List of data deficient molluscs

In September 2016, the International Union for Conservation of Nature (IUCN) listed 1988 data deficient mollusc species.{{cite web|title=IUCN Red List version 2016-2|url=http://www.iucnredlist.org/|website=The IUCN Red List of Threatened Species|publisher=International Union for Conservation of Nature and Natural Resources (IUCN)|accessdate=8 September 2016}} Of all evaluated mollusc species, 27% are listed as data deficient.

The IUCN also lists 40 mollusc subspecies as data deficient.

No subpopulations of molluscs have been evaluated by the IUCN.

This is a complete list of data deficient mollusc species and subspecies evaluated by the IUCN.

[[Gastropoda|Gastropods]]

There are 1526 species and 37 subspecies of gastropod evaluated as data deficient.

=[[Vetigastropoda]]=

=[[Stylommatophora]]=

Stylommatophora includes the majority of land snails and slugs. There are 392 species and 32 subspecies in the order Stylommatophora evaluated as data deficient.

==[[Partulidae|Partulids]]==

{{columns-list|colwidth=30em|*Partula carteriensis

==[[Subulinidae|Subulinids]]==

Species

{{columns-list|colwidth=30em|*Hypolysia connollyana

Subspecies

==[[Achatinellidae|Achatinellids]]==

{{columns-list|colwidth=30em|*Auriculella ambusta

==[[Endodontidae|Endodontids]]==

{{columns-list|colwidth=30em|*Painted snake-coiled forest snail (Anguispira picta)

==[[Charopidae|Charopids]]==

{{columns-list|colwidth=30em|*Bischoffena bischoffensis

==[[Helicarionidae|Helicarionids]]==

{{columns-list|colwidth=30em|*Atrichotoxon usambarense

==[[Orthalicidae|Orthalicids]]==

{{columns-list|colwidth=30em|*Bulimulus albermalensis

==[[Euconulidae|Euconulids]]==

{{columns-list|colwidth=30em|*Dendrotrochus ponapensis

==[[Rhytididae|Rhytidids]]==

{{columns-list|colwidth=30em|*Delos oualanensis

Ouagapia spaldingi
Gillies' land snail (Paryphanta gilliesi)
Hochstetter's land snail (Paryphanta hochstetteri)
Woodformed land snail (Paryphanta lignaria)
Ross' land snail (Paryphanta rossiana)
Travers' land snail (Paryphanta traversi)}}

==[[Streptaxidae|Streptaxids]]==

Species

{{columns-list|colwidth=30em|*Edentulina usambarensis

Subspecies

{{columns-list|colwidth=30em|*Gulella conradti reductidentata

==[[Zonitidae|Zonitids]]==

{{columns-list|colwidth=30em|*Brazieria entomostoma

==[[Pupillidae|Pupillids]]==

{{columns-list|colwidth=30em|*Lyropupa anceyana

==[[Polygyridae|Polygyrids]]==

Species

{{columns-list|colwidth=30em|*Archer's toothed land snail (Mesodon archeri)

Jones' middle-toothed land snail (Mesodon jonesianus)
Virginia fringed mountain snail (Polygyriscus virginianus)
Stenotrema hubrichti
Pilsbry's narrow-apertured land snail (Stenotrema pilsbryi)
Western three-toothed land snail (Triodopsis occidentalis)
Flat-spired three-toothed snail (Triodopsis platysayoides)
Karok hesperion (Vespericola karokorum)}}

Subspecies

{{columns-list|colwidth=30em|*Noonday snail (Mesodon clarki nantahala)

Banded mesodon (Mesodon clausus trossulus)
Stenotrema leai cheatumi}}

==[[Helminthoglyptidae|Helminthoglyptids]]==

Species

Shasta sideband (Monadenia troglodytes)

Subspecies

{{columns-list|colwidth=30em|*Cathedral desert snail (Eremarionta indioensis cathedralis)

Baker desert snail (Eremarionta rowelli bakerensis)
Mccoy desert snail (Eremarionta rowelli mccoiana)
Helminthoglypta arrosa pomoensis
Cape shoulderband (Helminthoglypta expansilabris mattolensis)
Nicklin's peninsula snail (Helminthoglypta nickliniana awania)
Helminthoglypta nickliniana bridgesi
Helminthoglypta nickliniana contracosta
Helminthoglypta sequoicola consors
Dented peninsula snail (Helminthoglypta stiversiana miwoka)
Helminthoglypta stiversiana williamsi
Monadenia fidelis minor
Rocky coast sideband (Monadenia fidelis pronotis)
Monadenia mormonum buttoni
Monadenia mormonum hirsuta
Indian Yosemite snail (Monadenia yosemitensis yosemitensis)}}

==[[Camaenidae|Camaenids]]==

{{columns-list|colwidth=30em|*Amplirhagada herbertena

==[[Lauriidae|Lauriids]]==

{{columns-list|colwidth=30em|*Leiostyla castanea

==[[Vertiginidae|Vertiginids]]==

{{columns-list|colwidth=30em|*Truncatellina atomus

==[[Bradybaenidae|Bradybaenids]]==

Species

{{columns-list|colwidth=30em|*Aegista inexpectata

Subspecies

Euhadra scaevola mikawa

==[[Helicidae|Helicids]]==

{{columns-list|colwidth=30em|*Assyriella bellardii

==[[Hygromiidae|Hygromiids]]==

{{columns-list|colwidth=30em|*Actinella robusta

==[[Enidae|Enids]]==

{{columns-list|colwidth=30em|*Chondrula bergeri

==Other Stylommatophora==

Species

{{columns-list|colwidth=30em|*Acanthinula spinifera

Achatina vignoniana
Agardhiella extravaganta
Archachatina knorri
Arion obesoductus
Arion simrothi
Arion vejdowskyi
Atlantica engonatus
Santa Barbara shelled slug (Binneya notabilis)
Cecilioides nyctelia
Eucobresia glacialis
Eucobresia nivalis
Granaria variabilis
Halolimnohelix conradti
Helicodonta langhofferi
Hypnophila remyi
Monilearia inops
Monilearia praeposita
Monilearia watsoniana
Neophaedusa spelaeonis
Orcula dobrogica
Orcula spoliata
Pagodulina austeniana
Pagodulina tschapecki
Phenacolimax stabilei
Solatopupa guidoni
Solatopupa pallida
Streptostyla turgidula
Streptostyla wani
Strobilops sp. 1
Chittenango ovate amber snail (Succinea chittenangoensis)
Succinea guamensis
Succinea philippinica
Tandonia nigra
Thapsia grandis
Thapsia microsculpta
Thapsia usambarensis
Thyrophorella thomensis
Vallonia allamanica
Vallonia enniensis
Vitrea inae
Vitrea striata
Vitrinobrachium tridentinum
Xenodiscula taintori}}

