Globally Extinct: Molluscs

Tubercled-blossom Pearly MusselThe IUCN Red List of Threatened Species (Version 2011.1) shows that at least 1584 of the about 85,000 living mollusc species on Earth are known to be threatened with extinction (IUCN 2011). According to the IUCN at least 32 bivalve species, 3 bivalve subspecies, 281 gastropod species and 5 gastropod subspecies have become extinct since the year 1500 (IUCN 2011). This website sadly lists even more molluscs extinctions.

Photo: a shell of the Tubercled-blossom Pearly Mussel (Epioblasma torulosa torulosa). The shell is photographed by the U.S. Fish and Wildlife Service. This image is created by Peter Maas for The Sixth Extinction Website and has been released under the Creative Commons Attribution Non-commercial No Derivatives 3.0 licence.

Do you know any species or subspecies that should be added to this list or has been rediscovered? If so, please contact this website.

 

Bivalves (Bivalvia)

The subjoined table shows the bivalve species and subspecies that recently became globally extinct.

Species (32)
Scientific Name Common Name TSEW Status IUCN Status
Alasmidonta mccordi Coosa Elktoe EX EX
Alasmidonta robusta Carolina Elktoe EX EX
Alasmidonta wrightiana Ochlockonee Arcmussel EX EX
Chambardia letourneuxi Unknown EX EX
Elliptio nigella Recovery Pearly Mussel EX EX
Epioblasma arcaeformis Arc-form Pearly Mussel EX EX
Epioblasma biemarginata Angled Riffleshell EX EX
Epioblasma flexuosa Arcuate Pearly Mussel EX EX
Epioblasma haysiana Acorn Pearly Mussel EX EX
Epioblasma lenior Stone's Pearly Mussel EX EX
Epioblasma lewisii Lewis Pearly Mussel EX EX
Epioblasma personata Fine-rayed Pearly Mussel EX EX
Epioblasma propingua Nearby Pearly Mussel EX EX
Epioblasma sampsonii Sampson's Pearly Mussel EX EX
Epioblasma stewardsonii Steward's Pearly Mussel EX EX
Epioblasma turgidula Turgid-blossom Pearly Mussel EX EX
Lampsilis binominata Lined Pocketbook EX EX
Medionodus mcglameriae Tombigbee Moccasinshell EX EX
Pleurobema altum Highnut EX EX
Pleurobema avellanum Hazel Pigtoe EX EX
Pleurobema bournianum Scioto Pigtoe EX EX
Pleurobema flavidulum Yellow Pigtoe EX EX
Pleurobema hagleri Brown Pigtoe EX EX
Pleurobema hanleyianum Georgia Pigtoe EX EX
Pleurobema johannis Alabama Pigtoe EX EX
Pleurobema murrayense Coosa Pigtoe EX EX
Pleurobema nucleopsis Longnut EX EX
Pleurobema rubellum Warrior Pigtoe EX EX
Pleurobema taitianum Heavy Pigtoe EX EX
Pleurobema troschelianum Alabama Clubshell EX EX
Pleurobema verum True Pigtoe EX EX
Unio cariei Réunion Freshwater Mussel EX EX
Subspecies (3)
Scientific Name Common Name TSEW Status IUCN Status
Epioblasma florentina florentina Yellow-blossom Pearly Mussel EX EX
Epioblasma torulosa gubernaculum Green-blossom Pearly Mussel EX EX
Epioblasma torulosa torulosa Tubercled-blossom Pearly Mussel EX EX

 

Snails and Slugs (Gastropoda)

The subjoined table shows the gastropod species and subspecies that recently became globally extinct. In 2011, the Wicker Anclid (Rhodacme filosa) has recently been in Choccolocco Creek, a Coosa River tributary (Ó Foighill et al. 2011) in Alabama, United States. Other recent rediscovered species are the Cahaba Pebblesnail (Clappia cahabensis), the Nodulose Coosa River Snail (Elimia lachryma), and the Cobble Elimia (Elimia vanuxemiana). The IUCN Red Lists of Threatened Species (Version 2011.1) still lists these species as extinct (Bogan 2000; IUCN 2011).

