887) | ? | South Africa | Missing? | Access | |
| Zelandiscus elevata | Climo, 1978 | Subfossil | Aorere Valley, Nelson, South Island, New Zealand | Missing | Access | |
| Zelandiscus worthyi | Climo, 1989 | ? | Te Anau, South Island, New Zealand | Missing | Access | |
| CHAROPIDAE sp. 104 | - | ? | New Zealand | Missing | Access |
Family: Discidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Atlantica putrescens | (R.T. Lowe, 1861) | 1852 | Canary Islands, Macaronesia | Missing | Access | |
| Discus macclintocki | Baker, 1928 | Iowa Pleistocene snail, Pleistocene disc | - | Iowa, USA | Rediscovered | Access |
| Keraea garachicoensis | (Wollaston, 1878) | ? | Tenerife, Canary Islands | Extinct? | Access |
Family: Endodontidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Aaadonta angaurana | Solem, 1976 | 1936 | Palau, Caroline Islands | Missing | Access | |
| Aaadonta constricta babelthuapi | Solem, 1976 | - | Palau, Caroline Islands | Rediscovered | Access | |
| Aaadonta constricta komakanensis | Solem, 1976 | 1936 | Palau, Caroline Islands | Missing | Access | |
| Aaadonta fuscozonata depressa | Solem, 1976 | - | Palau, Caroline Islands | Rediscovered | Access | |
| Aaadonta fuscozonata fuscozonata | Beddome, 1889 | - | Palau, Caroline Islands | Rediscovered | Access | |
| Aaadonta irregularis | Semper, 1874 | - | Palau, Caroline Islands | Rediscovered | Access | |
| Aaadonta kinlochi | Solem, 1976 | 1936 | Palau, Caroline Islands | Missing | Access | |
| Aaadonta pelewana | Solem, 1976 | pre-1945 | Palau, Caroline Islands | Missing | Access | |
| Anceyodonta alternata | Cooke & Solem in Solem, 1976 | ? | Mangareva, Gambier Islands, Tuamotu Archipelago | Missing | Access | |
| Anceyodonta andersoni | Cooke & Solem in Solem, 1976 | ? | Mangareva & Taravai, Gambier Islands, Tuamotu Archipelago | Missing | Access | |
| Anceyodonta constricta | Cooke & Solem in Solem, 1976 | ? | Aukena, Gambier Islands, Tuamotu Archipelago | Missing | Access | |
| Anceyodonta densicostata | Cooke & Solem in Solem 1976 | ? | Mangareva and Taravai Islets, Mangareva, Gambier Islands | Missing | Access | |
| Anceyodonta difficilis | Solem, 1976 | ? | Mangareva Islet, Mangareva, Gambier Islands | Missing | Access | |
| Anceyodonta ganhutuensis | Cooke & Solem in Solem 1976 | ? | Gambier Islands | Missing | Access | |
| Anceyodonta gatavakensis | Abdou & Bouchet, 2000 | ? | Gambier Islands | Missing | Access | |
| Anceyodonta hamyana | (Ancey, 1889) | ? | Gambier Islands | Missing | Access | |
| Anceyodonta labiosa | Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Anceyodonta obesa | Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Anceyodonta sexlamellata | Pfeiffer, 1845 | ? | Gambier Islands | Missing | Access | |
| Anceyodonta soror | Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Anceyodonta subconica | Solem & Cooke in Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Anceyodonta umbilicata | Abdou & Bouchet, 2000 | ? | Gambier Islands | Missing | Access | |
| Australdonta anneae | Sartori, Gargominy & Fontaine, 2013 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta collicella | Zimmerman, Gargominy & Fontaine, 2009 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta degagei | (Garrett, 1879) | ? | Rimatara, French Polynesia | Missing | Access | |
| Australdonta ectopia | Solem, 1976 | 1934 (empty shell) | Raivavae, Austral Islands, French Polynesia | Missing | Access | |
| Australdonta florencei | Sartori, Gargominy & Fontaine, 2013 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta magnasulcata | Solem, 1976 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta magnasulcatissima | Zimmerman, Gargominy & Fontaine, 2009 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta microspiralis | Zimmerman, Gargominy & Fontaine, 2009 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta oheatora | Sartori, Gargominy & Fontaine, 2013 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta pakalolo | Sartori, Gargominy & Fontaine, 2013 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta pharcata | Solem, 1976 | ? | Tubuai, French Polynesia | Missing | Access | |
