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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
Invertebrate species (IUCN, 2020.1)
17,646 extant species have been evaluated
12,368 of those are fully assessed[a]
8024 are not threatened at present[b]
4328 to 9606 are threatened[c]
410 to 616 are extinct or extinct in the wild:
395 extinct (EX ) species[d]
15 extinct in the wild (EW )
206 possibly extinct [CR(PE )]
0 possibly extinct in the wild [CR(PEW)]
^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
^ Chart omits extinct (EX ) species
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 395 extinct species, 206 possibly extinct species, 15 extinct in the wild species, 8 extinct subspecies, and 5 extinct in the wild subspecies of invertebrate.[1] [2]
Extinct species
Extinct species
Possibly extinct species
Extinct species
Extinct species
Achatinella buddii
Achatinella caesia
Achatinella casta
Achatinella decora
Achatinella dimorpha
Achatinella elegans
Achatinella juddii
Achatinella juncea
Achatinella lehuiensis
Achatinella livida
Achatinella papyracea
Achatinella spaldingi
Achatinella thaanumi
Achatinella valida
Advena campbelli
Amastra albolabris
Amastra cornea
Amastra crassilabrum
Amastra elongata
Amastra forbesi
Amastra pellucida
Amastra porcus
Amastra reticulata
Amastra subrostrata
Amastra subsoror
Amastra tenuispira
Amastra umbilicata
Amphicyclotulus guadeloupensis
Shoal sprite (Amphigyra alabamensis)
Boulder snail (Athearnia crassa)
Auriculella expansa
Auriculella uniplicata
Belgrandiella intermedia
Bythinella gibbosa
Bythinella limnopsis
Bythinella mauritanica
Bythinella microcochlia
Bythinella punica
Caldwellia philyrina
Campolaemus perexilis
Carelia anceophila
Carelia bicolor
Carelia cochlea
Carelia cumingiana
Carelia dolei
Carelia evelynae
Carelia glossema
Carelia hyattiana
Carelia kalalauensis
Carelia knudseni
Carelia lirata
Carelia lymani
Carelia mirabilis
Carelia necra
Carelia olivacea
Carelia paradoxa
Carelia periscelis
Carelia pilsbryi
Carelia sinclairi
Carelia tenebrosa
Carelia turricula
Chilonopsis blofeldi
Chilonopsis exulatus
Chilonopsis helena
Chilonopsis melanoides
Great Saint Helena awl snail (Chilonopsis nonpareil)
Chilonopsis subplicatus
Chilonopsis subtruncatus
Chilonopsis turtoni
Cahaba pebblesnail (Clappia cahabensis)
Umbilicate pebblesnail (Clappia umbilicata)
Collisella edmitchelli
Colparion madgei
Ctenoglypta newtoni
Cyclophorus horridulum
Cyclosurus mariei
Mount Matafao different snail (Diastole matafaoi)
Dupontia proletaria
Short-spired elimia (Elimia brevis)
Closed elimia (Elimia clausa)
Fusiform elimia (Elimia fusiformis)
Shouldered elimia (Elimia gibbera)
High-spired elimia (Elimia hartmaniana)
Constricted elimia (Elimia impressa)
Hearty elimia (Elimia jonesi)
Teardrop elimia (Elimia lachryma)
Ribbed elimia (Elimia laeta)
Wrinkled elimia (Elimia macglameriana)
Rough-lined elimia (Elimia pilsbryi)
Pupa elimia (Elimia pupaeformis)
Pygmy elimia (Elimia pygmaea)
Cobble elimia (Elimia vanuxemiana)
Erepta nevilli
Fluvidona dulvertonensis
Gastrocopta chichijimana
Gastrocopta ogasawarana
Gibbus lyonetianus
Gonidomus newtoni
Gonospira nevilli
