# List of data deficient molluscs

* Extinct in the wild (EW): 13 species
* Critically endangered (CR): 581 species
* Endangered (EN): 507 species
* Vulnerable (VU): 879 species
* Near threatened (NT, LR/cd): 535 species
* Least concern (LC): 2,437 species
* Data deficient (DD): 1,988 species
* 6941 extant species have been evaluated
* 4953 of those are fully assessed
* 2972 are not threatened at present
* 1967 to 3955 are threatened
* 324 to 441 are extinct or extinct in the wild:
** 311 extinct (EX) species
** 13 extinct in the wild (EW)
** 117 possibly extinct [CR(PE)]
** 0 possibly extinct in the wild [CR(PEW)]
In September 2016, the International Union for Conservation of Nature (IUCN) listed 1988 data deficient mollusc species. 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.

## Gastropods

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

### Vetigastropoda

* Teinostoma fernandesi
* Teinostoma funiculatum

### 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.

#### Partulids

* Partula carteriensis
* Partula coxi
* Partula cramptoni
* Partula dorseyi
* Partula similaris
* Samoana annectens
* Samoana ganymedes
* Samoana magdalinae

#### Subulinids

Species
* Hypolysia connollyana
* Hypolysia usambarica
* Pseudoglessula acutissima
* Pseudoglessula conradti
* Pyrgina umbilicata
* Subulina usambarica
* Thomea newtoni
Subspecies
* Opeas nothapalinus crenatum
* Pseudoglessula leroyi fasciata

#### Achatinellids

* Auriculella ambusta
* Auriculella castanea
* Auriculella crassula
* Auriculella malleata
* Auriculella perpusilla
* Auriculella pulchra
* Auriculella tenella
* Elasmias jaurffreti
* Elasmias quadrasi
* Lamellidea microstoma
* Lamellidea subcylindrica
* Partulina dolei
* Partulina dwightii
* Partulina fusoidea
* Partulina kaaeana
* Partulina nattii
* Partulina porcellana
* Partulina talpina
* Partulina terebra
* Partulina ustulata
* Partulina virgulata
* Perdicella carinella
* Perdicella kuhnsi
* Perdicella ornata
* Tornatellinops ponapensis

#### Endodontids

* Painted snake-coiled forest snail (Anguispira picta)
* Hirasea biconcava
* Hirasea eutheca
* Hirasea goniobasis
* Hirasea hypolia
* Hirasea major
* Hirasea mirabilis
* Hirasea nesiotica
* Hirasea profundispira
* Hirasea sinuosa
* Hirasiella clara

#### Charopids

* Bischoffena bischoffensis
* Coenocharopa yessabahensis
* Cralopa kaputarensis
* Dipnelix pertricosa
* Himeroconcha fusca
* Himeroconcha lamlanensis
* Himeroconcha quadrasi
* Himeroconcha rotula
* Jokajdon callizonus
* Jokajdon tumidulus
* Kubaryiellus kubaryi
* Ladronellum mariannarum
* Letomola contortus
* Ngairea murphyi
* Oreokera cumulus
* Oreokera nimbus
* Oreomava cannfluviatilus
* Palikirus cosmetus
* Palikirus ponapicus
* Palline micramyla
* Radiodiscus coppingers
* Radiodiscus iheringi
* Rhophodon kempseyensis
* Rhophodon problematica
* Roimontis tolotomensis
* Russatus nigrescens
* Semperdon rotanus
* Sinployea kusaieana
* Trochogyra leptotera
* Trukcharopa trukana

#### Helicarionids

* Atrichotoxon usambarense
* Elisolimax rufescens
* Harmogenanina detecta
* Leptichnus bernardi
* Ryssota pachystoma
* Sitala mazumbaiensis
* Trichotoxon martensi
* Trochozonites usambarensis

#### Orthalicids

* Bulimulus albermalensis
* Bulimulus elaeodes
* Bulimulus hemaerodes
* Bulimulus nucula
* Bulimulus pallidus
* Bulimulus rugatinus
* Bulimulus rugiferus
* Bulimulus simrothi
* Bulimulus trogonius
* Placostylus garretti
* Placostylus subroseus

#### Euconulids

* Dendrotrochus ponapensis
* Kusaiea frivola
* Lamprocystis denticulata
* Lamprocystis fastigata
* Lamprocystis hornbosteli
* Lamprocystis misella
* Liardetia tenuisculpta
* Palaua babelthuapi
* Palaua margaritacea
* Palaua ngarduaisi
* Palaua straminea
* Palaua wilsoni
* Tengchiena euroxestus

#### Rhytidids

* 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)