| Australdonta pseudplanulata | Solem, 1976 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta rimatarana | Solem, 1976 | ? | Rimatara, French Polynesia | Missing | Access | |
| Australdonta sibleti | Sartori, Gargominy & Fontaine, 2013 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta sulcata | Zimmerman, Gargominy & Fontaine, 2009 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta teaae | Sartori, Gargominy & Fontaine, 2013 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta tubuaiana | Solem, 1976 | ? | Tubuai, French Polynesia | Missing | Access | |
| Australdonta yoshii | Solem, 1976 | ? | Rurutu, French Polynesia | Missing | Access | |
| Australdonta sp. nov. 1 | - | ? | Rimatara, French Polynesia | Missing | Access | |
| Australdonta sp. nov. 2 | - | ? | Rimatara, French Polynesia | Missing | Access | |
| Australdonta sp. nov. 3 | - | ? | Rimatara, French Polynesia | Missing | Access | |
| Cookeconcha antiqua | Solem, 1977 | Late Pleistocene | Midway Atoll, Hawaiian Islands, USA | Extinct | Access | |
| Cookeconcha contorta | Ferussac, 1825 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha cookei | Cockerell, 1933 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha decussatula | Pease, 1866 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha elisae | Ancey, 1889 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha henshawi | Ancey, 1904 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha hystricella | Pfeiffer, 1859 | - | Oahu, Hawaiian Islands, USA | Rediscovered | Access | |
| Cookeconcha hystrix | Pfeiffer, 1846 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha jugosa | Mighels, 1845 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha lanaiensis | (Sykes, 1896) | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha luctifera | Pilsbry & Vanatta, 1905 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha nuda | Ancey, 1904 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha paucicostata | Pease, 1871 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha paucilamellata | Ancey, 1904 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha ringens | Sykes, 1896 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha stellula | Gould, 1844 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha thaanumi | Pilsbry & Vanatta, 1905 | ? | Hawaiian Islands, USA | Missing | Access | |
| Cookeconcha thwingi | Ancey, 1904 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta apiculata | (Ancey, 1889) | - | 1930's | Hawaiian Islands, USA | Missing | Access |
| Endodonta binaria | Pfeiffer, 1856 | ? | Kauai, Hawaiian Islands, USA | Missing | Access | |
| Endodonta concentrata | Pilsbry & Vanatta, 1906 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta ekahanuiensis | Solem, 1976 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta fricki | Pfeiffer, 1858 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta kalaeloana | Christensen, 1976 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta kamehameha | Pilsbry & Vanatta, 1905 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta lamellosa | Ferussac, 1855 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta laminata | Pease, 1866 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta marsupialis | Pilsbry & Vanatta, 1905 | ? | Hawaiian Islands, USA | Missing | Access | |
| Endodonta rugata | Pease, 1866 | ? | Hawaiian Islands, USA | Missing | Access | |
| Gambiodonta agakauitaiana | Solem & Cooke in Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Gambiodonta grandis | Cooke & Solem in Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Gambiodonta mangarevana | Solem & Cooke in Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Gambiodonta mirabilis | Cooke & Solem in Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Gambiodonta pilsbryi | Cooke & Solem in Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Gambiodonta tumida | Cooke & Solem in Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Kleokyphus callimus | Solem, 1976 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Kleokyphus cowiei | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Kleokyphus hypsus | Solem, 1976 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Libera jacquinoti | (L. Pfeiffer, 1849) | Holocene | Mo‘orea, Society Islands, French Polynesia | Extinct | Access | |
