List of least concern molluscs

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

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[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)]
  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

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

Stylommatophora

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

Streptaxids

Lauriids

Vertiginids

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

Trissexodontids
  • Oestophora barbula
  • Oestophora lusitanica
  • Oestophora silvae
  • Oestophorella buvinieri
  • Suboestophora boscae
  • Trissexodon constrictus

Helicids

Species

  • Allognathus graellsianus
  • Allognathus hispanicus
  • Arianta aethiops
  • Copse snail (Arianta arbustorum)
  • Cantareus apertus
  • Cattania haberhaueri
  • Cattania kattingeri
  • Cattania rumelica
  • Cattania trizona
  • Causa holosericea
  • White-lipped snail (Cepaea hortensis)
  • Grove snail (Cepaea nemoralis)
  • Hélice sylvatique (Cepaea sylvatica)
  • Cepaea vindobonensis
  • Chilostoma albanograeca
  • Chilostoma amorgia
  • Chilostoma apfelbecki
  • Chilostoma arcadica
  • Chilostoma argentellei
  • Chilostoma bacchica
  • Chilostoma brenskei
  • Chilostoma byshekensis
  • Chilostoma choristochila
  • Chilostoma comythophora
  • Chilostoma conemenosi
  • Chilostoma cyclolabris
  • Chilostoma desmoulinsii
  • Chilostoma dochii
  • Chilostoma dunjana
  • Chilostoma eliaca
  • Chilostoma faueri
  • Chilostoma fontenillii
  • Chilostoma frigidum
  • Chilostoma fuchsiana
  • Chilostoma glaciale
  • Chilostoma heldreichi
  • Chilostoma hemonica
  • Chilostoma hirta
  • Chilostoma hoffmanni
  • Chilostoma hymetti
  • Chilostoma insolita
  • Chilostoma intermedium
  • Chilostoma kleciachi
  • Chilostoma kollari
  • Chilostoma krueperi
  • Chilostoma lefeburiana
  • Chilostoma melpomene
  • Chilostoma millieri
  • Chilostoma moellendorffi
  • Chilostoma nympha
  • Chilostoma pelia
  • Chilostoma phocaea
  • Chilostoma pieperi
  • Chilostoma polinskii
  • Chilostoma polyhymnia
  • Chilostoma posthuma
  • Chilostoma pouzolzi
  • Chilostoma serbica
  • Chilostoma setigera
  • Chilostoma setosa
  • Chilostoma sphaeriostoma
  • Chilostoma squamatinum
  • Chilostoma stenomphala
  • Chilostoma subaii
  • Chilostoma subzonata
  • Chilostoma valkanovi
  • Chilostoma zonatum
  • Cylindrus obtusus
  • Faustina cingulella
  • Faustina faustina
  • Faustina illyrica
  • Lapidary snail (Helicigona lapicida)
  • Helix albescens
  • Helix asemnis
  • Helix cincta
  • Helix dormitoris
  • Helix figulina
  • Helix lutescens
  • Helix nucula
  • Helix philibinensis
  • Helix pomacella
  • Helix pomatia
  • Helix secernenda
  • Helix vladica
  • Hemicycla bidentalis
  • Hemicycla consobrina
  • Hemicycla flavistoma
  • Hemicycla fulgida
  • Hemicycla glasiana
  • Hemicycla invernicata
  • Hemicycla melchori
  • Hemicycla perraudierei
  • Hemicycla sarcostoma
  • Iberus angustatus
  • Iberus guiraoanus
  • Iberus marmoratus
  • Isognomostoma isognomostomos
  • Levantina spiriplana
  • Macularia niciensis
  • Marmorana globularis
  • Marmorana muralis
  • Marmorana serpentina
  • Pseudotachea splendida
  • Superba skipetarica

Subspecies

  • Hemicycla glyceia glyceia

Hygromiids

Vitrinids
  • 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

Enids
  • 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
  • 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

