| Name Deutsch | Name Lateinisch | Name Englisch | Lebensraum | Zuletzt gesehen |
|---|---|---|---|---|
| (Pseudoskorpion) | Neobisium crassifemoratum | – | Litauen? | ? |
| (Höhlenskorpion) | Akrav israchanani | – | Israel | zw. 1960 und 1991 |
| (Zecke) | Ixodes nitens | – | Weihnachtsinsel, Australien | 1903 |
| (Baumschnecke) | Achatinella buddii | Budd’s Oahu Tree-snail | Oahu (Hawaii) | um 1900 |
| Brasilianischer Riesenregenwurm | Rhinodrilus fafner | Giant Brazilian Earthworm | Brasilien | 1912 |
| Karibik-Mönchsrobben-Nasenmilbe | Halarachne americana | Caribbean Monk Seal Nasal Mite | Karibik | 1952 |
| Lake-Pedder-Regenwurm | Hypolimnus pedderensis | Lake Pedder Earthworm | Tasmanien, Australien | nach 1972 |
| Cascade-Trichternetzspinne | Hadronyche pulvinator | Cascade Funnelweb Spider | Tasmanien, Australien | 1926 |
| (Muschelkrebs) | Namibcypris costata | Namibian Candonid Crustacean | Namibia, Afrika | 1996 ? |
| Pasadena-Süßwassergarnele | Syncaris pasadenae | Pasadena Freshwater Shrimp | Kalifornien, USA | 1933 |
| (Landschnecke) | Plegma duponti | – | Mauritius | 19. Jhrdt. |
| (Landschnecke) | Tropidophora carinata | – | Réunion, Mauritius | 1881 |
| Wandertaubenmilbe | Diplaegidia gladiator | Passenger Pigeon Mite | Kanada | 1914 |
| (Radnetzspinne) | Araneus hortensis | – | Madeira | 1859 |
| (Hundertfüßer) | Mecistocephalus cyclops | – | Seychellen | 1892 |
| (Stummelfüßer) | Peripatopsis leonina | – | Südafrika | 1900 |
| (Kiemenfüßer) | Branchinella alachua | – | Florida, USA | 1947 |
| (Weberknecht) | Centrobunus braueri | Brauer’s Spiky Harvestmen | Mahé, Seychellen | 1894 |
| (Milbe) | Dicrogonatus gardineri | – | Mahé, Seychellen | 1909 |
| (Weberknecht) | Hirstienus nanus | – | Seychellen | 1908 |
| (Weberknecht) | Metazalmoxis ferruginea | – | Mahé, Seychellen | 1892 |
| (Weberknecht) | Peromona erinacea | – | Seychellen | 1892 |
| (Weberknecht) | Sitalcicus gardineri | – | Mahé, Seychellen | 1908 |
| (Riesenkrabbenspinne) | Stipax triangulifer | – | Mahé, Seychellen | 1898 |
| (Riesenkrabbenspinne) | Thomasettia seychellana | – | Seychellen | 1911 |
| (Tausendfüßer) | Eucarlia alluaudi | – | Marianne, Seychellen | 1892 |
| (Tausendfüßer) | Spirobolellus praslinus | – | Praslin, Seychellen | 1902 |
| (Tausendfüßer) | Orthomorpha crinita | – | Mahé, Seychellen | 1894 |
| (Ruderfußkrebs) | Afrocyclops pauliani | – | Madagaskar | 1951 |
| (Ruderfußkrebs) | Tropodiaptomus ctenopus | – | Madagaskar | nach 1930 ? |
| (Flusskrebs) | Pacifastacus nigrescens | Sooty Crayfish | Kalifornien, USA | 1900 |
| (Flusskrebs) | Procambarus angustatus | Sandhills Crayfish | Georgia, USA | 1856 |
| (Flohkrebs) | Stygobromus lucifugus | Rubious Cave Amphipod | Illinois, USA | ? |
| (Riesenkrabbenspinne) | Pleorotus braueri | – | Mahé, Seychellen | 1894 |
| (Flusskrebs) | Orconectes sheltae | Shelta Cave Crayfish | Alabama, USA | 2019 wiederentdeckt |
| (Süßwassermuschel) | Pleurobema marshalli | Flat Pigtoe Mussel | Alabama, Mississippi (USA) | 1980 |
| (Süßwassermuschel) | Epioblasma torulosa gubernaculum | Green-blossom Pearly Mussel | Tennessee River (USA) | 1982 |
| (Süßwassermuschel) | Epioblasma torulosa torulosa | Tubercled-blossom Pearly Mussel | USA | 1969 |