#### Streptaxids

Species
* Edentulina usambarensis
* Gonaxis usambarensis
* Gonaxis vosseleri
* Gulella alleni
* Gulella amaniensis
* Gulella bomolensis
* Gulella cuspidata
* Gulella foliifera
* Gulella greenwayi
* Gulella grossa
* Gulella inconspicua
* Gulella intrusa
* Gulella ludwigi
* Gulella ndamanyiluensis
* Gulella paucidens
* Gulella translucida
* Gulella unidentata
* Gulella usambarica
* Ptychotrema mazumbiensis
* Ptychotrema usambarense
* Tayloria amaniensis
* Tayloria angustistriata
* Tayloria hyalinoides
Subspecies
* Gulella conradti reductidentata
* Gulella gouldi globulosa
* Gulella gwendolinae mkusiensis
* Gulella lornae lornae
* Gulella lornae major
* Gulella subhyalina addita
* Gulella usagarica msambaa
* Gulella usagarica satura

#### Zonitids

* Brazieria entomostoma
* Brazieria erasa
* Brazieria lutaria
* Brazieria minuscula
* Brazieria obesa
* Brazieria velata
* Glyphyalinia pecki
* Hogolua kondorum (Hongolua kondorum)
* Kondoa kondorum
* Trochomorpha approximata
* Trochomorpha carolinae
* Trochomorpha conoides
* Trochomorpha contigua
* Trochomorpha depressostriata
* Trochomorpha kantavuensis
* Trochomorpha kuesteri
* Trochomorpha latimarginata
* Trochomorpha merzianoides
* Trochomorpha nigritella
* Trochomorpha tumulus

#### Pupillids

* Lyropupa anceyana
* Lyropupa clathratula
* Lyropupa hawaiiensis
* Lyropupa lyrata
* Lyropupa microthauma
* Lyropupa mirabilis
* Lyropupa prisca
* Lyropupa rhabdota
* Lyropupa scabra
* Lyropupa spaldingi
* Lyropupa sparna
* Lyropupa striatula
* Lyropupa thaanumi
* Lyropupa truncata
* Nesopupa alloia
* Nesopupa anceyana
* Nesopupa bacca
* Nesopupa baldwini
* Nesopupa bishopi
* Nesopupa dispersa
* Nesopupa dubitabilis
* Nesopupa eapensis
* Nesopupa forbesi
* Nesopupa infrequens
* Nesopupa kauaiensis
* Nesopupa limatula
* Nesopupa litoralis
* Nesopupa newcombi
* Nesopupa oahuensis
* Nesopupa plicifera
* Nesopupa ponapica
* Nesopupa quadrasi
* Nesopupa rodriguezensis
* Nesopupa singularis
* Nesopupa subcentralis
* Nesopupa thaanumi
* Nesopupa waianensis
* Nesopupa wesleyana
* Pronesopupa acanthinula
* Pronesopupa boettgeri
* Pronesopupa frondicella
* Pronesopupa hystricella
* Pronesopupa incerta
* Pronesopupa lymaniana
* Pronesopupa molokaiensis
* Pronesopupa orycta
* Pronesopupa sericata
* Pupilla bigranata
* Pupoidopsis hawaiensis

#### Polygyrids

Species
* 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
* Noonday snail (Mesodon clarki nantahala)
* Banded mesodon (Mesodon clausus trossulus)
* Stenotrema leai cheatumi

#### Helminthoglyptids

Species
* Shasta sideband (Monadenia troglodytes)
Subspecies
* 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)

#### Camaenids

* Amplirhagada herbertena
* Cristigibba wesselensis
* Eximiorhagada asperrima
* Mandarina anijimana
* Mandarina aureola
* Mandarina chichijimana
* Mandarina exoptata
* Mandarina hahajimana
* Mandarina hirasei
* Mandarina luhuana
* Mandarina mandarina
* Mandarina polita
* Mandarina ponderosa
* Mandarina suenoae
* Mua treesnail (Noctepuna muensis)

#### Lauriids

* Leiostyla castanea
* Leiostyla fuscidula
* Leiostyla taeniata
* Leiostyla tesselata
* Leiostyla vermiculosa

#### Vertiginids

* Truncatellina atomus
* Truncatellina laeviuscula
* Truncatellina linearis
* Truncatellina purpuraria
* Truncatellina uniarmata
* Vertigo paradoxa

#### Bradybaenids

Species
* Aegista inexpectata
* Aegista intonsa
* Anixa carbonaria
* Anixa cumingii
* Anixa phloiodes
* Euhadra murayamai
* Euhadra nachicola
* Euhadra sadoensis
* Helicostyla zebuensis
* Paraegista apoiensis
Subspecies
* Euhadra scaevola mikawa

