List of least concern molluscs

Summary

In September 2016, the International Union for Conservation of Nature (IUCN) listed 2437 least concern mollusc species.[1] Of all evaluated mollusc species, 34% are listed as least concern. The IUCN also lists five mollusc subspecies as least concern.

14 extinct in the wild mollusc species (0.20%)581 critically endangered mollusc species (8.4%)507 endangered mollusc species (7.3%)879 vulnerable mollusc species (13%)535 near threatened mollusc species (7.7%)2437 least concern mollusc species (35%)1988 data deficient mollusc species (29%)
Mollusc species (IUCN, 2020.1)
  • 6941 extant species have been evaluated
  • 4953 of those are fully assessed[a]
  • 2972 are not threatened at present[b]
  • 1967 to 3955 are threatened[c]
  • 324 to 441 are extinct or extinct in the wild:
    • 311 extinct (EX) species[d]
    • 13 extinct in the wild (EW)
    • 117 possibly extinct [CR(PE)]
    • 0 possibly extinct in the wild [CR(PEW)]

  1. ^ excludes data deficient evaluations.
  2. ^ NT, LR/cd, LC.
  3. ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. ^ Chart omits extinct (EX) species

No subpopulations of molluscs have been evaluated by the IUCN.

This is a complete list of least concern mollusc species and subspecies evaluated by the IUCN.

Gastropods edit

There are 1944 species and three subspecies of gastropod assessed as least concern.

Stylommatophora edit

Stylommatophora includes the majority of land snails and slugs. There are 599 species and one subspecies in the order Stylommatophora assessed as least concern.

Charopids edit

Streptaxids edit

Lauriids edit

Vertiginids edit

Cochlicellids edit

  • Monilearia caementitia
  • Monilearia loweana
  • Monilearia monilifera
  • Monilearia oleacea
  • Monilearia persimilis
  • Monilearia umbicula
  • Monilearia woodwardia
  • Obelus mirandae
  • Obelus moderatus

Trissexodontids edit

Helicids edit

Species

Subspecies

  • Hemicycla glyceia glyceia

Hygromiids edit

Vitrinids edit

  • Eucobresia diaphana
  • Oligolimax cephalonica
  • Plutonia atlantica
  • Plutonia behnii
  • Plutonia blauneri
  • Plutonia brevispira
  • Plutonia brumalis
  • Plutonia eceroensis
  • Plutonia finitima
  • Plutonia gomerensis
  • Plutonia lamarckii
  • Plutonia laxata
  • Plutonia marcida
  • Plutonia media
  • Plutonia nitida
  • Plutonia nogalesi
  • Plutonia oromii
  • Plutonia pelagica
  • Plutonia ripkeni
  • Plutonia ruivensis
  • Plutonia solemi
  • Plutonia taburientensis
  • Plutonia tamaranensis
  • Semilimacella bonellii
  • Semilimacella carniolica
  • Semilimax carinthiacus
  • Semilimax kotulae
  • Semilimax pyrenaicus
  • Semilimax semilimax