Subspecies

Idaho banded mountain snail (Oreohelix idahoensis idahoensis)
Carinated striate banded mountain snail (Oreohelix strigosa goniogyra)

=[[Littorinimorpha]]=

There are 565 species and one subspecies in the order Littorinimorpha evaluated as data deficient.

==[[Strombidae|Strombids]]==

Ophioglossolambis violacea

==[[Pomatiidae|Pomatiids]]==

{{columns-list|colwidth=30em|*Chondropoma callipeplum

Tropidophora carinata
Tropidophora michaudi}}

==[[Hydrobiidae|Hydrobiids]]==

{{columns-list|colwidth=30em|*Akiyoshia kishiiana

Akiyoshia orientalis
Akiyoshia sachalinensis
Alzoniella murita
Alzoniella pyrenaica
Aphaostracon xynoelictum
Austropyrgus bunyaensis
Austropyrgus elongatus
Austropyrgus halletensis
Austropyrgus tateiformis
Avenionia bourguignati
Belgrandia bigorrensis
Belgrandia cazioti
Belgrandia coutagnei
Belgrandia dunalina
Belgrandia ionica
Belgrandia marginata
Belgrandia minuscula
Belgrandia targoniana
Belgrandia zilchi
Belgrandiella abchasica
Belgrandiella bumasta
Belgrandiella koprivnensis
Belgrandiella krupensis
Belgrandiella kuesteri
Belgrandiella kusceri
Belgrandiella nana
Belgrandiella novoselensis
Belgrandiella pageti
Belgrandiella robusta
Belgrandiella seminium
Bucharamnicola bucharica
Bythinella abbreviata
Bythinella bertrandi
Bythinella bouleti
Rhön spring snail (Bythinella compressa)
Bythinella cretensis
Bythinella cylindracea
Bythinella darrieuxii
Bythinella dunkeri
Bythinella kosensis
Bythinella kubotai
Bythinella ligurica
Bythinella magna
Bythinella nothites
Bythinella padana
Bythinella pyrenaica
Bythinella samecana
Bythinella serborientalis
Bythinella servainiana
Bythinella sordida
Bythinella troyana
Bythinella turriculata
Bythinella vesontiana
Bythinella walkeri
Bythiospeum alzense
Bythiospeum carpathica
Bythiospeum excelsior
Bythiospeum excessum
Bythiospeum michaudi
Bythiospeum moussonianum
Bythiospeum racovitzai
Bythiospeum sandbergeri
Bythiospeum senefelderi
Bythiospeum terveri
Caspia gmelinii
Caspia stanislavi
Caspiohydrobia behningi
Caspiohydrobia elongata
Caspiohydrobia gemmata
Caspiohydrobia grimmi
Caspiohydrobia pavlovskii
Caspiohydrobia sogdiana
Cilgia dalmatica
Cochliopina compacta
Daudebardiella asiana
Falniowskia neglectissima
Falsibelgrandiella bunarica
Falsipyrgula bakhtarana
Fluvidona dorrigoensis
Fluviopupa jeanyvesi
Fontigens binneyana
Tapered cavesnail (Fontigens holsingeri)
Blue Ridge springsnail (Fontigens orolibas)
Fontigens weberi
Geyeria valvataeformis
Godlewskia columella
Graziana vrbasensis
Hadopyrgus dubius
Hadopyrgus expositus
Hadziella thermalis
Hauffenia edlaueri
Hauffenia erythropomatia
Hauffenia kissdalmae
Heideella andreae
Heideella dolichia
Hemistomia beaumonti
Horatia ljovuschkini
Horatia parvula
Hydrobia atuca
Hydrobia balfouri
Hydrobia cattaroensis
Hydrobia declinata
Hydrobia elachista
Hydrobia faminensis
Hydrobia gabonensis
Hydrobia glaucovirens
Hydrobia lineata
Hydrobia montenegrina
Hydrobia newtoni
Hydrobia pontieuxini
Hydrobia semistriata
Hydrobia soosi
Hydrobia sordida
Iberhoratia aurorae
Iglica alpeus
Iglica bosnica
Iglica eximia
Iglica gittenbergeri
Iglica illyrica
Iglica karamani
Iglica maasseni
Iglica relicta
Indopyrgus nevilli
Islamia archeducis
Islamia bourguignati
Islamia coronadoi
Islamia germaini
Islamia latina
Islamia valvataeformis
Istriana falkneri
Jardinella thaanumi
Kanakyella gentilsiana
Kolhymamnicola wasiliewae
Lanzaia bosnica
Lanzaia edlaueri
Lanzaia elephantotus
Lithoglyphus prasinus
Lithoglyphus pygmaeus
Littoridina boetzkesi
Littoridina compacta
Littoridina coquimbensis
Littoridina loaensis
Littoridina oblonga
Littoridina opachensis
Littoridina pachispira
Littoridina pedrina
Littoridina santiagensis
Lobogenes michaelis
Lyhnidia sublitoralis
Armored marstonia (Marstonia pachyta)
Martensamnicola kazakhstanica
Mercuria baudoniana
Mercuria edmundi
Mercuria emiliana
Mercuria maceana
Mercuria perforata
Mercuria tachoensis
Meridiopyrgus inanga
Meridiopyrgus pupiformis
Mexipyrgus carranzae
Mienisiella mienisi
Neohoratia minuta
Ohridohauffenia sublitoralis
Opacuincola abradeta
Opacuincola conosimilis
Opacuincola favus
Opacuincola fruticis
Opacuincola geometrica
Opacuincola ignorata
Opacuincola kuscheli
Opacuincola mete
Opacuincola piriformis
