List of recently extinct invertebrates

Short description: none

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]

## Contents

* 1 Flatworms
* 2 Nemertea species
* 3 Annelids
* 4 Molluscs
* 4.1 Gastropods
* 4.2 Bivalvia
* 5 Cnidaria
* 6 Arthropods
* 6.1 Centipedes
* 6.2 Seed shrimps
* 6.3 Arachnids
* 6.4 Millipedes
* 6.5 Entognatha
* 6.6 Maxillopoda
* 6.7 Malacostracans
* 6.8 Insects
* 7 See also
* 8 References

## Flatworms

Extinct species

* Lake Pedder planarian (Romankenkius pedderensis)

## Nemertea species

Extinct species

* Geonemertes rodericana

Possibly extinct species

* Prosadenoporus agricola

## Annelids

Extinct species

* Japan's earthworm (Amynthas japonicus)[3]
* Schmarda's earthworm (Tokea orthostichon)[4][5][6]

* Lake Pedder earthworm (Hypolimnus pedderensis)[7]

## Molluscs

Main article: Biology:List of recently extinct molluscs

### Gastropods

Extinct species

* Achatinella abbreviata
* 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 loyaltiensis
* 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 angaurana
* 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 chloroticum
* 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 apexfulva vittata
* Achatinella bulimoides rosea
* Partula suturalis suturalis
* Partula taeniata taeniata
* Placostylus bivaricosus etheridgei

Extinct in the wild subspecies

* Partula suturalis strigosa
* Partula suturalis vexillum
* Partula taeniata elongata
* Partula taeniata nucleola
* Partula taeniata simulans

### Bivalvia

Extinct species

* Coosa elktoe (Alasmidonta mccordi)
* 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

* Cuneopsis demangei
* Dreissena caspia
* Southern acorn riffle shell (Epioblasma othcaloogensis)
* Lamprotula crassa
* Lamprotula liedtkei
* Lamprotula nodulosa
* Haddleton lampmussel (Obovaria haddletoni)
* Black clubshell (Pleurobema curtum)

Extinct subspecies

* Yellow-blossom (Epioblasma florentina florentina)
* Epioblasma torulosa gubernaculum
* Tubercled-blossom pearly mussel (Epioblasma torulosa torulosa)

## Cnidaria

Possibly extinct species

* Millepora boschmai
* Wellington's solitary coral (Rhizopsammia wellingtoni)

## Arthropods

Main article: Biology:List of recently extinct arthropods

### Centipedes

Possibly extinct species

* Mecistocephalus cyclops
* Mecistocephalus sechellarum

### Seed shrimps

Extinct species

* Liocypris grandis
* Namibcypris costata

### Arachnids

Extinct species

* Centrobunus braueri
* Gardiner's giant mite (Dicrogonatus gardineri)
* Hirstienus nanus
* Metazalmoxis ferruginea
* Peromona erinacea
* Pleorotus braueri
* Sitalcicus gardineri
* Stipax triangulifer
* Thomasettia seychellana

Possibly extinct species

* Afrogarypus seychellesensis
* 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

### Millipedes

Extinct species

* Eucarlia alluaudi
* Orthomorpha crinita
* Spirobolellus praslinus

Possibly extinct species

* Diglossosternoides curiosus
* Rhinotus albifrons
* Spirobolellus simplex

### Entognatha

Possibly extinct species

* Ceratophysella sp. nov. 'HC'
* Delamarephorura tami

### Maxillopoda

Extinct species

* Afrocyclops pauliani
* Tropodiaptomus ctenopus

### Malacostracans

Includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others.

Extinct species

* Cambarellus alvarezi
* Macrobrachium leptodactylus
* Sooty crayfish (Pacifastacus nigrescens)
* Sandhills crayfish (Procambarus angustatus)
* Rubious cave amphipod (Stygobromus lucifugus)
* Pasadena freshwater shrimp (Syncaris pasadenae)

Possibly extinct species

* Atya brachyrhinus
* 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

* Socorro isopod (Thermosphaeroma thermophilum)

### Insects

Main article: Biology:List of recently extinct insects

Extinct species

* Pecatonica river mayfly (Acanthametropus pecatonica)
* 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)
* Volutine stoneyian tabanid fly (Stonemyia volutina)
* 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

* Morogoro pretty grasshopper (Acanthothericles bicoloripes)
* 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

* Oahu deceptor bush cricket (Leptogryllus deceptor)

## See also

* List of least concern invertebrates
* List of near threatened invertebrates
* List of vulnerable invertebrates
* List of endangered invertebrates
* List of critically endangered invertebrates
* List of data deficient invertebrates

## References

1. ↑ "IUCN Red List version 2016.1". International Union for Conservation of Nature and Natural Resources (IUCN). http://www.iucnredlist.org/.
2. ↑ "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2016-1)". Union for Conservation of Nature and Natural Resources (IUCN). http://www.iucnredlist.org/about/summary-statistics.
3. ↑ Blakemore (2019). "Extinction of Japan's first formally described earthworm Amynthas japonicus (Horst, 1883) (Annelida, Oligochaeta, Megadrilacea, Megascolecidae).". Bulletin of Kanagawa Museum 48: 55–60. http://nh.kanagawa-museum.jp/files/data/pdf/bulletin/48/bull48_55_60_blakemore.pdf. Retrieved 10 May 2019.
4. ↑ 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 (JSR) 1 (2): 105–132. doi:10.12651/jsr.2012.1.2.105.
5. ↑ 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. https://www.iucnredlist.org/species/103192401/103193535. Retrieved 16 October 2022.
6. ↑ Blakemore (2019). "Redescription of extinct New Zealand earthworm: Tokea orthostichon (Schmarda, 1861)". Bull. Kanagawa Prefectural Museum (N.H.) 42: 61–68. http://nh.kanagawa-museum.jp/files/data/pdf/bulletin/48/bull48_61_68_blakemore.pdf. Retrieved 1 March 2019.
7. ↑ Blakemore (2003). "Hypolimnus pedderensis. The IUCN Red List of Threatened Species 2003: e.T41254A10424837". IUCN Red List of Threatened Species 2003. https://www.iucnredlist.org/species/41254/10424837. Retrieved 27 May 2019.

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