Orculids

Other Stylommatophora species

Littorinimorpha

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

Hydrobiids

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

Bithyniids

Species

Subspecies

  • Gabbiella humerosa humerosa

Moitessieriids

Assimineids
  • Angustassiminea castanea
  • Assiminea beddomeana
  • Assiminea bifasciata
  • Red mangrove shell (Assiminea brevicula)
  • Assiminea eliae
  • Assiminea francesiae
  • Assiminea globulus
  • Dun sentinel (Assiminea grayana)
  • Assiminea latericea
  • Assiminea microsculpta
  • Assiminea nitida
  • Assiminea obtusa
  • Assiminea philippinica
  • Assiminea theobaldiana
  • Assiminea woodmasoniana
  • Cyclotropis bedaliensis
  • Cyclotropis carinata
  • Cyclotropis terae
  • Omphalotropis bifilaris
  • Omphalotropis cheynei
  • Omphalotropis moussoni
  • Omphalotropis parva
  • Paludinella littorina
  • Paludinella sicana

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

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

Other Littorinimorpha species

Sorbeoconcha

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

Pleurocerids
  • 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
  • Amphimelania holandrii
  • Fagotia daudebartii
  • Fagotia esperi
  • Melanopsis buccinoidea
  • Melanopsis costata
  • Melanopsis doriae
  • Melanopsis nodosa
  • Melanopsis praemorsa
  • Melanopsis saulcyi
  • Melanopsis tricarinata
  • Melanopsis trifasciata

Semisulcospirids
  • Black juga (Juga nigrina)

Thiarids

Pachychilids

Paludomids

Species

Subspecies

  • Cleopatra bulimoides bulimoides

Potamidids

Architaenioglossa

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

Cyclophorids
  • Cyathopoma blandfordi

Pupinids

Diplommatinids
  • 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
  • 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

Ampullariids

Craspedopomatids
  • Craspedopoma costata
  • Craspedopoma mucronatum
  • Craspedopoma neritoides
  • Craspedopoma trochoideum

Lower Heterobranchia species

Cycloneritimorpha

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

Helicinids
  • Palaeohelicina heterochroa
  • Pleuropoma pelewensis
  • Pleuropoma theobaldiana

Neritids

Neritiliids

Hygrophila species

There are 188 Hygrophila species assessed as least concern.

Physids

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

Planorbids

Lymnaeids
  • Bubble pondsnail (Austropeplea lessoni)
  • Austropeplea tomentosa
  • Mammoth lymnaea (Bulimnaea megasoma)
  • Prairie fossaria (Galba bulimoides)
  • Carib fossaria (Galba cubensis)
  • Dusky fossaria (Galba dalli)
  • Graceful fossaria (Galba exigua)
  • Galba peninsulae
  • Galba pervia
  • Attenuate fossaria (Galba truncatula)
  • Lymnaea acuminata
  • Lymnaea andersoniana
  • Lymnaea bactriana
  • Lymnaea diaphana
  • Lymnaea hookeri
  • Lymnaea luteola
  • Lymnaea obliquata
  • Lymnaea persica
  • Lymnaea pictonica
  • Lymnaea rectilabrum
  • Lymnaea saridalensis
  • Lymnaea schirazensis
  • Great pond snail (Lymnaea stagnalis)
  • Lymnaea tenera
  • Lymnaea tumida
  • Lymnaea ulaganica
  • Mimic lymnaea (Pseudosuccinea columella)
  • Radix auricularia
  • Radix balthica
  • Radix brevicauda
  • Radix natalensis
  • Radix relicta
  • Radix swinhoei
  • Radix viridis
  • Woodland pondsnail (Stagnicola catascopium)
  • Stagnicola corvus
  • Marsh pondsnail (Stagnicola elodes)
  • Flat-whorled pondsnail (Stagnicola exilis)
  • Stagnicola fuscus
  • Mountain marshsnail (Stagnicola montanensis)
  • Stagnicola palustris
  • Widelip pondsnail (Stagnicola traski)
  • Stagnicola turricula

Chilinids

Latiids

Neogastropoda

Conids

Eupulmonata
  • 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

Bivalvia

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

Unionida

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

Etheriids

Unionids
  • 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
  • Castalia ambigua
  • Castalia ecarinata
  • Australian river mussel (Cucumerunio novaehollandiae)
  • Diplodon chilensis
  • Diplodon granosus
  • Diplodon parallelopipedon
  • New Zealand freshwater mussel (Echyridella menziesii)
  • Echyridella onekaka
  • Prisodon syrmatophorus

Iridinids

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

Cardiida

Arcida
  • Scaphula celox
  • Scaphula deltae
  • Scaphula pinna

Venerida

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

Dreissenids
  • Quagga mussel (Dreissena bugensis)
  • Zebra mussel (Dreissena polymorpha)
  • Dreissena rostriformis
  • Mytilopsis africanus
  • Dark false mussel (Mytilopsis leucophaeata)