Opacuincola roscoei
Opacuincola takakaensis
Opacuincola terraelapsus
Opacuincola turriformis
Paladilhiopsis blanci
Paladilhiopsis bosniaca
Paladilhiopsis brandisi
Paladilhiopsis pulcherrima
Paladilhiopsis schakuranica
Paladilhiopsis solida
Paladilhiopsis subovata
Paladilhiopsis tarae
Peringia mabilli
Phrantela richardsoni
Phreatoceras taylori
Crowned cavesnail (Phreatodrobia coronae)
Domed cavesnail (Phreatodrobia nugax)
Beaked cavesnail (Phreatodrobia rotunda)
Plagigeyeria edlaueri
Plagigeyeria klemmi
Plagigeyeria minuta
Plagigeyeria mostarensis
Plagigeyeria nitida
Plagigeyeria piroti
Plagigeyeria plagiostoma
Plagigeyeria robusta
Platypyrgus nelsonensis
Plesiella guipuzcoa
Plesiella navarrensis
Potamolithus doeringi
Potamolithus filipponei
Potamolithus paysanduanus
Pristinicola hemphilli
Pseudamnicola astierii
Pseudamnicola beckmanni
Pseudamnicola brachia
Pseudamnicola confinis
Pseudamnicola constantinae
Pseudamnicola depressispira
Pseudamnicola dobrogica
Pseudamnicola elbursensis
Pseudamnicola exilis
Pseudamnicola granjaensis
Pseudamnicola hinzi
Pseudamnicola kotschyi
Pseudamnicola leontina
Pseudamnicola luisi
Pseudamnicola luteola
Pseudamnicola macrostoma
Pseudamnicola navasiana
Pseudamnicola orsinii
Pseudamnicola penchinati
Pseudamnicola razelmiana
Pseudamnicola sciaccaensis
Pseudamnicola vinarskii
Pseudamnicola virescens
Pseudopaludinella cygnea
Pseudorientalia natolica
Diamond Y springsnail (Pseudotryonia adamantina)
Pyrgula abichi
Pyrgula acicula
Pyrgula behningi
Pyrgula cincta
Pyrgula ebersini
Pyrgula falkneri
Pyrgula grimmi
Pyrgula isseli
Pyrgula kolesnikoviana
Pyrgula nossovi
Pyrgula pambotis
Pyrgula pulla
Pyrgula rudis
Pyrgula sowinskyi
Chupadera springsnail (Pyrgulopsis chupaderae)
Crystal Spring springsnail (Pyrgulopsis crystalis)
Davis County springsnail (Pyrgulopsis davisi)
Fairbanks springsnail (Pyrgulopsis fairbanksensis)
Elongate-gland springsnail (Pyrgulopsis isolata)
Salton sea springsnail (Pyrgulopsis longinqua)
Page springsnail (Pyrgulopsis morrisoni)
Distal-gland springsnail (Pyrgulopsis nanus)
Pecos springsnail (Pyrgulopsis pecosensis)
Median-gland Nevada springsnail (Pyrgulopsis pisteri)
Fossil springsnail (Pyrgulopsis simplex)
Brown springsnail (Pyrgulopsis sola)
Radomaniola bosniaca
Radomaniola gaillardoti
Rakiurapyrgus micula
Rehderiella siamensis
Sadleriana affinis
Sadleriana bavarica
Sadleriana bulgarica
Sadleriana byzanthina
Sarajana apfelbecki
Saxurinator hadzii
Saxurinator microbeliscus
Saxurinator schlickumi
Golden pebblesnail (Somatogyrus aureus)
Angular pebblesnail (Somatogyrus biangulatus)
Knotty pebblesnail (Somatogyrus constrictus)
Hidden pebblesnail (Somatogyrus decipiens)
Ovate pebblesnail (Somatogyrus excavatus)
Granite pebblesnail (Somatogyrus hinkleyi)
Moon pebblesnail (Somatogyrus obtusus)
Sparrow pebblesnail (Somatogyrus parvulus)
Tallapoosa pebblesnail (Somatogyrus pilsbryanus)
Mud pebblesnail (Somatogyrus sargenti)
Somatogyrus trothis
Coldwater pebblesnail (Somatogyrus tryoni)
Sororipyrgus marshalli
Terrestribythinella baidashnikovi
Torosia proschwitzi
Turkmenamnicola smaragdovae
Turricaspia astrachanica
Turricaspia chersonica
Turricaspia conus
Turricaspia dagestanica
Turricaspia pullula
Turricaspia sajenkovae
Turricaspia spasskii
Turricaspia trivialis
Valvatamnicola archangelskii
Vinodolia zetaevallis}}

==[[Cochliopidae|Cochliopids]]==

{{columns-list|colwidth=30em|*Aroapyrgus colombiensis

Aroapyrgus panamensis
Heleobia achaja
Heleobia ameghini
Heleobia arenaria
Heleobia atacamensis
Heleobia canariensis
Heleobia chavezi
Heleobia dalmatica
Heleobia florezii
Heleobia hernandezae
Heleobia longiscata
Heleobia macei
Heleobia maltzani
Heleobia rausiana
Heleobia steindachneri
Heleobia streletzkiensis
Heleobia sublineata
Heleobia vestita
Nurekia triculiformis
Alamosa springsnail (Tryonia alamosae)
Sportingoods tryonia (Tryonia angulata)
Cheatum's snail (Tryonia cheatumi)
Grated tryonia (Tryonia clathrata)
Point of Rocks tryonia (Tryonia elata)
Minute tryonia (Tryonia ericae)
Gila tryonia (Tryonia gilae)
California brackish water snail (Tryonia imitator)
Koster's tryonia (Tryonia kosteri)
Quitabaquito tryonia (Tryonia quitobaquitae)
Tryonia tricarinata
Amargosa tryonia (Tryonia variegata)}}