Chondrinids edit

Enids edit

  • Brephulopsis bidens
  • Brephulopsis cylindrica
  • Brephulopsis subulata
  • Buliminus carneus
  • Chondrula beieri
  • Chondrula macedonica
  • Chondrula microtragus
  • Chondrula peloponnesica
  • Chondrula pindica
  • Chondrula quinquedentata
  • Chondrula tricuspidata
  • Chondrula werneri
  • Chondrus tournefortianus
  • Chondrus zebra
  • Ena concolor
  • Ena montana
  • Ena monticola
  • Ena subtilis
  • Eubrephulus bicallosa
  • Euchondrus ledereri
  • Euchondrus nucifragus
  • Euchondrus parreyssi
  • Jaminia loewii
  • Jaminia quadridens
  • Jaminia thiesseanus
  • Mastus abundans
  • Mastus alpicolus
  • Mastus athensis
  • Mastus bielzi
  • Mastus butoti
  • Mastus carneolus
  • Mastus cretensis
  • Mastus dirphicus
  • Mastus etuberculatus
  • Mastus gittenbergeri
  • Mastus giuricus
  • Mastus grandis
  • Mastus hemmeni
  • Mastus ierapetrana
  • Mastus itanosensis
  • Mastus olivaceus
  • Mastus procax
  • Mastus pusio
  • Mastus riedeli
  • Mastus rossmaessleri
  • Mastus sitiensis
  • Mastus sphakiota
  • Mastus subaii
  • Mastus transsylvanicus
  • Mastus turgidus
  • Mastus venerabilis
  • Mastus violacea
  • Meijeriella canaliculata
  • Lesser bulin (Merdigera obscura)
  • Multidentula lamellifera
  • Multidentula ovularis
  • Multidentula squalina
  • Multidentula stylus
  • Napaeopsis cefalonica
  • Napaeopsis mennoi
  • Napaeopsis merditanus
  • Napaeopsis minima
  • Napaeopsis ossica
  • Napaeus alabastrinus
  • Napaeus atlanticus
  • Napaeus badiosus
  • Napaeus baeticatus
  • Napaeus bajamarensis
  • Napaeus barquini
  • Napaeus bechi
  • Napaeus bertheloti
  • Napaeus delibutus
  • Napaeus encaustus
  • Napaeus hartungi
  • Napaeus helvolus
  • Napaeus moquinianus
  • Napaeus obesatus
  • Napaeus pruninus
  • Napaeus pygmaeus
  • Napaeus rufobrunneus
  • Napaeus tabidus
  • Napaeus tenoensis
  • Napaeus tremulans
  • Napaeus variatus
  • Napaeus vulgaris
  • Paramastus cyprius
  • Pseudochondrula seductilis
  • Rhabdoena cosensis
  • Thoanteus ferrarii
  • Thoanteus gibber
  • Turanena hemmeni
  • Zebrina fasciolata
  • Zebrina kindermanni
  • Zebrina varnensis

Argnids edit

  • Agardhiella armata
  • Agardhiella biarmata
  • Agardhiella caesa
  • Agardhiella domokosi
  • Agardhiella formosa
  • Agardhiella incerta
  • Agardhiella lamellata
  • Agardhiella macrodonta
  • Agardhiella parreyssii
  • Agardhiella skipetarica
  • Agardhiella stenostoma
  • Agardhiella truncatella
  • Agardhiella zoltanorum
  • Argna bielzi
  • Argna biplicata
  • Argna ferrari
  • Argna thracica

Helicodontids edit

Orculids edit

Other Stylommatophora species edit

Littorinimorpha edit

There are 311 species and one subspecies in the order Littorinimorpha assessed as least concern.

Hydrobiids edit

Cochliopids edit

  • Heleobia cuzcoensis
  • Heleobia davisi
  • Lagoon spire snail (Heleobia stagnorum)
  • Smooth-ribbed hydrobe (Tryonia aequicostata)
  • Tryonia porrecta
  • Cottonball marsh tryonia (Tryonia salina)

Bithyniids edit

Species

Subspecies

  • Gabbiella humerosa humerosa

Moitessieriids edit

Assimineids edit

Pomatiopsids edit

  • Coxiella exposita
  • Coxiella glabra
  • Coxiella striatula
  • Halewisia expansa
  • Hubendickia crooki
  • Hubendickia sulcata
  • Hydrorissoia gracilis
  • Hydrorissoia hospitalis
  • Hydrorissoia paviei
  • Hydrorissoia trispirales
  • Jullienia harmandi
  • Jullienia rolfbrandti
  • Karelainia davisi
  • Lacunopsis cainiewa
  • Lacunopsis concava
  • Lacunopsis conica
  • Lacunopsis harmandi
  • Lacunopsis jullieni
  • Lacunopsis levayi
  • Lacunopsis minuta
  • Neotricula aperta
  • Neotricula burchi
  • Oncomelania hupensis
  • Pachydrobia bavayi
  • Pachydrobia munensis
  • Pachydrobia paradoxa
  • Pachydrobia prasongi
  • Pachydrobia siamensis
  • Pachydrobia spinosa
  • Pachydrobia variabilis
  • Pachydrobia wykoffi
  • Brown walker (Pomatiopsis cincinnatiensis)
  • Tricula bollingi
  • Tricula montana