Graecoanatolica macedonica
Gulella mayottensis
Excised slitshell (Gyrotoma excisa)
Striate slitshell (Gyrotoma lewisii)
Pagoda slitshell (Gyrotoma pagoda)
Ribbed slitshell (Gyrotoma pumila)
Pyramid slitshell (Gyrotoma pyramidata)
Round slitshell (Gyrotoma walkeri)
Harmogenanina linophora
Harmogenanina subdetecta
Helenoconcha leptalea
Helenoconcha minutissima
Helenoconcha polyodon
Helenoconcha pseustes
Helenoconcha sexdentata
Helenodiscus bilamellata
Helenodiscus vernoni
Heleobia spinellii
Helicopsis paulhessei
Hirasea planulata
Hydrobia gracilis
Incerticyclus cinereus
Incerticyclus martinicensis
Islamia ateni
Lamellidea monodonta
Lamellidea nakadai
Leiorhagium solemi
Leiostyla lamellosa
Agate rocksnail (Leptoxis clipeata)
Oblong rocksnail (Leptoxis compacta)
Interrupted rocksnail (Leptoxis foremani)
Maiden rocksnail (Leptoxis formosa)
Rotund rocksnail (Leptoxis ligata)
Lyrate rocksnail (Leptoxis lirata)
Bigmouth rocksnail (Leptoxis occultata)
Coosa rocksnail (Leptoxis showalterii)
Squat rocksnail (Leptoxis torrefacta)
Striped rocksnail (Leptoxis vittata)
Leucocharis loyaltyensis
Leucocharis porphyrocheila
Libera subcavernula
Libera tumuloides
Littoraria flammea
Littoridina gaudichaudii
Eelgrass limpet (Lottia alveus)
Lyropupa perlonga
Olive marstonia (Marstonia olivacea)
Mautodontha acuticosta
Mautodontha consimilis
Mautodontha consobrina
Mautodontha maupiensis
Mautodontha parvidens
Mautodontha punctiperforata
Mautodontha saintjohni
Mautodontha subtilis
Mautodontha unilamellata
Mautodontha zebrina
Megalobulimus cardosoi
Mercuria letourneuxiana
Nancibella quintalia
Carinate flat-top snail (Neoplanorbis carinatus)
Angled flat-top snail (Neoplanorbis smithi)
Little flat-top snail (Neoplanorbis tantillus)
Umbilicate flat-top snail (Neoplanorbis umbilicatus)
Nesopupa turtoni
Newcombia philippiana
Ohridohauffenia drimica
Oleacina guadeloupensis
Omphalotropis plicosa
Pachnodus curiosus
Pachnodus ladiguensis
Pachnodus velutinus
Pachystyla rufozonata
Panulena perrugosa
Partula approximata
Partula arguta
Partula atilis
Partula aurantia
Partula auriculata
Partula bilineata
Partula callifera
Partula candida
Partula castanea
Partula cedista
Partula citrina
Partula compacta
Partula crassilabris
Partula cuneata
Partula cytherea
Partula dolichostoma
Partula dolorosa
Partula eremita
Partula exigua
Partula hebe
Partula filosa
Partula formosa
Partula fusca
Partula garretti
Polynesia tree snail (Partula imperforata)
Partula labrusca
Partula leptochila
Partula levilineata
Partula levistriata
Partula lugubris
Partula lutea
Partula microstoma
Partula navigatoria
Partula ovalis
Partula planilabrum
Partula producta
Partula protea
Partula protracta
Partula radiata
Partula raiatensis
Partula remota
Partula robusta
Partula rustica
Partula sagitta
Mount Alifana partula (Partula salifana)
Partula thalia
Partula turgida
Partula umbilicata
Partula variabilis
Partula vittata
Partulina crassa
Partulina montagui
Perdicella fulgurans
Perdicella maniensis
Perdicella zebra
Perdicella zebrina
Fish Lake physa (Physella microstriata)
Placostylus cuniculinsulae
Acorn ramshorn (Planorbella multivolvis)
Plectostoma sciaphilum
Pleurodonte desidens