==[[Bithyniidae|Bithyniids]]==

Species

{{columns-list|colwidth=30em|*Bithynia boissieri

Subspecies

Gabbiella humerosa tanganyicensis

==[[Moitessieriidae|Moitessieriids]]==

{{columns-list|colwidth=30em|*Clameia brooki

==[[Assimineidae|Assimineids]]==

{{columns-list|colwidth=30em|*Angustassiminea yoshidayukioi

==[[Pomatiopsidae|Pomatiopsids]]==

{{columns-list|colwidth=30em|*Cecina alta

Coxiella pyrrhostoma
Erhaia banepaensis
Erhaia chandeshwariensis
Erhaia sugurensis
Hubendickia chinensis
Hubendickia cingulata
Hubendickia coronata
Hubendickia cylindrica
Hubendickia velimirovichi
Hydrorissoia cambodiensis
Hydrorissoia elegans
Hydrorissoia elongata
Jullienia acuta
Jullienia crooki
Jullienia microsculpta
Jullienia munensis
Jullienia nodulosa
Jullienia tricostata
Lacunopsis monodonta
Lacunopsis rolfbrandti
Lacunopsis sphaerica
Lacunopsis ventricosa
Neotricula minutoides
Pachydrobia dubiosa
Pachydrobia fischeriana
Pachydrobia scalaroides
Pacific walker (Pomatiopsis californica)
Sibirobythinella almaatina
Tomichia guillemei
Tomichia hendrickxi
Tomichia kivuensis
Tricula fuchsi
Tricula godawariensis
Tricula gravelyi
Tricula heudei
Tricula horae
Tricula humida
Tricula martini
Tricula taylori}}

==[[Lithoglyphidae|Lithoglyphids]]==

{{columns-list|colwidth=30em|*Benedictia kotyensis

Benedictia nana
Moapa pebblesnail (Fluminicola avernalis)
Columbia pebblesnail (Fluminicola columbiana)
Pyramid Lake pebblesnail (Fluminicola dalli)
Pahranagat pebblesnail (Fluminicola merriami)
Nugget pebblesnail (Fluminicola seminalis)
Kobeltocochlea falsipumyla
Kobeltocochlea lindholmiana
Kobeltocochlea olchonensis
Lithoglyphopsis grandis
Lithoglyphopsis modestus
Lithoglyphopsis viridulus}}

==[[Amnicolidae|Amnicolids]]==

{{columns-list|colwidth=30em|*Baicalia angarensis

==[[Stenothyridae|Stenothyrids]]==

{{columns-list|colwidth=30em|*Gangetia burmana

==[[Iravadiidae|Iravadiids]]==

{{columns-list|colwidth=30em|*Iravadia annadalei

==[[Truncatellidae|Truncatellids]]==

{{columns-list|colwidth=30em|*Taheitia alata

=[[Sorbeoconcha]]=

There are 97 species and one subspecies in the order Sorbeoconcha evaluated as data deficient.

==[[Batillaridae|Batillarids]]==

Batillaria mutata

==[[Pleuroceridae|Pleurocerids]]==

{{columns-list|colwidth=30em|*Knobby rocksnail (Lithasia curta)

Jay's river snail (Lithasia jayana)
Elk River file snail (Lithasia lima)
Noble hornsnail (Pleurocera nobilis)
Broken hornsnail (Pleurocera postelli)}}

==[[Melanopsidae|Melanopsids]]==

{{columns-list|colwidth=30em|*Melanopsis arbalensis

==[[Semisulcospiridae|Semisulcospirids]]==

Oasis juga (Juga laurae)

==[[Thiaridae|Thiarids]]==

{{columns-list|colwidth=30em|*Aylacostoma osculati

==[[Pachychilidae|Pachychilids]]==

{{columns-list|colwidth=30em|*Brotia cylindrus

==[[Paludomidae|Paludomids]]==

Species

{{columns-list|colwidth=30em|*Anceya terebriformis

Subspecies

Cleopatra bulimoides pauli

=[[Architaenioglossa]]=

There are 106 species and one subspecies in the order Architaenioglossa evaluated as data deficient.

==[[Neocyclotidae|Neocyclotids]]==

{{columns-list|colwidth=30em|*Kondoraphe kiyokoae

==[[Cyclophoridae|Cyclophorids]]==

Species

{{columns-list|colwidth=30em|*Awalycaeus akiratadai

Subspecies

Chamalychaeus itonis nakashimai

==[[Pupinidae|Pupinids]]==

{{columns-list|colwidth=30em|*Cytora hirsutissima

Pupina brenchleyi
Pupina complanata}}

==[[Diplommatinidae|Diplommatinids]]==

{{columns-list|colwidth=30em|*Cochlostoma intermedium

==[[Aciculidae|Aciculids]]==

{{columns-list|colwidth=30em|*Acicula douctouyrensis

==[[Viviparidae|Viviparids]]==

{{columns-list|colwidth=30em|*Angulyagra boettgeri

Anulotaia mekongensis
Bellamya crassispiralis
Bellamya ecclesi
Bellamya jeffreysi
Bellamya leopoldvillensis
Bellamya micron
Bellamya trochlearis
Cipangopaludina annandalei
Contectiana ladogensis
Eyriesia eyriesi
Filopaludina miveruensis
Mekongia bocourti
Mekongia lamarcki
Mekongia rattei
Mekongia turbinata
Notopala tricincta
Rivularia auriculata
Sinotaia heudei
Taia elitoralis
Taia intha
Taia shanensis
Viviparus angularis
Viviparus boettgeri
Ochlockonee mysterysnail (Viviparus limi)
Viviparus mamillatus
Viviparus polyzonatus
Viviparus tricinctus}}