Amnicolids edit

  • Baicalia herderiana
  • Baicalia korotnevi
  • Emmericia patula
  • Cobble sprite (Lyogyrus latus)
  • Indented duskysnail (Lyogyrus retromargo)

Stenothyrids edit

  • Gangetia miliacea
  • Gangetia tigertti
  • Stenothyra basisculpta
  • Stenothyra blanfordiana
  • Stenothyra cambodiensis
  • Stenothyra confinis
  • Stenothyra crooki
  • Stenothyra cyrtochila
  • Stenothyra deltae
  • Stenothyra fasciata
  • Stenothyra glabra
  • Stenothyra glabrata
  • Stenothyra hardouini
  • Stenothyra hybocystoides
  • Stenothyra jiraponi
  • Stenothyra koratensis
  • Stenothyra krungtepensis
  • Stenothyra labiata
  • Stenothyra mandahlbarthi
  • Stenothyra messageri
  • Stenothyra minima
  • Stenothyra monilifera
  • Stenothyra ornata
  • Stenothyra ovalis
  • Stenothyra polita
  • Stenothyra schuetti
  • Stenothyra soluta
  • Stenothyra ventricosa

Iravadiids edit

  • Iravadia cochinchinensis
  • Iravadia mahimensis
  • Iravadia ornata
  • Iravadia reticulata
  • Iravadia rohdei
  • Iravadia sakaguchii

Other Littorinimorpha species edit

Sorbeoconcha edit

There are 132 species and one subspecies in the order Sorbeoconcha assessed as least concern.

Pleurocerids edit

  • Black-crest elimia (Elimia albanyensis)
  • Knobby elimia (Elimia athearni)
  • Cahaba elimia (Elimia cahawbensis)
  • Fluted elimia (Elimia carinocostata)
  • Club elimia (Elimia clavaeformis)
  • Slackwater elimia (Elimia clenchi)
  • Stately elimia (Elimia dickinsoni)
  • Banded elimia (Elimia fascinans)
  • Rusty elimia (Elimia godwini)
  • Coldwater elimia (Elimia modesta)
  • Pyramid elimia (Elimia potosiensis)
  • Sprite elimia (Elimia proxima)
  • Smooth elimia (Elimia simplex)
  • Crested mudalia (Leptoxis carinata)
  • Varicose rocksnail (Lithasia verrucosa)

Melanopsids edit

Semisulcospirids edit

  • Black juga (Juga nigrina)

Thiarids edit

Pachychilids edit

Paludomids edit

Species

Subspecies

  • Cleopatra bulimoides bulimoides

Potamidids edit

Architaenioglossa edit

There are 158 species in the order Architaenioglossa assessed as least concern.

Cyclophorids edit

  • Cyathopoma blandfordi

Pupinids edit

Diplommatinids edit

  • Cochlostoma achaicum
  • Cochlostoma adamii
  • Cochlostoma alleryanum
  • Cochlostoma anomphale
  • Cochlostoma apricum
  • Cochlostoma auritum
  • Cochlostoma bicostulatum
  • Cochlostoma braueri
  • Cochlostoma cinerascens
  • Cochlostoma conicum
  • Cochlostoma cretense
  • Cochlostoma crosseanum
  • Cochlostoma elegans
  • Cochlostoma georgi
  • Cochlostoma gigas
  • Cochlostoma gracile
  • Cochlostoma hellenicum
  • Cochlostoma henricae
  • Cochlostoma hidalgoi
  • Cochlostoma hoyeri
  • Cochlostoma macei
  • Cochlostoma martorelli
  • Cochlostoma montanum
  • Cochlostoma nanum
  • Cochlostoma nouleti
  • Cochlostoma oscitans
  • Cochlostoma partioti
  • Cochlostoma patulum
  • Cochlostoma philippianum
  • Cochlostoma porroi
  • Cochlostoma roseoli
  • Cochlostoma sardoum
  • Cochlostoma scalarinum
  • Cochlostoma septemspirale
  • Cochlostoma simrothi
  • Cochlostoma sturanii
  • Cochlostoma subalpinum
  • Cochlostoma tergestinum
  • Cochlostoma tessellatum
  • Cochlostoma villae
  • Cochlostoma waldemari
  • Cochlostoma westerlundi
  • Plectostoma crassipupa
  • Plectostoma davisoni
  • Plectostoma whitteni
  • Striolata striolata