#### Helicids

* Assyriella bellardii
* Chilostoma cingulatum
* Chilostoma edlaueri
* Chilostoma istriana
* Chilostoma planospira
* Drobacia banatica
* Drobacia maeotica
* Helix anatolica
* Helix borealis
* Helix delpretiana
* Helix ligata
* Hemicycla berkeleii
* Hemicycla distensa
* Hemicycla ethelema
* Hemicycla fritschi
* Hemicycla gaudryi
* Hemicycla gomerensis
* Hemicycla granomalleata
* Hemicycla guamartemes
* Hemicycla hedybia
* Hemicycla maugeana
* Hemicycla paivanopsis
* Hemicycla planorbella
* Hemicycla psathyra
* Hemicycla vermiplicata
* Marmorana fuscolabiata
* Marmorana platychela
* Marmorana scabriuscula
* Superba vikosensis
* Theba andalusica
* Theba geminata

#### Hygromiids

* Actinella robusta
* Geomitra watsoni
* Helicella bolenensis
* Helicella nubigena
* Helicella sabulivaga
* Helicopsis arenosa
* Heterostoma desertae
* Heterostoma duplex
* Metafruticicola naxianus
* Metafruticicola nicosianus
* Monacha dirphica
* Monacha euboeica
* Monacha lamalouensis
* Ponentina revelata
* Trochoidea carinatoglobosa
* Trochoidea tarentina
* Trochulus alpicola
* Trochulus coelomphala
* Trochulus montanus
* Trochulus piccardi
* Trochulus plebeius
* Trochulus suberecta
* Urticicola isaricus
* Urticicola moutonii
* Urticicola suberinus
* Xerocrassa cobosi
* Xerocrassa geyeri
* Xerocrassa grata
* Xerolenta razlogi
* Xerosecta dohrni
* Xerosecta hillyeriana
* Xerosecta terverii
* Xerotricha crispolanata
* Xerotricha mariae
* Xerotricha nodosostriata
* Xerotricha renei
* Xerotricha zujarensis

#### Enids

* Chondrula bergeri
* Chondrula consentanea
* Chondrula minuta
* Ena elongata
* Luchuena hachijoensis
* Napaeus anaga
* Napaeus chrysaloides
* Napaeus flavoterminatus
* Napaeus gruereanus
* Napaeus indifferens
* Napaeus inflatiusculus
* Napaeus interpunctatus
* Napaeus lowei
* Napaeus maffioteanus
* Napaeus ocellatus
* Napaeus palmaensis
* Napaeus propinquus
* Napaeus savinosa
* Napaeus servus
* Napaeus severus
* Napaeus subgracilior
* Napaeus subsimplex
* Napaeus texturatus

#### Other Stylommatophora

Species
* 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.

#### Strombids

* Ophioglossolambis violacea

#### Pomatiids

* Chondropoma callipeplum
* Tropidophora carinata
* Tropidophora michaudi

#### Hydrobiids

* 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

#### Cochliopids

* 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)

#### Bithyniids

Species
* Bithynia boissieri
* Bithynia chaperi
* Bithynia forcarti
* Bithynia hambergerae
* Bithynia hareerensis
* Bithynia hellenica
* Bithynia lithoglyphoides
* Bithynia majewskyi
* Bithynia majorcina
* Bithynia mazandaranensis
* Bithynia montenegrina
* Bithynia moreletiana
* Bithynia morleti
* Bithynia mostarensis
* Bithynia nakeae
* Bithynia numidica
* Bithynia oxiana
* Bithynia pygmaea
* Bithynia schwabii
* Bithynia textum
* Bithynia thatkeana
* Bithynia walderdorffii
* Bithynia walkeri
* Bithynia wykoffi
* Gabbia carinata
* Gabbia lacustris
* Gabbia lutaria
* Gabbia napierensis
* Gabbia rotunda
* Gabbia tumida
* Gabbiella araxena
* Gabbiella balovalensis
* Gabbiella kichwambae
* Gabbiella neumanni
* Gabbiella walleri
* Gabbiella zambica
* Hydrobioides nana
* Hydrobioides turrita
* Jubaia excentrica
* Paraelona milachevitchi
* Parafossarulus sungariensis
* Pseudobithynia gittenbergeri
* Pseudobithynia hemmeni
* Pseudobithynia renei
* Pseudobithynia zogari
* Sataria everzardi
Subspecies
* Gabbiella humerosa tanganyicensis

#### Moitessieriids

* Clameia brooki
* Moitessieria barrinae
* Moitessieria bourguignati
* Moitessieria cocheti
* Moitessieria collellensis
* Moitessieria fontsaintei
* Moitessieria meijersae
* Moitessieria notenboomi
* Moitessieria robresia
* Moitessieria seminiana
* Moitessieria servaini
* Paladilhia pontmartiniana
* Palaospeum hispanicum
* Palaospeum nanum
* Palaospeum septentrionalis
* Sardopaladilhia buccina
* Sardopaladilhia distorta
* Sardopaladilhia marianae
* Sardopaladilhia subdistorta
* Spiralix affinitatis
* Spiralix burgensis
* Spiralix burgundina
* Spiralix collieri
* Spiralix hofmanni
* Spiralix puteana