==[[Ampullariidae|Ampullariids]]==

{{columns-list|colwidth=30em|*Felipponea iheringi

=[[Allogastropoda|Lower Heterobranchia]] species=

{{columns-list|colwidth=30em|*Great Lake snail (Benthodorbis pawpela)

Borysthenia jelskii
Glacidorbis bicarinatus
Glacidorbis pedderi
Megalovalvata demersa
Morrisonietta acicula
Morrisonietta bandonensis
Morrisonietta gracilis
Morrisonietta krungtepensis
Valvata andreaei
Valvata bathybia
Valvata japonica
Valvata nilotica
Valvata revoili
Threeridge valvata (Valvata tricarinata)}}

=[[Cycloneritimorpha]]=

There are 30 species and two subspecies in the order Cycloneritimorpha evaluated as data deficient.

==[[Helicinidae|Helicinids]]==

Species

{{columns-list|colwidth=30em|*Ogasawarana arata

Subspecies

==[[Hydrocenidae|Hydrocenids]]==

{{columns-list|colwidth=30em|*Georissa biangulata

==[[Neritidae|Neritids]]==

{{columns-list|colwidth=30em|*Clithon bougainvillei

Clithon fuliginosum
Anchialine pool snail (Neritilia hawaiiensis)
Neritina perottetiana
Neritina platyconcha
Neritina plumbea
Weakly cut nerite (Neritodryas subsulcata)
Septaria laperousei
Septaria macrocephala
Theodoxus cinctellus
Theodoxus euphraticus
Theodoxus maresi
Theodoxus pallasi
Theodoxus saulcyi
Theodoxus syriacus}}

=[[Hygrophila (gastropod)|Hygrophila]] species=

There are 197 Hygrophila species evaluated as data deficient.

==[[Physidae|Physids]]==

{{columns-list|colwidth=30em|*Archiphysa laphami

Sonoma physa (Archiphysa sonomae)
Caribnauta harryi
Haitia venustula
Mayabina obtusa
Mayabina petenensis
Mexinauta impluviatus
Mexinauta peruvianus
Cloaked physa (Physa megalochlamys)
Physa taslei
Snake River physa snail (Physella natricina)
Sibirenauta aenigma
Ultraphysella sinaloae}}

==[[Acroloxidae|Acroloxids]]==

{{columns-list|colwidth=30em|*Acroloxus arachleicus

==[[Planorbidae|Planorbids]]==

{{columns-list|colwidth=30em|*Aenigmomphisicola europaea

Ancylus aduncus
Ancylus regularis
Ancylus striatus
Anisus carinea
Anisus correctus
Anisus iturupensis
Anisus johanseni
Anisus kussakini
Anisus noziriensis
Anisus stelmachoetius
Anisus strauchianus
Anisus substroemi
Anisus terekholicus
Anisus thermochukchensis
Anisus tugurensis
Lesser ramshorn snail (Anisus vorticulus)
Anisus zhirmunskii
Armiger annandalei
Armiger schamaricus
Biomphalaria barthi
Biomphalaria edisoni
Biomphalaria raimondi
Biomphalaria rhodesiensis
Biomphalaria salinarum
Biomphalaria stanleyi
Biomphalaria thermala
Biomphalaria trygira
Bulinus barthi
Bulinus browni
Bulinus crystallinus
Bulinus hexaploidus
Bulinus octoploidus
Bulinus permembranaceus
Bulinus transversalis
Burnupia alta
Burnupia brunnea
Burnupia caffra
Burnupia capensis
Burnupia edwardiana
Burnupia farquhari
Burnupia gordonensis
Burnupia kempi
Burnupia kimiloloensis
Burnupia mooiensis
Burnupia nana
Burnupia obtusata
Burnupia ponsonbyi
Burnupia stenochorias
Burnupia transvaalensis
Burnupia trapezoidea
Burnupia verreauxi
Burnupia vulcanus
Burnupia walkeri
Camptoceras austeni
Camptoceras hirasei
Camptoceras terebra
Ceratophallus apertus
Ceratophallus blanfordi
Ceratophallus faini
Ceratophallus socotrensis
Ceratophallus subtilis
Choanomphalus anomphalus
Choanomphalus cryptomphalus
Choanomphalus eurystomus
Choanomphalus lindholmi
Choanomphalus microtrochus
Choanomphalus omphalotus
Choanomphalus pygmaeus
Culmenella rezvoji
Beau's stream limpet (Ferrissia beaui)
Ferrissia burnupi
Ferrissia cawstoni
Ferrissia ceylanica
Ferrissia chudeaui
Ferrissia clessiniana
Ferrissia clifdeni
Ferrissia connollyi
Ferrissia eburnensis
Ferrissia farquhari
Ferrissia fontinalis
Ferrissia junodi
Ferrissia lacustris
Ferrissia leonensis
Ferrissia lhotelleriei
Ferrissia natalensis
Ferrissia pallaryi
Ferrissia siamensis
Ferrissia victoriensis
Ferrissia viola
Ferrissia zambesiensis
Ferrissia zambiensis
King George's freshwater snail (Glyptophysa georgiana)
Glyptophysa oconnori
Glyptophysa petiti
Glyptophysa variabilis
Gundlachia hubendicki
Gundlachia lucasi
Gundlachia neozelanica
Gundlachia radiatus
Gyraulus clymene
Gyraulus edgbastonensis
Gyraulus egirdirensis
Gyraulus heudei
Gyraulus hubendicki
Gyraulus huwaizahensis
Gyraulus pankongensis
Gyraulus prasongi
Gyraulus pulcher
Gyraulus rossiteri
Gyraulus taseviensis
Gyraulus terraesacrae
Gyraulus velifer
Gyraulus zilchianus
Helicorbis kushanica
Helicorbis shilkaensis
Helisoma peruvianum
Hippeutis distinctus
Hippeutis stossichi
Kolhymorbis bogatovi
Kolhymorbis dildorae
Kolhymorbis shadini
Marsh sprite (Micromenetus alabamensis)
Sampson sprite (Micromenetus sampsoni)
Physastra moluccensis
Corpulent ramshorn (Planorbella corpulenta)
Planorbella hornii
Planorbis kubanicus
Polypylis almaatina
Polypylis starobogatovi
Knobby ancylid (Rhodacmea hinkleyi)
Segmentina avecenninae
Segmentina cantori
Segmentina caucasica
Segmentina malkae
Segmentina mica
Segmentina petropolitana
Segmentina servaini
Segmentina starobogatovi
Segmentina taia
Segmentorbis eussoensis
Segmentorbis planodiscus
Trochorbis anastasiae
Uncancylus patagonicus}}