Aciculids edit

  • Acicula corcyrensis
  • Point snail (Acicula fusca)
  • Acicula lineata
  • Acicula lineolata
  • Acicula szigethyannae
  • Platyla banatica
  • Platyla callostoma
  • Platyla cryptomena
  • Platyla curtii
  • Platyla dupuyi
  • Platyla gracilis
  • Platyla microspira
  • Platyla perpusilla
  • Platyla pinteri
  • Platyla polita
  • Platyla similis
  • Platyla stussineri
  • Platyla wilhelmi
  • Renea spectabilis
  • Renea veneta

Viviparids edit

Ampullariids edit

Craspedopomatids edit

Lower Heterobranchia species edit

Cycloneritimorpha edit

There are 40 species in the order Cycloneritimorpha assessed as least concern.

Helicinids edit

  • Palaeohelicina heterochroa
  • Pleuropoma pelewensis
  • Pleuropoma theobaldiana

Neritids edit

Neritiliids edit

Hygrophila species edit

There are 188 Hygrophila species assessed as least concern.

Physids edit

Acroloxids edit

  • Lake limpet (Acroloxus lacustris)
  • Acroloxus rossicus
  • Acroloxus ussuriensis
  • Baicalancylus kobelti
  • Gerstfeldtiancylus benedictiae
  • Pseudancylastrum dorogostajkii
  • Pseudancylastrum sibiricum

Planorbids edit

Lymnaeids edit

Chilinids edit

Latiids edit

Neogastropoda edit

Conids edit

Eupulmonata edit

  • Auriculastra elongata
  • Auriculastra radiolata
  • Auriculastra subula
  • Cat's ear cassidula (Cassidula aurisfelis)
  • Cassidula crassiuscula
  • Cassidula labrella
  • Cassidula multiplicata
  • Cylindrotis quadrasi
  • Judas ear cassidula (Ellobium aurisjudae)
  • Midas ear cassidula (Ellobium aurismidae)
  • Laemodonta bella
  • Laemodonta punctigera
  • Laemodonta striata
  • Leucophytia bidentata
  • Melampus caffer
  • Coffee melampus (Melampus coffeus)
  • Melampus semiaratus
  • Melampus sincaporensis
  • Melampus striatus
  • Melampus sulculosus
  • Mouse ear snail (Myosotella denticulata)
  • Ophicardelus sulcatus
  • Pleuroloba quoyi

Other gastropod species edit

Bivalvia edit

There are 296 species and two subspecies in the class Bivalvia assessed as least concern.

Unionida edit

There are 193 species and one subspecies in the order Unionoida assessed as least concern.