Posticobia norfolkensis
Pseudamnicola barratei
Pseudamnicola desertorum
Pseudamnicola doumeti
Pseudamnicola globulina
Pseudamnicola latasteana
Pseudamnicola oudrefica
Pseudamnicola ragia
Pseudamnicola singularis
Pseudocampylaea loweii
Pseudohelenoconcha spurca
Pupilla obliquicosta
Corded purg (Pyrgulopsis nevadensis)
Quintalia flosculus
Quintalia stoddartii
Rhachis comorensis
Rhachis sanguineus
Aldabra banded snail (Rhachistia aldabrae)
Samoana inflata
Samoana jackieburchi
Sinployea canalis
Sinployea decorticata
Sinployea harveyensis
Sinployea otareae
Sinployea planospira
Sinployea proxima
Sinployea rudis
Sinployea tenuicostata
Sinployea youngi
Ouachita pebblesnail (Somatogyrus amnicoloides)
Thick-lipped pebblesnail (Somatogyrus crassilabris)
Channeled pebblesnail (Somatogyrus wheeleri)
Fish springs marshsnail (Stagnicola pilsbryi)
Taipidon anceyana
Taipidon marquesana
Taipidon octolamellata
Thaumatodon multilamellata
Tomigerus gibberulus
Tomigerus turbinatus
Tornelasmias capricorni
Trochoidea picardi
Tropidophora desmazuresi
Tropidophora semilineata
Vitrinula chaunax
Vitrinula chichijimana
Vitrinula hahajimana
Possibly extinct species
Aaadonta kinlochi
Aaadonta pelewana
Alzoniella galaica
Beddomeia tumida
Belgrandia moitessieri
Belgrandia varica
Belgrandiella boetersi
Belgrandiella cavernica
Belgrandiella kreisslorum
Belgrandiella multiformis
Bulimulus achatellinus
Bulimulus adelphus
Bulimulus deridderi
Bulimulus duncanus
Bulimulus eos
Bulimulus lycodus
Bulimulus saeronius
Bulimulus sp. nov. 'josevillani'
Bulimulus sp. nov. 'krameri'
Bulimulus sp. nov. 'nilsodhneri'
Bulimulus sp. nov. 'tuideroyi'
Bulimulus sp. nov. 'vanmoli'
Bulimulus tanneri
Bythinella eutrepha
Bythiospeum dubium
Bythiospeum gonostoma
Bythiospeum putei
Bythiospeum turritum
Coneuplecta turrita
Conturbatia crenata
Delos gardineri
Dianella schlickumi
Diplommatina alata
Diplommatina aurea
Diplommatina gibboni
Discula lyelliana
Discula tetrica
Mossy elimia (Elimia troostiana)
Endodonta apiculata
Eua globosa
Falsipyrgula beysehirana
Gabbiella matadina
Geomitra delphinuloides
Geomitra grabhami
Graecoanatolica brevis
Graecoanatolica conica
Hemicycla modesta
Henrigirardia wienini
Hydrobia anatolica
Iglica gratulabunda
Islamia bendidis
Islamia graeca
Islamia hadei
Islamia pseudorientalica
Islamia zermanica
Kirelia carinata
Kubaryia pilikia
Lauopa mbalavuana
Leiostyla abbreviata
Leiostyla cassida
Leiostyla gibba
Leiostyla simulator
Madgeaconcha sevathiani
Margarya yangtsunghaiensis
Ozark pyrg (Marstonia ozarkensis)
Melanoides agglutinans
Melanopsis germaini
Melanopsis infracincta
Melanopsis khabourensis
Melanopsis pachya
Mercuria punica
Monilearia pulverulenta
Montserratina becasis
Neritina tiassalensis
Ohridohauffenia minuta
Omphalotropis ingens
Opisthostoma decrespignyi
Opisthostoma otostoma
Paladilhiopsis janinensis
Palaina albata
Palaina patula
Palaina platycheilus
Palaina pupa
Partula guamensis
Partula leucothoe
Partula milleri
Placostylus koroensis
Plectostoma charasense
Plectostoma dindingensis
Plectostoma turriforme
Potamopyrgus acus
Pseudogibbula cara
Samoana cramptoni
Sardohoratia sulcata
Soapitia dageti
Stocky pebblesnail (Somatogyrus crassus)