==[[Lymnaeidae|Lymnaeids]]==

{{columns-list|colwidth=30em|*Hawaiian bugle (Erinna aulacospira)

Alberta fossaria (Galba alberta)
Galba perplexa
Glossy fossaria (Galba perpolita)
Lymnaea bakowskyana
Lymnaea biacuminata
Lymnaea carelica
Lymnaea cucunorica
Lymnaea curtacorvus
Lymnaea dipkunensis
Lymnaea horae
Lymnaea shanensis
Lymnaea tengriana
Lymnaea vulnerata
Glutinous snail (Myxas glutinosa)
Omphiscola reticulata
Radix hamadai
Radix hookeri
Radix lagotis
Radix lilli
Obese pondsnail (Stagnicola oronoensis)
Stagnicola tekecus
Stagnicola tungabhadraensis}}

==[[Chilinidae|Chilinids]]==

{{columns-list|colwidth=30em|*Chilina ampullacea

==[[Latiidae|Latiids]]==

Latia lateralis

=[[Neogastropoda]]=

There are 113 species in the order Neogastropoda evaluated as data deficient.

==[[Turridae|Turrids]]==

{{columns-list|colwidth=30em|*Agathothoma finalis

==[[Marginellidae|Marginellids]]==

{{columns-list|colwidth=30em|*Cysticus gutta

==[[Buccinidae|Buccinids]]==

{{columns-list|colwidth=30em|*Clea broti

==[[Muricidae|Muricids]]==

{{columns-list|colwidth=30em|*Muricopsis mariangelae

==[[Conidae|Conids]]==

{{columns-list|colwidth=30em|*Spindle cone (Conus aculeiformis)

Conus alabaster
Andaman cone (Conus andamanensis)
Conus angioiorum
Conus auratinus
Conus austroviola
Conus bellocqae
Conus bellulus
Bianca's cone (Conus biancae)
Conus blanfordianus
Conus bondarevi
Conus bonfiglioli
Conus broderipii
Conus capreolus
Conus chiapponorum
Conus ciderryi
Conus colmani
Conus damasoi
Conus danilai
Conus dieteri
Glory of India cone (Conus eduardi)
Conus eldredi
Conus escondidai
Conus estivali
Conus evansi
Fragile geography cone (Conus fragilissimus)
Fraussen's cone (Conus frausseni)
Conus gabryae
Conus giorossii
Conus gordyi
Conus gratacapii
Conus habui
Conus hamamotoi
Conus hamanni
Honker's cone (Conus honkeri)
Conus hypochlorus
Conus ignotus
Conus ikedai
Conus joliveti
Conus jourdani
Conus kawamurai
Conus kerstitchi
Conus kiicumulus
Conus kohni
Conus kuiperi
Conus leekremeri
Conus lenhilli
Conus lentiginosus
Conus lightbourni
Conus luteus
Conus mcbridei
Conus milesi
Conus miniexcelsus
Conus moncuri
Conus moylani
Conus nigromaculatus
Conus nocturnus
Conus olgae
Conus pacificus
Conus patamakanthini
Conus pauperculus
Conus peli
Conus pepeiu
Conus pseudimperialis
Conus pseudokimioi
Asprella (Conus pseudorbignyi)
Conus richardsae
Conus richeri
Conus rizali
Conus salzmanni
Conus sartii
Conus sauros
Conus scalptus
Conus scopulicola
Conus sculpturatus
Conus smirna
Conus solomonensis
Clay cone (Conus splendidulus)
Conus subulatus
Conus swainsoni
Conus sydneyensis
Conus tirardi
Conus troendlei
Conus tuberculosus
Conus vaubani
Conus wallangra
Conus wilsi
Conus zebra}}

=[[Eupulmonata]]=

{{columns-list|colwidth=30em|*Auriculodes gangetica

=[[Archaeopulmonata]]=

[[Bivalvia]]

There are 171 species and three subspecies in the class Bivalvia evaluated as data deficient.

=[[Pectinida]]=

Nodipecten magnificus

=[[Unionida]]=

There are 95 species in the order Unionoida evaluated as data deficient.

==[[Margaritiferidae|Margaritiferids]]==

==[[Unionidae|Unionids]]==

{{columns-list|colwidth=30em|*Elktoe (Alasmidonta marginata)