Species (292)
Scientific Name Common Name TSEW Status IUCN Status
Achatinella abbreviata   Unknown EX EX
Achatinella buddii   Unknown EX EX
Achatinella caesia   Unknown EX EX
Achatinella casta   Unknown EX EX
Achatinella decora Unknown EX EX
Achatinella dimorpha   Unknown EX EX
Achatinella elegans   Unknown EX EX
Achatinella juddii   Unknown EX EX
Achatinella juncea   Unknown EX EX
Achatinella lehuiensis   Unknown EX EX
Achatinella livida   Unknown EX EX
Achatinella papyracea   Unknown EX EX
Achatinella spaldingi   Unknown EX EX
Achatinella thaanumi   Unknown EX EX
Achatinella valida   Unknown EX EX
Advena campbelli   Unknown EX EX
Amastra albolabris   Unknown EX EX
Amastra cornea   Unknown EX EX
Amastra crassilabrum   Unknown EX EX
Amastra elongata Unknown EX EX
Amastra forbesi   Unknown EX EX
Amastra pellucida   Unknown EX EX
Amastra porcus   Unknown EX EX
Amastra reticulata Unknown EX EX
Amastra subrostrata Unknown EX EX
Amastra subsoror   Unknown EX EX
Amastra tenuispira   Unknown EX EX
Amastra umbilicata Unknown EX EX
Amphicyclotulus guadeloupensis Unknown EX EX
Amphigyra alabamensis Shoal Sprite  EX EX
Athearnia crassa Boulder Snail EX EX
Auriculella expansa Unknown EX EX
Auriculella uniplicata Unknown EX EX
Beddomeia tumida   Unknown EX EX
Belgrandiella intermedia   Unknown EX EX
Bythinella gibbosa Unknown EX EX
Bythinella limnopsis Unknown EX EX
Bythinella mauritanica Unknown EX EX
Bythinella microcochlia Unknown EX EX
Bythinella punica Unknown EX EX
Caldwellia philyrina   Unknown EX EX
Campolaemus perexilis   Unknown EX EX
Carelia anceophila   Unknown EX EX
Carelia bicolor   Unknown EX EX
Carelia cochlea   Unknown EX EX
Carelia cumingiana   Unknown EX EX
Carelia dolei   Unknown EX EX
Carelia evelynae   Unknown EX EX
Carelia glossema   Unknown EX EX
Carelia hyattiana   Unknown EX EX
Carelia kalalauensis   Unknown EX EX
Carelia knudseni Unknown EX EX
Carelia lirata   Unknown EX EX
Carelia lymani   Unknown EX EX
Carelia mirabilis   Unknown EX EX
Carelia necra Unknown EX EX
Carelia olivacea Unknown EX EX
Carelia paradoxa Unknown EX EX
Carelia periscelis Unknown EX EX
Carelia pilsbryi   Unknown EX EX
Carelia sinclairi   Unknown EX EX
Carelia tenebrosa   Unknown EX EX
Carelia turricula   Unknown EX EX
Chilonopsis blofeldi   Unknown EX EX
Chilonopsis exulatus   Unknown EX EX
Chilonopsis helena Unknown EX EX
Chilonopsis melanoides   Unknown EX EX
Chilonopsis nonpareil   Unknown EX EX
Chilonopsis subplicatus   Unknown EX EX
Chilonopsis subtruncatus   Unknown EX EX
Chilonopsis turtoni   Unknown EX EX
Clappia umbilicata Umbilicate Pebblesnail   EX EX
Collisella edmitchelli   Unknown EX EX
Colparion madgei   Unknown EX EX
Ctenoglypta newtoni   Unknown EX EX
Cyclophorus horridulum   Unknown EX EX
Cyclophorus mariei   Unknown EX EX
Diastole matafaoi Mount Matafao Different Snail   EX EX
Discula lyelliana Unknown EX CR
Discula tetrica Unknown EX CR
Discus engonatus Unknown EX DD
Discus retextus Unknown EX NE
Discus textilis Unknown EX NE
Dupontia proletaria   Unknown EX EX
Elimia brevis  Short-spired Elimia   EX EX
Elimia clausa Closed Elimia   EX EX
Elimia fusiformis Fusiform Elimia   EX EX
Elimia gibbera Unknown EX EX
Elimia hartmaniana High-spired Elimia   EX EX
Elimia impressa Constricted Elimia   EX EX
Elimia jonesi Hearty Elimia   EX EX
Elimia laeta Ribbed Elimia   EX EX
Elimia macglameriana   Unknown EX EX
Elimia pilsbryi Rough-lined Elimia EX EX
Elimia pupaeformis Pupa Elimia   EX EX
Elimia pygmaea Pygmy Elimia   EX EX
Elimia varians Puzzle Elimia EX EX
Erepta nevilli   Unknown EX EX
Fluvidona dulvertonensis Unknown EX EX
Gastrocopta chichijimana   Unknown EX EX
Gastrocopta ogasawarana   Unknown EX EX
Geomitra delphinuloides Unknown EX CR
Geomitra grabhami Unknown EX NE
Gibbus lyonetianus   Unknown EX EX