Tennessee pebblesnail (Somatogyrus currierianus)
Fluted pebblesnail (Somatogyrus hendersoni)
Atlas pebblesnail (Somatogyrus humerosus)
Dwarf pebblesnail (Somatogyrus nanus)
Spiralix corsica
Thickshell pondsnail (Stagnicola utahensis)
Succinea rotumana
Tanousia zrmanjae
Brune's tryonia (Tryonia brunei)
Valvatorbis mauritii
Zaumia sanctizaumi
Zingis radiolata
Extinct in the wild species
Aylacostoma guaraniticum
Aylacostoma stigmaticum
Partula dentifera
Partula faba
Partula mirabilis
Partula mooreana
Partula nodosa
Partula rosea
Sutural partula (Partula suturalis)
Partula tohiveana
Partula tristis
Partula varia
Extinct subspecies
Achatinella bulimoides rosea
Partula suturalis suturalis
Partula taeniata taeniata
Placostylus bivaricosus etheridgei
Extinct in the wild subspecies
Partula suturalis vexillum
Partula taeniata elongata
Partula taeniata nucleola
Partula taeniata simulans
Extinct species
Carolina elktoe (Alasmidonta robusta)
Ochlockonee arcmussel (Alasmidonta wrightiana)
Chambardia letourneuxi
Arc-form pearly mussel (Epioblasma arcaeformis)
Angled riffleshell (Epioblasma biemarginata)
Arcuate pearly mussel (Epioblasma flexuosa)
Acorn pearly mussel (Epioblasma haysiana)
Narrow catspaw (Epioblasma lenior)
Forkshell (Epioblasma lewisii)
Fine-rayed pearly mussel (Epioblasma personata)
Nearby pearly mussel (Epioblasma propinqua)
Sampson's naiad (Epioblasma sampsonii)
Cumberland leafshell (Epioblasma stewardsonii)
Turgid riffle shell (Epioblasma turgidula)
Lined pocketbook (Lampsilis binominata)
Tombigbee moccasinshell (Medionidus mcglameriae)
Highnut (Pleurobema altum)
Hazel pigtoe (Pleurobema avellanum)
Scioto pigtoe (Pleurobema bournianum)
Yellow pigtoe (Pleurobema flavidulum)
Brown pigtoe (Pleurobema hagleri)
Alabama pigtoe (Pleurobema johannis)
Coosa pigtoe (Pleurobema murrayense)
Longnut (Pleurobema nucleopsis)
Ovate clubshell (Pleurobema perovatum)
Alabama clubshell (Pleurobema troschelianum)
True pigtoe (Pleurobema verum)
Unio cariei
Possibly extinct species
Dreissena caspia
Southern acorn riffle shell (Epioblasma othcaloogensis)
Lamprotula crassa
Lamprotula liedtkei
Lamprotula nodulosa
Haddleton lampmussel (Obovaria haddletoni)
Black clubshell (Pleurobema curtum)
Extinct subspecies
Epioblasma torulosa gubernaculum
Tubercled-blossom pearly mussel (Epioblasma torulosa torulosa)
Possibly extinct species
Possibly extinct species
Extinct species
Extinct species
Gardiner's giant mite (Dicrogonatus gardineri)
Hirstienus nanus
Metazalmoxis ferruginea
Peromona erinacea
Pleorotus braueri
Sitalcicus gardineri
Stipax triangulifer
Thomasettia seychellana
Possibly extinct species
Biantes parvulus
Euso muehlenbergi
Gamasomorpha austera
Holozoster ovalis
Ibalonius lomani
Idioctis intertidalis
Mitraceras crassipalpum
Moneta coercervea
Nesiergus gardineri
Nesiergus halophilus
Paccius quadridentatus
Seychellia lodoiceae
Sitalcicus incertus
Steriphopus lacertosus
Voraptus tenellus
Extinct species
Orthomorpha crinita
Spirobolellus praslinus
Possibly extinct species
Rhinotus albifrons
Spirobolellus simplex
Possibly extinct species
Extinct species
Includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others.