| Libera kondoi | Christensen, Khan & Kirch, 2018 | Holocene | Mo‘orea, Society Islands, French Polynesia | Extinct | Access | |
| Libera subcavernula | (Tryon, 1887) | ? | Cook Islands | Extinct | Access | |
| Libera tumuloides | (Garrett, 1872) | ? | Rarotonga, Cook Islands | Extinct | Access | |
| Minidonta anatonuana | Solem, 1976 | ? | Raivavae, French Polynesia | Missing | Access | |
| Minidonta aroa | Brook, 2010 | ? | Rarotonga, Cook Islands | Missing | Access | |
| Minidonta arorangi | Brook, 2010 | ? | Rarotonga, Cook Islands | Missing | Access | |
| Minidonta bieleri | Sartori, Gargominy & Fontaine, 2013 | ? | Rurutu, French Polynesia | Missing | Access | |
| Minidonta boucheti | Sartori, Gargominy & Fontaine, 2013 | ? | Rurutu, French Polynesia | Missing | Access | |
| Minidonta extraria | Cooke & Solem, 1976 | ? | Gambier Islands | Missing | Access | |
| Minidonta flammulina | Abdou & Bouchet, 2000 | ? | Gambier Islands | Missing | Access | |
| Minidonta gravacosta | Solem, 1976 | ? | Raivavae, French Polynesia | Missing | Access | |
| Minidonta haplaenopla | Solem, 1976 | ? | Rurutu, French Polynesia | Missing | Access | |
| Minidonta iota | Brook, 2010 | ? | Rarotonga, Cook Islands | Missing | Access | |
| Minidonta kavera | Brook, 2010 | ? | Rarotonga, Cook Islands | Missing | Access | |
| Minidonta macromphalus | Preece, 1998 | ? | Henderson Island, Pitcairn group, South Pacific | Missing | Access | |
| Minidonta manuaensis | Solem, 1976 | ? | Manua, Samoan Islands | Missing | Access | |
| Minidonta micra | Solem & Cooke, 1976 | ? | Gambier Islands | Missing | Access | |
| Minidonta micraconica | Solem, 1976 | ? | Raivavae, French Polynesia | Missing | Access | |
| Minidonta ngatangiia | Brook, 2010 | ? | Rarotonga, Cook Islands | Missing | Access | |
| Minidonta opunohua | Christensen, Khan & Kirch, 2018 | Holocene | Mo‘orea, Society Islands, French Polynesia | Extinct | Access | |
| Minidonta perminima | Abdou & Bouchet, 2000 | ? | Gambier Islands | Missing | Access | |
| Minidonta planulata | Solem, 1976 | ? | Raivavae, French Polynesia | Missing | Access | |
| Minidonta pue | Brook, 2010 | ? | Rarotonga, Cook Islands | Missing | Access | |
| Minidonta rutaki | Brook, 2010 | ? | Rarotonga, Cook Islands | Missing | Access | |
| Minidonta simulata | Solem & Cooke in Solem 1976 | ? | Gambier Islands | Missing | Access | |
| Minidonta sulcata | Solem, 1976 | ? | Rurutu, French Polynesia | Missing | Access | |
| Minidonta taravensis | Solem & Cooke in Solem 1976 | ? | Gambier Islands | Missing | Access | |
| Minidonta taunensis | Solem & Cooke in Solem 1976 | ? | Gambier Islands | Missing | Access | |
| Minidonta vallonia | Abdou & Bouchet, 2000 | ? | Gambier Islands | Missing | Access | |
| Minidonta sp. nov. 'Raivavae' | - | - | ? | Raivavae, French Polynesia | Extinct | Access |
| Nesodiscus cookei | Christensen, Khan & Kirch, 2018 | Holocene | Mo‘orea, Society Islands, French Polynesia | Extinct? | Access | |
| Nesodiscus nummus | Christensen, Khan & Kirch, 2018 | Holocene | Mo‘orea, Society Islands, French Polynesia | Extinct? | Access | |
| Opanara altiapica | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing? | Access | |
| Opanara areaensis | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing? | Access | |
| Opanara bitridentata | Solem, 1976 | - | - | Rapa (=Rapa Iti), Tubuai Islands, French Polynesia | Rediscovered | Access |
| Opanara caliculata | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing? | Access | |
| Opanara depasoapicata | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing | Access | |
| Opanara duplicidentata | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing | Access | |
| Opanara fosbergi | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing | Access | |
| Opanara megomphala | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing | Access | |
| Opanara perahuensis | Solem, 1976 | ? | Rapa, Tubuai Islands | Missing | Access | |