Gonidomus newtoni   Unknown EX EX
Gonospira nevilli   Unknown EX EX
Graecoanatolica macedonica Unknown (from Greece and Macedonia) EX EX
Gulella mayottensis   Unknown EX EX
Gyralina hausdorfi Unknown EX NE
Gyrotoma excisa Excised Slitshell   EX EX
Gyrotoma lewisii Striate Slitshell   EX EX
Gyrotoma pagoda Pagoda Slitshell   EX EX
Gyrotoma pumila Ribbed Slitshell   EX EX
Gyrotoma pyramidata Pyramid Slitshell   EX EX
Gyrotoma walkeri Round Slitshell   EX EX
Harmogenanina linophora   Unknown EX EX
Harmogenanina subdetecta   Unknown EX EX
Helenoconcha leptalea   Unknown EX EX
Helenoconcha minutissima   Unknown EX EX
Helenoconcha polyodon   Unknown EX EX
Helenoconcha pseustes   Unknown EX EX
Helenoconcha sexdentata   Unknown EX EX
Helenodiscus bilamellata   Unknown EX EX
Helenodiscus vernoni   Unknown EX EX
Heleobia spinellii Unknown EX EX
Helicopsis paulhessei Unknown EX EX
Hirasea planulata   Unknown EX EX
Hydrobia gracilis Unknown EX EX
Incerticyclus cinereus   Unknown EX EX
Incerticyclus martinicensis   Unknown EX EX
Islamia ateni Unknown EX EX
Janulus pompylius Unknown EX NE
Keraea garachicoensis Unknown EX NE
Lamellidea monodonta   Unknown EX EX
Lamellidea nakadai Unknown EX EX
Leiostyla abbreviata Unknown EX CR
Leiostyla gibba Unknown EX CR
Leiostyla lamellosa Madeiran Landsnail   EX EX
Leptoxis clipeata Agate Rocksnail   EX EX
Leptoxis compacta Oblong Rocksnail   EX EX
Leptoxis foremanii Interrupted Rocksnail   EX EX
Leptoxis formosa Maiden Rocksnail   EX EX
Leptoxis ligata Rotund Rocksnail   EX EX
Leptoxis lirata Lyrate Rocksnail   EX EX
Leptoxis occultata Bigmouth Rocksnail   EX EX
Leptoxis showalterii Coosa Rocksnail   EX EX
Leptoxis torrefacta   Unknown EX EX
Leptoxis vittata Striped Rocksnail   EX EX
Leucocharis loyaltiensis   Unknown EX EX
Leucocharis porphyrochiela   Unknown EX EX
Libera subcavernula   Unknown EX EX
Libera tumuloides   Unknown EX EX
Littoraria flammea   Unknown EX EX
Littoridina gaudichaudii   Unknown EX EX
Lottia alveus Eelgrass Limpet   EX EX
Lyropupa perlonga   Unknown EX EX
Marstonia olivacea Olive Marstonia EX EX
Mautodontha acuticosta   Unknown EX EX
Mautodontha consimilis   Unknown EX EX
Mautodontha consobrina Unknown EX EX
Mautodontha maupiensis Unknown EX EX
Mautodontha parvidens Unknown EX EX
Mautodontha punctiperforata Unknown EX EX
Mautodontha saintjohni Unknown EX EX
Mautodontha subtilis Unknown EX EX
Mautodontha unilamellata Unknown EX EX
Mautodontha zebrina Unknown EX EX
Megalobulimus cardosoi Unknown EX EX
Mercuria leourneuxiana Unknown EX EX
Nancibella quintalia Unknown EX EX
Neoplanorbis carinatus Unknown EX EX
Neoplanorbis smithi Unknown EX EX
Neoplanorbis umbilicatus Unknown EX EX
Nesopupa turtoni Unknown EX EX
Newcombia philippiana Unknown EX EX
Ohridohauffenia drimica Unknown EX EX
Oleacina guadeloupensis   Unknown EX EX
Omphalotropis plicosa Unknown EX EX
Pachnodus curiosus Curieuse Island Snail EX EX
Pachnodus ladiguensis La Digue Island Snail EX EX
Pachnodus velutinus Mahé Island Snail EX EX
Pachystyla rufozonata   Unknown EX EX
Panulena perrugosa   Unknown EX EX
Parmacella gervaisii Unknown EX NE
Partula approximata   Unknown EX EX
Partula arguta Acute Huahine Tree-Snail EX EX
Partula atilis Unknown EX EX
Partula aurantia Moorean Viviparous Tree Snail   EX EX
Partula auriculata Unknown EX EX
Partula bilineata Unknown EX EX
Partula callifera Unknown EX EX
Partula candida Unknown EX EX
Partula castanea Unknown EX EX
Partula cedista Unknown EX EX
Partula citrina Unknown EX EX
Partula compacta Unknown EX EX
Partula crassilabris Unknown EX EX
Partula cuneata Unknown EX EX
Partula cytherea Unknown EX EX
Partula dolichostoma Unknown EX EX
Partula dolorosa Unknown EX EX
Partula eremita   Unknown EX EX
Partula exigua Moorean Viviparous Tree Snail   EX EX