Etheriids edit

Unionids edit

  • Mucket (Actinonaias ligamentina)
  • Acuticosta chinensis
  • Acuticosta ovata
  • Triangle floater (Alasmidonta undulata)
  • Slippershell mussel (Alasmidonta viridis)
  • Coosa fiveridge (Amblema elliottii)
  • Threeridge (Amblema plicata)
  • Wartyback (Amphinaias nodulata)
  • Pimpleback (Amphinaias pustulosa)
  • Anemina arcaeformis
  • Anemina fluminea
  • Duck mussel (Anodonta anatina)
  • Yukon floater (Anodonta beringiana)
  • California floater (Anodonta californiensis)
  • Swan mussel (Anodonta cygnea)
  • Alewife floater (Anodonta implicata)
  • Rock pocketbook (Arcidens confragosus)
  • Arconaia lanceolata
  • Coelatura aegyptiaca
  • Coelatura briarti
  • Coelatura gabonensis
  • Coelatura hauttecoeuri
  • Coelatura horei
  • Coelatura kunenensis
  • Coelatura leopoldvillensis
  • Coelatura luapulaensis
  • Coelatura mossambicensis
  • Cristaria tenuis
  • Cuneopsis capitatus
  • Cuneopsis celtiformis
  • Cuneopsis heudei
  • Cuneopsis pisciculus
  • Carolina lance (Elliptio angustata)
  • Florida shiny spike (Elliptio buckleyi)
  • Box spike (Elliptio cistellaeformis)
  • Eastern elliptio (Elliptio complanata)
  • Elephantear mussel (Elliptio crassidens)
  • Spike (Elliptio dilatata)
  • Satilla elephantear (Elliptio downiei)
  • Oval elliptio (Elliptio errans)
  • Northern lance (Elliptio fisheriana)
  • Pod lance (Elliptio folliculata)
  • Altamaha slabshell (Elliptio hopetonensis)
  • Flat spike (Elliptio jayensis)
  • Atlantic spike (Elliptio producta)
  • Waccamaw spike (Elliptio waccamawensis)
  • Ensidens ingallsianus
  • Ebonyshell (Fusconaia ebena)
  • Wabash pigtoe (Fusconaia flava)
  • Ozark pigtoe (Fusconaia ozarkensis)
  • Grandidieria burtoni
  • Hyriopsis bialata
  • Triangle sail mussel (Hyriopsis cumingii)
  • Hyriopsis delaportei
  • Lamellidens consobrinus
  • Lamellidens corrianus
  • Lamellidens generosus
  • Lamellidens jenkinsianus
  • Lamellidens lamellatus
  • Lamellidens marginalis
  • Lamellidens narainpirensis
  • Lamellidens phenchooganjensis
  • Lamprotula caveata
  • Lamprotula fibrosa
  • Lamprotula leai
  • Wavyrayed lampmussel (Lampsilis fasciola)
  • Louisiana fatmucket (Lampsilis hydiana)
  • Southern pocketbook (Lampsilis ornata)
  • Fatmucket (Lampsilis siliquoidea)
  • Rayed pink fatmucket (Lampsilis splendida)
  • Yellow sandshell (Lampsilis teres)
  • Lanceolaria gladiola
  • Lanceolaria grayana
  • Lasmigona compressa
  • Tennessee heelsplitter (Lasmigona holstonia)
  • Green floater (Lasmigona subviridis)
  • Black sandshell (Ligumia recta)
  • Washboard (Megalonaias nervosa)
  • Nitia acuminata
  • Nitia monceti
  • Nitia teretiuscula
  • Nodularia dorri
  • Nyassunio nyassaensis
  • Hickorynut (Obovaria olivaria)
  • Oxynaia pugio
  • Parreysia andersoniana
  • Parreysia bonneaudi
  • Parreysia burmana
  • Parreysia caerulea
  • Parreysia corrugata
  • Parreysia favidens
  • Parreysia gowhattensis
  • Parreysia involuta
  • Parreysia lima
  • Parreysia mandelayensis
  • Parreysia occata
  • Parreysia olivaria
  • Parreysia pachysoma
  • Parreysia rajahensis
  • Parreysia shurtleffiana
  • Parreysia sikkimensis
  • Parreysia smaragdites
  • Parreysia substriata
  • Parreysia tavoyensis
  • Parreysia theobaldi
  • Parreysia triembolus
  • Physunio cambodiensis
  • Physunio eximius
  • Physunio inornatus
  • Physunio micropterus
  • Physunio modelli
  • Physunio superbus
  • Pilsbryoconcha exilis
  • Pilsbryoconcha lemeslei
  • Bankclimber (Plectomerus dombeyanus)
  • Mississippi pigtoe (Pleurobema beadleianum)
  • Round pigtoe (Pleurobema sintoxia)
  • Tennessee pigtoe (Pleuronaia barnesiana)
  • Potamilus alatus
  • Pink papershell (Potamilus ohiensis)
  • Pseudodon inoscularis
  • Pseudodon mouhotii
  • Pseudodon vondembuschianus
  • Pseudospatha tanganyicensis
  • Ptychobranchus fasciolaris
  • Eastern floater (Pyganodon cataracta)
  • Newfoundland floater (Pyganodon fragilis)
  • Giant floater (Pyganodon grandis)
  • Pyganodon lacustris
  • Quadrula quadrula
  • Ridged mapleleaf (Quadrula rumphiana)
  • Purple pigtoe (Quadrula succissa)
  • Radiatula pilata
  • Scabies crispata
  • Scabies phaselus
  • Schistodesmus lampreyanus
  • Schistodesmus spinosus
  • Chinese pond mussel (Sinanodonta woodiana)
  • Solenaia soleniformis
  • Purple lilliput (Toxolasma lividum)
  • Lilliput (Toxolasma parvum)
  • Trapezoideus exolescens
  • Fawnsfoot (Truncilla donaciformis)
  • Uniandra contradens
  • Unio caffer
  • Unio douglasiae
  • Painter's mussel (Unio pictorum)
  • Unio tigridis
  • Swollen river mussel (Unio tumidus)
  • Florida pondhorn (Uniomerus caroliniana)
  • Pondhorn (Uniomerus tetralasmus)
  • Unionetta fabagina
  • Paper pondshell (Utterbackia imbecillis)
  • Ellipse (Venustaconcha ellipsiformis)
  • Florida rainbow (Villosa amygdala)
  • Notched rainbow (Villosa constricta)
  • Eastern creekshell (Villosa delumbis)
  • Painted creekshell (Villosa taeniata)
  • Downy rainbow (Villosa villosa)