| †Protoendodonta laddi | Solem, 1977 | Late Pleistocene | Midway Atoll, Hawaiian Islands, USA | Extinct | Access | |
| †Pseudohelenoconcha persoluta | (Smith, 1892) | ? | St. Helena | Invalid (synonym) | Access | |
| †Pseudohelenoconcha spurca | (Sowerby, 1844) | ? | Saint Helena, Ascension and Tristan da Cunha | Extinct | Access | |
| Pseudolibera aubertdelaruei | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Pseudolibera cookei | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Pseudolibera elieporoii | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Pseudolibera extincta | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Pseudolibera lillianae | Solem, 1976 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Pseudolibera matthieui | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Pseudolibera paraminderae | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Pseudolibera parva | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Pseudolibera solemi | Sartori, Gargominy & Fontaine, 2014 | subfossil | Makatea (=Mangaia-te-vai-tamae), Tuamotu Archipelago (=Tuamotus) (western), French Polynesia | Extinct | Access | |
| Rikitea insolens | Cooke & Solem in Solem 1976 | ? | Mangareva, Gambier Islands | Missing | Access | |
| Rikitea tapinoptyx | Abdou & Bouchet, 2000 | ? | Gambier Islands | Missing | Access | |
| Thaumatodon multilamellata | (Garrett, 1872) | ? | Rarotonga, Cook Islands | Extinct | Access |
Family: Gastrodontidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Atlantica calathoides | (R.T. Lowe, 1863) | - | Deserta Grande Island, Madeira Archipelago | Rediscovered | Access | |
| Atlantica engonata | (Shuttleworth, 1852) | ? | ? | ? | Access | |
| Atlantica guerinianus | (Lowe, 1852) | Madeiran land snail | (rediscovered) | Madeira, Portugal | Rediscovered | Access |
| Atlantica retexta | (Shuttleworth, 1852) | ? | ? | ? | Access | |
| Atlantica textilis | (Shuttleworth, 1852) | ? | ? | ? | Access |
Family: Helicodiscidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Zilchogyra franzi | Weyrauch, 1965 | - | - | Argentina | Rediscovered | Access |
Family: Oreohelicidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Oreohelix florida | Pilsbry, 1939 | Florida mountain snail, Florida mountainsnail | ? | Florida Mountains, Luna County, New Mexico, USA | Missing | Access |
| Oreohelix tenuistriata | Henderson & Daniels, 1916 | Thin-ripped mountain snail | ? | Idaho, USA | Missing | Access |
Family: Punctidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Johannesoconcha minuscula | Preston, 1913 | Subfossil | Norfolk Island, Australia | Extinct? | Access | |
| Punctum mokotoense | Abdou & Bouchet, 2000 | ? | Mangareva, Gambier Islands | Extinct? | Access |
Family: Urocoptidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Anoma adamsi | Pilsbry, 1904 | ? | Spring Garden Ulster Spring, Trelawny Parish, Jamaica | Extinct? | Access | |
| Anoma alboanfractus | (Chitty, 1853) | ? | Caribbean? | Extinct? | Access | |
| Anoma dohriana | (Pfeiffer, 1871) | ? | Caribbean? | Extinct? | Access | |
| Anoma flexuosa | (Pfeiffer, 1866) | ? | Caribbean? | Extinct? | Access | |
| Anoma fuscolabris | (Chitty, 1853) | ? | Caribbean? | Extinct? | Access | |
| Anoma gossei | (Pfeiffer, 1846) | ? | Jamaica? | Extinct? | Access | |
| Anoma gracilis | (C. B. Adams, 1851) | ? | Caribbean? | Extinct? | Access | |
| Anoma integra | (C. B. Adams, 1851) | ? | Caribbean? | Extinct? | Access | |
| Anoma jarvisi | Pilsbry, 1903 | ? | Caribbean? | Extinct? | Access | |
| Anoma nitens | (Chitty, 1853) | ? | Caribbean? | Extinct? | Access | |
| Anoma prunicolor | (Chitty, 1853) | ? | Caribbean? | Extinct? | Access | |
| Anoma pulchella | (Chitty, 1853) | ? | Caribbean? | Extinct? | Access | |
| Anoma pulla | (Chitty, 1853) | ? | Caribbean? | Extinct? | Access | |
| Anoma radiata | (Chitty, 1853) | ? | Caribbean? | Extinct? | Access | |
| Anoma solida | (C. B. Adams, 1851) | ? | Caribbean? | Extinct? | Access | |
| Anoma tricolor | (Pfeiffer, 1847) | ? | Caribbean? | Extinct? | Access | |
| Coelostemma richardi | Thompson, 1971 | ? | Oaxaca, Mexico | Extinct? | Access | |
| Cylindrella pilocerei | Pfeiffer 1841 | ? | Mexico | Extinct? | Access |