Brook floater (Alasmidonta varicosa)
Anemina euscaphys
Anodonta cyrea
Anodonta impura
Oregon floater (Anodonta oregonensis)
Giant freshwater clam (Chamberlainia hainesiana)
Coelatura alluaudi
Coelatura choziensis
Coelatura cridlandi
Coelatura kipopoensis
Coelatura ratidota
Cockscomb pearl mussel (Cristaria plicata)
Edible naiad (Cyprogenia aberti)
Diaurora aurorea
Alabama spike (Elliptio arca)
Sad elliptio (Elliptio cylindracea)
Brother spike (Elliptio fraterna)
Florida lance (Elliptio waltoni)
Ensidens sagittarius
Harmandia munensis
Harmandia somboriensis
Hyriopsis desowitzi
Hyriopsis myersiana
Inversidens brandtii
Inversidens pantoensis
Lamellidens scutum
Lamellidens unioides
Lamprotula bazini
Lamprotula mansuyi
Lamprotula salaputium
Lamprotula tientsinensis
Lamprotula zonata
Lanceolaria cylindrica
Lanceolaria grayii
Lanceolaria triformis
Lepidodesma languilati
Nephronaias scamnata
Nitia chefneuxi
Nyassunio ujijiensis
Oxynaia gladiator
Parreysia annandalei
Parreysia bhamoensis
Parreysia chaudhurii
Parreysia choprae
Parreysia corbis
Parreysia crispisulcata
Parreysia cylindrica
Parreysia feae
Parreysia feddeni
Parreysia humilis
Parreysia nuttalliana
Parreysia olivacea
Parreysia pecten
Parreysia perconvexa
Physunio micropteroides
Physunio velaris
Pilsbryoconcha suilla
Canoe creek pigtoe (Pleurobema athearni)
Pseudanodonta elongata
Pseudodon avae
Pseudodon cambodjensis
Pseudodon crebristriata
Pseudodon peguensis
Pseudodon thomsoni
Rectidens sumatrensis
Scabies chinensis
Scabies nucleus
Sinanodonta ogurae
Solenaia emarginata
Solenaia khwaenoiensis
Trapezoideus misellus
Uniandra gratiosus
Uniandra semmelinki
Uniandra subcircularis
Unio turtoni}}

==[[Hyriidae|Hyriids]]==

{{columns-list|colwidth=30em|*Alathyria jacksoni

==[[Iridinidae|Iridinids]]==

{{columns-list|colwidth=30em|*Aspatharia droueti

==[[Mycetopodidae|Mycetopodids]]==

=[[Venerida]]=

There are 74 species and three subspecies in the order Veneroida evaluated as data deficient.

==[[Dreissenidae|Dreissenids]]==

Dreissena iconica

==[[Sphaeriidae|Sphaeriids]]==

Species

{{columns-list|colwidth=30em|*Euglesa gurvichi

Euglesa mongolica
Eupera moquiniana
Eupera triangulum
Musculium goshaitanensis
Oval orb shell (Musculium problematicum)
Musculium quirindi
Pisidium armillatum
Pisidium aslini
Pisidium australiense
Pisidium carum
Pisidium chandanbariensis
Pisidium ellipticum
Pisidium fistulosum
Pisidium fultoni
Pisidium giraudi
Pisidium globulus
Pisidium harrisoni
Pisidium invenustum
Pisidium kenianum
Pisidium kosciusko
Pisidium kuiperi
Pisidium maculatum
Pisidium observationis
Pisidium parvum
Pisidium plenilunium
Pisidium stewarti
Pisidium stoliczkanum
Pisidium yarkandense
Pisidium zugmayeri
Sphaerium aequatoriale
Sphaerium avanum
Sphaerium biwaense
Sphaerium galitzini
Sphaerium maroccanum
Sphaerium montanum
Sphaerium myadii
Sphaerium regularis
Sphaerium stuhlmanni}}

Subspecies

Musculium hartmanni naivashaens

==[[Cyrenidae|Cyrenids]]==

Species

{{columns-list|colwidth=30em|*Batissa inflata

Subspecies

==[[Donacidae|Donacids]]==

{{columns-list|colwidth=30em|*Egeria kockii

Egeria schwabi
Egeria tenuicula}}

==[[Solecurtidae|Solecurtids]]==

Novaculina siamensis

=[[Mytilida]]=

Sinomytilus morrisoni

[[Cephalopoda|Cephalopods]]

There are 291 cephalopod species evaluated as data deficient.

=[[Idiosepiida]]=

{{columns-list|colwidth=30em|*Idiosepius minimus

Southern pygmy squid (Idiosepius notoides)
Northern pygmy squid (Idiosepius paradoxus)
Idiosepius picteti
Two-toned pygmy squid (Idiosepius pygmaeus)
Idiosepius thailandicus}}

=[[Octopoda|Octopuses]]=

There are 34 octopus species evaluated as data deficient.

==[[Opisthoteuthidae|Umbrella octopuses]]==

{{columns-list|colwidth=30em|*Opisthoteuthis agassizii

==[[Argonautidae|Argonautids]]==

Argonauta cornuta

==[[Cirroteuthidae|Cirroteuthids]]==

{{columns-list|colwidth=30em|*Cirrothauma magna

==[[Grimpoteuthididae|Grimpoteuthis]] species==

{{columns-list|colwidth=30em|*Cryptoteuthis brevibracchiata

=[[Sepioloida]]=

There are 142 species in Sepioloida evaluated as data deficient.

==[[Sepiidae|Sepiids]]==

{{columns-list|colwidth=30em|*Flamboyant cuttlefish (Metasepia pfefferi)