Extinct species
Macrobrachium leptodactylus
Sooty crayfish (Pacifastacus nigrescens )
Sandhills crayfish (Procambarus angustatus )
Rubious cave amphipod (Stygobromus lucifugus )
Pasadena freshwater shrimp (Syncaris pasadenae )
Possibly extinct species
Cambarellus areolatus
White spring cave crayfish (Cambarus veitchorum )
Caridina apodosis
Caridina yilong
Cryphiops luscus
Macrobrachium denticulatum
Macrobrachium oxyphilus
Macrobrachium purpureamanus
Macrobrachium scorteccii
Florida cave shrimp (Palaemonetes cummingi )
Perbrinckia gabadagei
Big-cheeked cave crayfish (Procambarus delicatus )
Procambarus paradoxus
Sinodina acutipoda
Strengeriana antioquensis
Tehuana veracruzana
Extinct in the wild species
Extinct species
Poko noctuid moth (Agrotis crinigera)
Midway noctuid moth (Agrotis fasciata)
Kerr's noctuid moth (Agrotis kerri)
Laysan noctuid moth (Agrotis laysanensis)
Agrotis photophila
Procellaris grotis noctuid moth (Agrotis procellaris)
Robert's stonefly (Alloperla roberti)
Chestnut ermine moth (Argyresthia castaneela)
Campsicnemus mirabilis
Clavicoccus erinaceus
Coleophora leucochrysella
Central Valley grasshopper (Conozoa hyalina)
Deloneura immaculata
Drosophila lanaiensis
Dryophthorus distinguendus
American chestnut moth (Ectodemia castaneae)
Phleophagan chestnut moth (Ectodemia phleophaga)
Genophantis leahi
Xerces blue (Glaucopsyche xerces)
Confused moth (Helicoverpa confusa)
Minute noctuid moth (Helicoverpa minuta)
Tobias' caddisfly (Hydropsyche tobiasi)
Mono Lake diving beetle (Hygrotus artus)
Laysan dropseed noctuid moth (Hypena laysanensis)
Hilo noctuid moth (Hypena newelli)
Lovegrass noctuid moth (Hypena plagiota)
Kaholuamano noctuid moth (Hypena senicula)
Saint Helena earwig (Labidura herculeana)
Lepidochrysops hypopolia
Levuana moth (Levuana iridescens)
Libythea cinyras
Margatteoidea amoena
Mecodema punctellum
Megadytes ducalis
Maui upland damselfly (Megalagrion jugorum)
Rocky Mountain locust (Melanoplus spretus)
Antioch dunes shieldback katydid (Neduba extincta)
Oeobia sp. nov.
