List of recently extinct molluscs
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 311 extinct species, 117 possibly extinct species, 13 extinct in the wild species, eight extinct subspecies, and five extinct in the wild subspecies of mollusc.[1][2]
- Extinct in the wild (EW): 13 species
- Critically endangered (CR): 581 species
- Endangered (EN): 507 species
- Vulnerable (VU): 879 species
- Near threatened (NT, LR/cd): 535 species
- Least concern (LC): 2,437 species
- Data deficient (DD): 1,988 species
Mollusc species (IUCN, 2020.1)
- 6941 extant species have been evaluated
- 4953 of those are fully assessed[lower-alpha 1]
- 2972 are not threatened at present[lower-alpha 2]
- 1967 to 3955 are threatened[lower-alpha 3]
- 324 to 441 are extinct or extinct in the wild:
- 311 extinct (EX) species[lower-alpha 4]
- 13 extinct in the wild (EW)
- 117 possibly extinct [CR(PE)]
- 0 possibly extinct in the wild [CR(PEW)]
- excludes data deficient evaluations.
- NT, LR/cd, LC.
- Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
- Chart omits extinct (EX) species
Gastropods
There are 281 extinct species, 109 possibly extinct species, 14 extinct in the wild species, five extinct subspecies, and five extinct in the wild subspecies of gastropod evaluated by the IUCN.
Stylommatophora
Includes the majority of land snails and slugs.
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
- Auriculella expansa
- Auriculella uniplicata
- 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
- Colparion madgei
- Ctenoglypta newtoni
- Mount Matafao different snail (Diastole matafaoi)
- Dupontia proletaria
- Erepta nevilli
- Gastrocopta chichijimana
- Gastrocopta ogasawarana
- Gibbus lyonetianus
- Gonidomus newtoni
- Gonospira nevilli
- Gulella mayottensis
- Harmogenanina linophora
- Harmogenanina subdetecta
- Helenoconcha leptalea
- Helenoconcha minutissima
- Helenoconcha polyodon
- Helenoconcha pseustes
- Helenoconcha sexdentata
- Helenodiscus bilamellata
- Helenodiscus vernoni
- Helicopsis paulhessei
- Hirasea planulata
- Lamellidea monodonta
- Lamellidea nakadai
- Leiostyla lamellosa
- Leucocharis loyaltiensis
- Leucocharis porphyrocheila
- Libera subcavernula
- Libera tumuloides
- Lyropupa perlonga
- Mautodontha acuticosta
- Mautodontha consimilis
- Mautodontha consobrina
- Mautodontha maupiensis
- Mautodontha parvidens
- Mautodontha punctiperforata
- Mautodontha saintjohni
- Mautodontha subtilis
- Mautodontha unilamellata
- Mautodontha zebrina
- Megalobulimus cardosoi
- Nancibella quintalia
- Nesopupa turtoni
- Newcombia philippiana
- Oleacina guadeloupensis
- 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 faba
- 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
- Placostylus cuniculinsulae
- Pleurodonte desidens
- Pseudocampylaea loweii
- Pseudohelenoconcha spurca
- Pupilla obliquicosta
- 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
- Taipidon anceyana
- Taipidon marquesana
- Taipidon octolamellata
- Thaumatodon multilamellata
- Tomigerus gibberulus
- Tomigerus turbinatus
- Tornelasmias capricorni
- Trochoidea picardi
- Vitrinula chaunax
- Vitrinula chichijimana
- Vitrinula hahajimana
Possibly extinct species
- Aaadonta angaurana
- Aaadonta kinlochi
- Aaadonta pelewana
- Bulimulus achatellinus
- Bulimulus adelphus
- Bulimulus deridderi
- Bulimulus duncanus
- Bulimulus eos
- Bulimulus lycodus
- Bulimulus saeronius
- Bulimulus sp. 'josevillani'
- Bulimulus sp. 'krameri'
- Bulimulus sp. 'nilsodhneri'
- Bulimulus sp. 'tuideroyi'
- Bulimulus sp. 'vanmoli'
- Bulimulus tanneri
- Coneuplecta turrita
- Conturbatia crenata
- Delos gardineri
- Discula lyelliana
- Discula tetrica
- Endodonta apiculata
- Eua globosa
- Geomitra delphinuloides
- Geomitra grabhami
- Hemicycla modesta
- Lauopa mbalavuana
- Leiostyla abbreviata
- Leiostyla cassida
- Leiostyla gibba
- Leiostyla simulator
- Monilearia pulverulenta
- Montserratina becasis
- Partula guamensis
- Partula leucothoe
- Partula milleri
- Placostylus koroensis
- Samoana cramptoni
- Succinea rotumana
- Zingis radiolata
Extinct in the wild species
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
Littorinimorpha
Extinct species
- Belgrandiella intermedia
- Bythinella gibbosa
- Bythinella limnopsis
- Bythinella mauritanica
- Bythinella microcochlia
- Bythinella punica
- Cahaba pebblesnail (Clappia cahabensis)