Paintpot cuttlefish (Metasepia tullbergi)
Needle cuttlefish (Sepia aculeata)
Sepia acuminata
Sepia adami
Andrea cuttlefish (Sepia andreana)
Sepia angulata
Sepia appellofi
Arabian cuttlefish (Sepia arabica)
Sepia aureomaculata
Stumpy cuttlefish (Sepia bandensis)
Sepia bartletti
Sepia bathyalis
Sepia baxteri
African cuttlefish (Sepia bertheloti)
Shortclub cuttlefish (Sepia brevimana)
Sepia burnupi
Sepia carinata
Sepia confusa
Sepia dollfusi
Sepia dubia
Elegant cuttlefish (Sepia elegans)
Ovalbone cuttlefish (Sepia elliptica)
Guinean cuttlefish (Sepia elobyana)
Sepia elongata
Golden cuttlefish (Sepia esculenta)
Sepia faurei
Sepia foliopeza
Sepia furcata
Sepia gibba
Sepia hieronis
Giant African cuttlefish (Sepia hierredda)
Sepia hirunda
Sepia incerta
Sepia insignis
Sepia ivanovi
Sepia joubini
Sepia kiensis
Kobi cuttlefish (Sepia kobiensis)
Broadclub cuttlefish (Sepia latimanus)
Longarm cuttlefish (Sepia longipes)
Spider cuttlefish (Sepia lorigera)
Kisslip cuttlefish (Sepia lycidas)
Madokai's cuttlefish (Sepia madokai)
Sepia mascarensis
Sepia mirabilis
Frog cuttlefish (Sepia murrayi)
Pink cuttlefish (Sepia orbignyana)
Sepia papillata
Sepia pardex
Sepia peterseni
Pharaoh cuttlefish (Sepia pharaonis)
Sepia plathyconchalis
Sepia prabahari
Sepia pulchra
Sepia ramani
Curvespine cuttlefish (Sepia recurvirostra)
Sepia reesi
Sepia robsoni
Rosecone cuttlefish (Sepia rozella)
Broadback cuttlefish (Sepia savignyi)
Sepia saya
Sepia sewelli
Sepia simoniana
Sepia sokotriensis
Starry cuttlefish (Sepia stellifera)
Sepia subplana
Sepia subtenuipes
Sepia tala
Sepia tanybracheia
Sepia tenuipes
Sepia thurstoni
Sepia tokioensis
Sepia tuberculata
Sepia vecchioni
Patchwork cuttlefish (Sepia vermiculata)
Viet Nam cuttlefish (Sepia vietnamica)
Voss' cuttlefish (Sepia vossi)
Whitley's cuttlefish (Sepia whitleyana)
Zanzibar cuttlefish (Sepia zanzibarica)
Sepiella cyanea
Spineless cuttlefish (Sepiella inermis)
Japanese spineless cuttlefish (Sepiella japonica)
Sepiella ocellata
Ornate cuttlefish (Sepiella ornata)
Web's cuttlefish (Sepiella weberi)}}

==[[Sepiolidae|Sepiolids]]==

{{columns-list|colwidth=30em|*Amphorateuthis alveatus

Big-eyed bobtail squid (Austrorossia bipapillata)
Austrorossia enigmatica
Choneteuthis tongaensis
Euprymna albatrossae
Humming-bird bobtail squid (Euprymna berryi)
Euprymna hoylei
Euprymna hyllebergi
Mimka bobtail squid (Euprymna morsei)
Euprymna penares
Euprymna phenax
Euprymna scolopes
Euprymna stenodactyla
Southern bobtail squid (Euprymna tasmanica)
Heteroteuthis dagamensis
Odd bobtail squid (Heteroteuthis dispar)
Heteroteuthis hawaiiensis
Inioteuthis japonica
Iridoteuthis iris
Nectoteuthis pourtalesi
Neorossia leptodons
Rondeletiola capensis
Lentil bobtail squid (Rondeletiola minor)
Rossia brachyura
Rossia bullisi
Rossia glaucopis
Stout bobtail squid (Rossia macrosoma)
Rossia mollicella
Rossia pacifica
Tortuga bobtail squid (Rossia tortugaensis)
Greater shining bobtail squid (Semirossia equalis)
Elegant bobtail squid (Sepietta neglecta)
Common bobtail squid (Sepietta oweniana)
Sepietta petersi
Analogous bobtail squid (Sepiola affinis)
Atlantic bobtail squid (Sepiola atlantica)
Butterfly bobtail squid (Sepiola birostrata)
Intermediate bobtail squid (Sepiola intermedia)
Sepiola knudseni
Tongue bobtail squid (Sepiola ligulata)
Sepiola pfefferi
Robust bobtail squid (Sepiola robusta)
Dwarf bobtail squid (Sepiola rondeleti)
Sepiola rossiaeformis
Sepiola steenstrupiana
Knobby bobtail squid (Sepiola trirostrata)
Japanese bobtail squid (Sepiolina nipponensis)
Leucoptera bobtail squid (Stoloteuthis leucoptera)
Stoloteuthis maoria
Stoloteuthis weberi}}

==[[Sepiadariidae|Sepiadariids]]==

{{columns-list|colwidth=30em|*Sepiadarium auritum

Southern bottletail squid (Sepiadarium austrinum)
Sepiadarium gracilis
Sepiadarium nipponianum
Striped pyjama squid (Sepioloidea lineolata)
Pacific bobtail squid (Sepioloidea pacifica)}}

=[[Oegopsida|Oegopsina]] species=

There are 104 Oegopsina species evaluated as data deficient.

==[[Mastigoteuthidae]]==

{{columns-list|colwidth=30em|*Mastigoteuthis agassizii

==[[Enoploteuthidae|Enoploteuthids]]==

{{columns-list|colwidth=30em|*Abralia armata

==[[Onychoteuthidae|Hooked squids]]==

{{columns-list|colwidth=30em|*Callimachus rancureli

==[[Chiroteuthidae|Chiroteuthids]]==

{{columns-list|colwidth=30em|*Asperoteuthis lui

==[[Cranchiidae|Cranchiids]]==

{{columns-list|colwidth=30em|*Helicocranchia papillata

Banded piglet squid (Helicocranchia pfefferi)
Leachia atlantica
Leachia cyclura
Leachia dislocata
Leachia lemur
Leachia pacifica
Liguriella podophthalma
Megalocranchia fisheri
Megalocranchia maxima
Megalocranchia oceanica
Sandal-eye squid (Sandalops melancholicus)
Teuthowenia maculata}}

==[[Octopoteuthidae|Octopoteuthids]]==

{{columns-list|colwidth=30em|*Octopoteuthis danae

==Other Oegopsina species==

{{columns-list|colwidth=30em|*Brachioteuthis behnii

=[[Bathyteuthida]]=

{{columns-list|colwidth=30em|*Bathyteuthis bacidifera

Bathyteuthis berryi
Chtenopteryx canariensis
Chtenopteryx sepioloides
Comb-finned squid (Chtenopteryx sicula)}}

References

*Molluscs

Data deficient molluscs