Laysan weevil (Oodemas laysanensis)
Robust burrowing mayfly (Pentagenia robusta)
Phyllococcus oahuensis
Ridley's stick insect (Pseudobactricia ridleyi)
Rhantus novacaledoniae
Rhantus orbignyi
Rhantus papuanus
Castle Lake caddisfly (Rhyacophila amabilis)
Rhyncogonus bryani
Kona giant looper moth (Scotorythra megalophylla)
Ko'olau giant looper moth (Scotorythra nesiotes)
Perrin's cave beetle (Siettitia balsetensis)
Stonemyia velutina
Chestnut clearwing moth (Tischeria perplexa)
Athens caddisfly (Triaenodes phalacris)
Three-tooth caddisfly (Triaenodes tridonata)
Fort ross weevil (Trigonoscuta rossi)
Yorba linda weevil (Trigonoscuta yorbalindae)
Ola'a peppered looper moth (Tritocleis microphylla)
Possibly extinct species
Zanzibar giant forest grasshopper (Allaga ambigua)
Spined dwarf mantis (Ameles fasciipennis)
Andrena labiatula
Usambara splendid grasshopper (Anischnansis burtti)
Anisogomphus solitaris
Balta crassivenosa
Bombus rubriventris
Togo red jewel (Chlorocypha jejuna)
Morogoro monkey grasshopper (Chromomastax movogovodia)
Mpwapwa silent grasshopper (Chromousambilla burtti)
Maspalomas bow-legged grasshopper (Dericorys minutus)
Disparoneura ramajana
Drepanosticta adami
Drepanosticta austeni
Drepanosticta montana
Drepanosticta submontana
Enallagma maldivensis
Kilosa noble grasshopper (Eupropacris abbreviata)
Mlingano monkey grasshopper (Euschmidtia bidens)
Burtt's monkey grasshopper (Euschmidtia burtti)
Dirsh's monkey grasshopper (Euschmidtia dirshi)
Phipps' monkey grasshopper (Euschmidtia phippsi)
Dar-es-salaam monkey grasshopper (Euschmidtia viridifasciata)
Gran Canaria bush-cricket (Evergoderes cabrerai)
Heliogomphus lyratus
Heliogomphus nietneri
Heteragrion peregrinum
Holocompsa pusilla
Macromia flinti
Megachile cypricola
Molokai damselfly (Megalagrion molokaiense)
Metaleptobasis gibbosa
Nomada siciliensis
Elusive skimmer (Orthetrum rubens)
Palaemnema edmondi
Zulu ambush katydid (Peringueyella zulu)
Perissolestes remus
Pieris wollastoni
Seychelles shortwinged groundhopper (Procytettix fusiformis)
Three-lobed bush-cricket (Rhacocleis trilobata)
Sliferia similis
Theganopteryx grisea
Theganopteryx liturata
Theganopteryx scotti
Peringuey's seedpod shieldback (Thoracistus peringueyi)
Extinct in the wild species
See also [ edit ]
References [ edit ]
^ Blakemore (2019). "Extinction of Japan's first formally described earthworm Amynthas japonicus (Horst, 1883) (Annelida, Oligochaeta, Megadrilacea, Megascolecidae)" (PDF) . Bulletin of Kanagawa Museum . 48 . Retrieved 10 May 2019 .
^ Blakemore (2012). "On Schmarda's lost earthworm and some newly found New Zealand species (Oligochaeta: Megadrilacea: Lumbricidae, Acanthodrilidae, Octochaetidae, & Megascolecidae s. stricto) " . Journal of Species Research 1 2 ). JSR : 105–132. doi :10.12651/jsr.2012.1.2.105
^ Blakemore, R.J. (2017). "Tokea orthostichon " . IUCN Red List of Threatened Species 2017 : e.T103192401A103193535. doi :10.2305/IUCN.UK.2017-2.RLTS.T103192401A103193535.en . Retrieved 16 October 2022 .
^ Blakemore (2019). "Redescription of extinct New Zealand earthworm: Tokea orthostichon (Schmarda, 1861) " (PDF) . Bull. Kanagawa Prefectural Museum (N.H.) 42 . Retrieved 1 March 2019 .
^ Blakemore (2003). "Hypolimnus pedderensis . The IUCN Red List of Threatened Species 2003: e.T41254A10424837" . IUCN Red List of Threatened Species 2003 . Retrieved 27 May 2019 .
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