- Umbilicate pebblesnail (Clappia umbilicata)
- Fluvidona dulvertonensis
- Graecoanatolica macedonica
- Heleobia spinellii
- Hydrobia gracilis
- Islamia ateni
- Leiorhagium solemi
- Littoraria flammea
- Littoridina gaudichaudii
- Olive marstonia (Marstonia olivacea)
- Mercuria letourneuxiana
- Ohridohauffenia drimica
- Omphalotropis plicosa
- Posticobia norfolkensis
- Pseudamnicola barratei
- Pseudamnicola desertorum
- Pseudamnicola doumeti
- Pseudamnicola globulina
- Pseudamnicola latasteana
- Pseudamnicola oudrefica
- Pseudamnicola ragia
- Pseudamnicola singularis
- Corded purg (Pyrgulopsis nevadensis)
- Reverse pebblesnail (Somatogyrus alcoviensis)
- Ouachita pebblesnail (Somatogyrus amnicoloides)
- Thick-lipped pebblesnail (Somatogyrus crassilabris)
- Channeled pebblesnail (Somatogyrus wheeleri)
- Tropidophora desmazuresi
- Tropidophora semilineata
Possibly extinct species
- Alzoniella galaica
- Beddomeia tumida
- Belgrandia moitessieri
- Belgrandia varica
- Belgrandiella boetersi
- Belgrandiella cavernica
- Belgrandiella kreisslorum
- Belgrandiella multiformis
- Bythinella eutrepha
- Bythiospeum dubium
- Bythiospeum gonostoma
- Bythiospeum putei
- Bythiospeum turritum
- Dianella schlickumi
- Falsipyrgula beysehirana
- Gabbiella matadina
- Graecoanatolica brevis
- Graecoanatolica conica
- Henrigirardia wienini
- Hydrobia anatolica
- Iglica gratulabunda
- Islamia bendidis
- Islamia graeca
- Islamia hadei
- Islamia pseudorientalica
- Islamia zermanica
- Kirelia carinata
- Kubaryia pilikia
- Beaver pond marstonia (Marstonia castor)
- Ozark pyrg (Marstonia ozarkensis)
- Mercuria punica
- Ohridohauffenia minuta
- Omphalotropis ingens
- Paladilhiopsis janinensis
- Potamopyrgus acus
- Pseudogibbula cara
- 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
- Tanousia zrmanjae
- Brune's tryonia (Tryonia brunei)
- Valvatorbis mauritii
- Zaumia sanctizaumi
Sorbeoconcha
Extinct species
- Boulder snail (Athearnia crassa)
- 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)
- Excised slitshell (Gyrotoma excisa)
- Striate slitshell (Gyrotoma lewisii)
- Pagoda slitshell (Gyrotoma pagoda)
- Ribbed slitshell (Gyrotoma pumila)
- Pyramid slitshell (Gyrotoma pyramidata)
- Round slitshell (Gyrotoma walkeri)
- Agate rocksnail (Leptoxis clipeata)
- Oblong rocksnail (Leptoxis compacta)
- Interrupted rocksnail (Leptoxis foremanii)
- 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)
Possibly extinct species
- Mossy elimia (Elimia troostiana)
- Melanoides agglutinans
- Melanopsis germaini
- Melanopsis infracincta
- Melanopsis khabourensis
- Melanopsis pachya
Extinct in the wild species
Architaenioglossa
Extinct species
Possibly extinct species
- Diplommatina alata
- Diplommatina aurea
- Diplommatina gibboni
- Madgeaconcha sevathiani
- Margarya yangtsunghaiensis
- Opisthostoma decrespignyi
- Opisthostoma otostoma
- Palaina albata
- Palaina patula
- Palaina platycheilus
- Palaina pupa
- Plectostoma charasense
- Plectostoma dindingensis
- Plectostoma turriforme
Hygrophila species
Extinct species
- Shoal sprite (Amphigyra alabamensis)
- Carinate flat-top snail (Neoplanorbis carinatus)
- Angled flat-top snail (Neoplanorbis smithi)
- Little flat-top snail (Neoplanorbis tantillus)
- Umbilicate flat-top snail (Neoplanorbis umbilicatus)
- Fish Lake physa (Physella microstriata)
- Acorn ramshorn (Planorbella multivolvis)
- Fish springs marshsnail (Stagnicola pilsbryi)
Possibly extinct species
- Thickshell pondsnail (Stagnicola utahensis)
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)
gollark: Some offense, but this honestly seems like a bad mobile game where you have to constantly log in to collect resources and stuff, but you also have to manually handle the rules too.
gollark: Honestly this is kind of boring.
gollark: > Auto-anvil> Entirely manually operated
gollark: Okay, I have DEFINITELY not got any timer issues now because it has been eight hours or so since I was on.
gollark: Yes, they are. Unfortunately, I was temporarily using Lua, which uses 1-based indexing.
See also
References
- "IUCN Red List version 2016-2". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.
- "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2016-2)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.
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