Hyriids edit

Iridinids edit

Species

  • Aspatharia chaiziana
  • Aspatharia dahomeyensis
  • Aspatharia pfeifferiana
  • Aspatharia rugifera
  • Aspatharia semicorrugata
  • Chambardia dautzenbergi
  • Chambardia petersii
  • Chambardia rubens
  • Chambardia wahlbergi
  • Chambardia wissmanni
  • Chelidonopsis hirundo
  • Mutela dubia
  • Mutela hargeri
  • Mutela joubini
  • Mutela mabilli
  • Mutela rostrata
  • Mutela zambesiensis
  • Pleiodon spekii

Subspecies

  • Chambardia wahlbergi hartmanni

Mycetopodids edit

  • Anodontites colombiensis
  • Anodontites tenebricosus
  • Diplodontites cookei
  • Diplodontites pilsbryana
  • Lamproscapha ensiformis

Cardiida edit

Arcida edit

  • Scaphula celox
  • Scaphula deltae
  • Scaphula pinna

Venerida edit

There are 96 species and one subspecies in the order Veneroida assessed as least concern.

Dreissenids edit

Sphaeriids edit

Cyrenids edit

Species

  • Corbicula assamensis
  • Corbicula astartina
  • Corbicula bensoni
  • Corbicula blandiana
  • Corbicula fluminalis
  • Golden freshwater clam (Corbicula fluminea)
  • Corbicula iravadica
  • Corbicula leana
  • Corbicula moreletiana
  • Corbicula noetlingi
  • Corbicula regularis
  • Corbicula striatella
  • Bengali geloina (Polymesoda bengalensis)
  • Marsh clam (Polymesoda expansa)
  • Villorita cornucopia
  • Black clam (Villorita cyprinoides)

Subspecies

  • Corbicula fluminalis natalensis

Donacids edit

  • Egeria bernardii
  • Egeria cailliaudi
  • Egeria concamerata
  • Egeria congica
  • Egeria heukelomii
  • Egeria nux
  • Egeria paradoxa
  • Egeria radiata
  • Iphigenia curta
  • Iphigenia delessertii
  • Iphigenia laevigata
  • Iphigenia messageri

Other Venerida species edit

  • Cyrenoida dupontia
  • Cyrenoida rhodopyga
  • Neosolen aquaedulcioris
  • Novaculina gangetica
  • Pharella waltoni

Mytilida edit

  • Brachidontes arcuatulus
  • Golden mussel (Limnoperna fortunei)
  • Sinomytilus harmandi

Cephalopods edit

There are 197 cephalopod species assessed as least concern.

Octopuses edit

Sepioloida edit

There are 45 species in Sepioloida assessed as least concern.

Sepiids edit

Sepiolids edit

Sepiadariids edit

Oegopsina species edit

There are 126 Oegopsina species assessed as least concern.

Enoploteuthids edit

Hooked squids edit

Chiroteuthids edit

Cranchiids edit

Gonatids edit

Ommastrephids edit

Histioteuthids edit

Pyroteuthids edit

Other Oegopsina species edit

Bathyteuthida edit

Spirulida edit

See also edit

References edit

  1. ^ "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.