Partula filosa Pirae Valley Tree Snail EX EX
Partula formosa   Unknown EX EX
Partula fusca   Unknown EX EX
Partula garretti Garrett's Raiatea Tree Snail EX EX
Partula imperforata   Unknown EX EX
Partula labrusca Vine Raiatea Tree Snail EX EX
Partula leptochila   Unknown EX EX
Partula levilineata   Unknown EX EX
Partula levistriata   Unknown EX EX
Partula lugubris Unknown EX EX
Partula lutea   Unknown EX EX
Partula microstoma   Unknown EX EX
Partula navigatoria Unknown EX EX
Partula ovalis Unknown EX EX
Partula planilabrum   Unknown EX EX
Partula producta   Unknown EX EX
Partula protea   Unknown EX EX
Partula protracta   Unknown EX EX
Partula radiata Unknown EX EX
Partula raiatensis   Unknown EX EX
Partula remota   Unknown EX EX
Partula robusta Unknown EX EX
Partula rustica   Unknown EX EX
Partula sagitta   Unknown EX EX
Partula salifana Mount Alifana Partula   EX EX
Partula salifera   Unknown EX EX
Partula thalia   Unknown EX EX
Partula turgida   Moorea Tree-Snail EX EX
Partula umbilicata   Unknown EX EX
Partula variabilis   Unknown EX EX
Partula vittata   Unknown EX EX
Partulina crassa   Unknown EX EX
Partulina montagui   Unknown EX EX
Perdicella fulgurans   Unknown EX EX
Perdicella maniensis   Unknown EX EX
Perdicella zebra   Unknown EX EX
Perdicella zebrina   Unknown EX EX
Physella microstriata Fish Lake Physa   EX EX
Placostylus cuniculinsulae   Unknown EX EX
Planorbella multivolvis Acorn Ramshorn   EX EX
Pleurodonte desidens   Unknown EX EX
Posticobia norfolkensis   Unknown EX EX
Pseudamnicola barratei Unknown EX EX
Pseudamnicola desertorum Unknown EX EX
Pseudamnicola doumeti Unknown EX EX
Pseudamnicola globulina Unknown EX EX
Pseudamnicola latasteana Unknown EX EX
Pseudamnicola oudrefica Unknown EX EX
Pseudamnicola ragia Unknown EX EX
Pseudamnicola singularis Unknown EX EX
Pseudocampylaea loweii   Unknown (from Madeira, Portugal) EX EX
Pseudohelenoconcha spurca   Unknown EX EX
Pupilla obliquicosta   Unknown EX EX
Pyrgulopsis nevadensis Corded Purg   EX EX
Quintalia flosculus   Unknown EX EX
Quintalia stoddartii   Unknown EX EX
Rhachis comorensis   Unknown EX EX
Rhachis sanguineus   Unknown EX EX
Rhachistia aldabrae Aldabra Banded Snail EX EX
Samoana inflata Unknown EX EX
Samoana jackieburchi   Unknown EX EX
Sinployea canalis   Unknown EX EX
Sinployea decorticata   Unknown EX EX
Sinployea harveyensis Unknown EX EX
Sinployea otareae   Unknown EX EX
Sinployea planospira   Unknown EX EX
Sinployea proxima   Unknown EX EX
Sinployea rudis   Unknown EX EX
Sinployea tenuicostata   Unknown EX EX
Sinployea youngi   Unknown EX EX
Somatogyrus alcoviensis Reverse Pebblesnail   EX EX
Somatogyrus amnicoloides Oachita Pebblesnail   EX EX
Somatogyrus crassilabris Thick-lipped Pebblesnail   EX EX
Somatogyrus wheeleri Channeled Pebblesnail   EX EX
Taipidon anceyana   Unknown EX EX
Taipidon marquesana Unknown EX EX
Taipidon octolamellata   Unknown EX EX
Thaumatodon multilamellata   Unknown EX EX
Tomigerus gibberulus   Unknown EX EX
Tomigerus turbinatus   Unknown EX EX
Tornelasmias capricorni   Unknown EX EX
Trochoidea picardi Unknown EX EX
Tropidophora desmazuresi   Unknown EX EX
Tropidophora semilineata   Unknown EX EX
Vitrinula chaunax   Unknown EX EX
Vitrinula chichijimana   Unknown EX EX
Vitrinula hahajimana Unknown EX EX
Zonites santoriniensis Unknown EX NE
Zonites siphnicus  Unknown EX NE
Subspecies (8)
Scientific Name Common Name TSEW Status IUCN Status
Achatinella apexfulva vittata Unknown EX EX
Achatinella bulimoides rosea   Unknown EX EX
Caseolus calvus galeatus Unknown EX NE
Leptaxis simia hyaena Unknown EX NE
Partula suturalis suturalis Sutural Partula EX EX
Partula taeniata taeniata Moorean Viviparious Tree Snail   EX EX
Placostylus bivaricosus etheridgei Unknown EX EX
Zonites embolium elevatus Unknown EX NE