Sphaeriids
  • Eupera cubensis
  • Eupera ovata
  • Eupera sturanyi
  • Musculium argentinum
  • Musculium compressum
  • Musculium hartmanni
  • Musculium incomitatum
  • Musculium lacustre
  • Musculium novaezelandiae
  • Long fingernail clam (Musculium transversum)
  • Pisidium annandalei
  • Pisidium atkinsonianum
  • Caserta pea mussel (Pisidium casertanum)
  • Pisidium chilense
  • Pisidium chiquitanum
  • Pisidium clarkeanum
  • Arctic-alpine pea clam (Pisidium conventus)
  • Pisidium costulosum
  • Pisidium dorbignyi
  • Pisidium ellisi
  • Round peaclam (Pisidium equilaterale)
  • Etheridge's pea shell (Pisidium etheridgii)
  • Rusty peaclam (Pisidium ferrugineum)
  • Henslow's pea mussel (Pisidium henslowanum)
  • Pisidium hodgkini
  • Giant northern peaclam (Pisidium idahoense)
  • Pisidium insigne
  • Pisidium iquito
  • Pisidium javanum
  • Pisidium langleyanum
  • Pisidium meierbrooki
  • Pisidium nevillianum
  • Pisidium novaezelandiae
  • Porous pea mussel (Pisidium obtusale)
  • Pisidium omaguaca
  • Pisidium pirothi
  • Pisidium ponderi
  • Pisidium prasongi
  • Pisidium pseudosphaerium
  • Pisidium subtilestriatum
  • Pisidium sumatranum
  • Pisidium supinum
  • Pisidium variabile
  • Globular peaclam (Pisidium ventricosum)
  • Pisidium vile
  • Walden peaclam (Pisidium waldeni)
  • Walker peaclam (Pisidium walkeri)
  • Sphaerium asiaticum
  • Sphaerium baicalense
  • Sphaerium bequaerti
  • Sphaerium corneum
  • Sphaerium forbesi
  • Sphaerium incomitatum
  • Sphaerium indicum
  • Sphaerium lauricochae
  • Sphaerium nyanzae
  • Sphaerium ovale
  • Tanysiphon rivalis

Cyrenids

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

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

Cephalopods

There are 197 cephalopod species assessed as least concern.

Octopuses

Sepioloida

There are 45 species in Sepioloida assessed as least concern.

Sepiids

Sepiolids

Sepiadariids

Oegopsina species

There are 126 Oegopsina species assessed as least concern.

Enoploteuthids

Hooked squids

Chiroteuthids

Cranchiids

Gonatids

Ommastrephids

Histioteuthids

Pyroteuthids

Other Oegopsina species

Bathyteuthida

Spirulida
  • Ram's horn squid (Spirula spirula)
gollark: !esowiki CHIQRSX9+
gollark: ++exec```shellecho hi | cowsay```
gollark: ``` _________________________________________ / However, on religious issures there can \| be little or no compromise. There is no || position on which people are so || immovable as their religious beliefs. || There is no more powerful ally one can || claim in a debate than Jesus Christ, or || God, or Allah, or whatever one calls || this supreme being. But like any || powerful weapon, the use of God's name || on one's behalf should be used || sparingly. The religious factions that || are growing throughout our land are not || using their religious clout with || wisdom. They are trying to force || government leaders into following their || position 100 percent. If you disagree || with these religious groups on a || particular moral issue, they complain, || they threaten you with a loss of money || or votes or both. I'm frankly sick and || tired of the political preachers across || this country telling me as a citizen || that if I want to be a moral person, I || must believe in "A," "B," "C," and "D." || Just who do they think they are? And || from where do they presume to claim the || right to dictate their moral beliefs to || me? And I am even more angry as a || legislator who must endure the threats || of every religious group who thinks it || has some God-granted right to control || my vote on every roll call in the || Senate. I am warning them today: I will || fight them every step of the way if || they try to dictate their moral || convictions to all Americans in the || name of "conservatism." - Senator Barry || Goldwater, from the Congressional |\ Record, September 16, 1981 / ----------------------------------------- \ ^__^ \ (oo)\_______ (__)\ )\/\ ||----w | || ||```I need a cowsay command.
gollark: ++fortune
gollark: Hask is all haskell types, right?

See also

References
  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.
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