| (Süßwassermuschel) | Epioblasma othcaloogensis | Southern Acornshell Mussel | Coosa & Cahaba River (USA) | 1974 |
| (Süßwassermuschel) | Theliderma stapes | Stirrupshell Mussel | Alabama, Mississippi (USA) | 1987 |
| (Süßwassermuschel) | Epioblasma turgidula | Turgid-blossom Pearly Mussel | Cumberland & Tennessee River (USA) | 1965 |
| (Süßwassermuschel) | Epioblasma metastriata | Upland Combshell Mussel | Mobile River Basin (USA) | 1988 |
| (Süßwassermuschel) | Epioblasma florentina florentina | Yellow-blossom Pearly Mussel | Cumberland & Tennessee River (USA) | 1967 |
| (Süßwasserschnecke) | Marstonia castor | Beaver Pond Marstonia | Georgia (USA) | 2000 |
| (Landschnecke) | Pseudopomatias lyui | – | Indien ? | ? |
| (Landschnecke) | Pseudopomatias zhuoi| – | Indien ? | ? |
|
| (Landschnecke) | Pseudopomatias shanensis | – | Myanmar | 1895 |
| (Landschnecke) | Pseudopomatias reischuetzi | – | Indien | 1903 |
| (Landschnecke) | Pseudopomatias harli | – | Indien | Anfang 20. Jhrdt. ? |
| (Assel) | Exosphaeroma paydenae | Payden’s Isopod | Alaska, Aleuten | 1873 |
| (Tintenfisch) | Staurotheutis albatrossi | – | Nordwestpazifik | 1906 |
| (Federmilbe) | Chiasmalges carolinensis | – | Nordamerika | 1927 |
| (Süßwasserschnecke) | Lithasia hubrichti | Big Black Rocksnail | Mississippi (USA) | 2022 wiederentdeckt |
| (Baumschnecke) | Achatinella apexfulva | Dusky-apex Oahu Treesnail | Oahu (Hawaii) | 2019 |
| (Baumschnecke) | Achatinella decora | Decorated Oahu Tree-snail | Oahu (Hawaii) | um 1900 |
| (Baumschnecke) | Achatinella valida | – | Oahu (Hawaii) | 1951 |
| (Baumschnecke) | Achatinella abbreviata | Abbreviated Oahu Tree-snail | Oahu (Hawaii) | 1963 |
| (Baumschnecke) | Achatinella elegans | Elegant Oahu tree-snail | Oahu (Hawaii) | 1952 |
| (Baumschnecke) | Achatinella casta | – | Oahu (Hawaii) | ? |
| (Baumschnecke) | Achatinella caesia | – | Oahu (Hawaii) | um 1900 |
| (Baumschnecke) | Achatinella dimorpha | Two-morphed Oahu Tree-snail | Oahu (Hawaii) | 1967 |
| (Baumschnecke) | Achatinella juddii | Judd’s Oahu Tree-snail | Oahu (Hawaii) | 1958 |
| (Baumschnecke) | Achatinella juncea | – | Oahu (Hawaii) | 1951 |
| (Baumschnecke) | Achatinella lehuiensis | – | Oahu (Hawaii) | 1922 oder 1936 |
| (Baumschnecke) | Achatinella papyracea | – | Oahu (Hawaii) | vor 1945 |
| (Baumschnecke) | Achatinella spaldingi | Spalding’s Oahu Tree-snail | Oahu (Hawaii) | 1938 |
| (Baumschnecke) | Achatinella thaanumi | Thaanum’s Oahu Tree-snail | Oahu (Hawaii) | um 1900 |
| Fagildes Falltürspinne | Nemesia berlandi | Fagilde’s Trapdoor Spider | Nordportugal | 2023 wiederentdeckt |
| (Kronenschnecke) | Aylacostoma stigmaticum | – | Argentinien, Paraguay | ? |
| (Kronenschnecke) | Aylacostoma guaraniticum | – | Argentinien, Paraguay | ? |
| (Felsengarnele) | Macrobrachium purpureamanus | – | Kundur (Indonesien) | 1998 ? |
| (Skorpion) | Belisarius ibericus | – | Iberische Halbinsel | 1952 ? |
| (Skorpion) | Tityus exstinctus | – | Martinique | 1884 |
| (Zehnfußkrebs) | Potamonautes bipartitus | – | Uganda | 1892 |
| (Zehnfußkrebs) | Potamonautes dubius | – | Angola, Namibia | 1890 |
| (Süßwassermeduse) | Craspedacusta iseana | – | Japan | 1921 |
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