 

References

Bank, R.A. (2010) Fauna Europaea: Bythinella austriaca. In Karsholt, O. & Nieukerken, E.J. van (eds.) (2010) Fauna Europaea: Lepidoptera, Moths. Fauna Europaea version 2.2, http://www.faunaeur.org.

Bogan, A.E. (2000). Rhodacme filosa. In: IUCN (2010). IUCN Red List of Threatened Species. Version 2010.4. <www.iucnredlist.org>. Downloaded on 02 June 2011.

Falkner, G., Ripken, T.E.J., Falkner, M., (2002). Mollusques continentaux de France Liste de Référence annotée et Bibliographie. Patrimoines Naturels, 52, Museum d’Histoire Naturelle, Paris. 350pp.

Fontaine, B. et al., (2007) The European union’s 2010 target: Putting rare species in focus. Biological Conservation 139: 167–185. doi:10.1016/j.biocon.2007.06.012.

IUCN (2011). IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>. Downloaded on 25 June 2011.

Ó Foighil D, Li J, Lee T, Johnson P, Evans R, et al. (2011). Conservation Genetics of a Critically Endangered Limpet Genus and Rediscovery of an Extinct Species. PLoS ONE 6(5): e20496. doi:10.1371/journal.pone.0020496. Available online: http://www.plosone.org/article/info:doi/10.1371/journal.pone.0020496.

 

Citation: Maas, P.H.J. (2011). Globally Extinct: Molluscs. In: TSEW (). The Sixth Extinction Website. <http://www.petermaas.nl/extinct>. Downloaded on .
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Updated: 25 June 2011

 

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