#### Assimineids

* Angustassiminea yoshidayukioi
* Assiminea bella
* Assiminea borneensis
* Assiminea cardonae
* Assiminea estuarina
* Assiminea hessei
* Assiminea hungerfordiana
* Assiminea keniana
* Assiminea kurodai
* Assiminea mesopotamica
* Assiminea moellendorffi
* Assiminea palauensis
* Assiminea possietica
* Assiminea similis
* Cavernacmella yamamotonis
* Conacmella vagans
* Cyclotropis papuensis
* Eussoia aethiopica
* Eussoia leptodonta
* Eussoia oblonga
* Heteropoma fulva
* Heteropoma glabratum
* Heteropoma pyramis
* Heteropoma quadrasi
* Heteropoma tuberculatum
* Heteropoma turritum
* Omphalotropis albocarinata
* Omphalotropis carolinensis
* Omphalotropis ceramensis
* Omphalotropis cookei
* Omphalotropis elegans
* Omphalotropis elongatula
* Omphalotropis erosa
* Omphalotropis fragilis
* Omphalotropis gracilis
* Omphalotropis guamensis
* Omphalotropis hispida
* Omphalotropis howeinsulae
* Omphalotropis laevigata
* Omphalotropis laticosta
* Omphalotropis latilabris
* Omphalotropis layardiana
* Omphalotropis mutica
* Omphalotropis ochthogyra
* Omphalotropis picta
* Omphalotropis pilosa
* Omphalotropis quadrasi
* Omphalotropis semicostulata
* Omphalotropis sp. 2
* Omphalotropis striatapila
* Omphalotropis submaritima
* Omphalotropis suteri
* Omphalotropis suturalis
* Omphalotropis tumidula
* Omphalotropis vohimenae
* Paludinella conica
* Paludinella halophila
* Paludinella minima
* Paludinella semperi
* Paludinella vitrea
* Ponapella pihapiha
* Pseudassiminea waigiouensis
* Pseudocyclotus rugatellus
* Quadrasiella clathrata
* Quadrasiella mucronata
* Thaanumella angulosa
* Thaanumella cookei
* Tutuilana striata
* Wrayanna soluta

#### Pomatiopsids

* 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

#### Lithoglyphids

* 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

#### Amnicolids

* Baicalia angarensis
* Baicalia cancellata
* Baicalia duthiersi
* Baicalia dybowkskiana
* Baicalia elata
* Baicalia florii
* Baicalia jentteriana
* Baicalia nana
* Baicalia pulchella
* Baicalia semenkewitschi
* Baicalia wrzeniowskii
* Baicalia zachwatkini
* Emmericia narentana

#### Stenothyrids

* Gangetia burmana
* Stenothyra acuta
* Stenothyra annandalei
* Stenothyra arabica
* Stenothyra decapitata
* Stenothyra echinata
* Stenothyra foveolata
* Stenothyra maculata
* Stenothyra mcmulleni
* Stenothyra microsculpta
* Stenothyra nana
* Stenothyra perdives
* Stenothyra prasongi
* Stenothyra roseni
* Stenothyra schlickumi
* Stenothyra spinosa
* Stenothyra spiralis
* Stenothyra woodmasoniana

#### Iravadiids

* Iravadia annadalei
* Iravadia funerea
* Iravadia nipponica
* Iravadia princeps
* Iravadia subquadrata

#### Truncatellids

* Taheitia alata
* Taheitia lamellicosta
* Taheitia mariannarum
* Taheitia parvula

### Sorbeoconcha

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

#### Batillarids

* Batillaria mutata

#### Pleurocerids

* Knobby rocksnail (Lithasia curta)
* Jay's river snail (Lithasia jayana)
* Elk River file snail (Lithasia lima)
* Noble hornsnail (Pleurocera nobilis)
* Broken hornsnail (Pleurocera postelli)

#### Melanopsids

* Melanopsis arbalensis
* Melanopsis cariosa
* Melanopsis denegabilis
* Melanopsis sobriewskii
* Melanopsis turgida
* Melanopsis turkmenica

#### Semisulcospirids

* Oasis juga (Juga laurae)

#### Thiarids

* Aylacostoma osculati
* Hemisinus guayaquilensis
* Melania canalis
* Melania erosa
* Melanoides angolensis
* Melanoides bavayi
* Melanoides costellaris
* Melanoides liebrechtsi
* Melanoides magnifica
* Melanoides manguensis
* Melanoides nodicincta
* Melanoides nyangweensis
* Melanoides nyassana
* Melanoides pamiricus
* Melanoides peregrina
* Melanoides pergracilis
* Melanoides rufescens
* Melanoides turris
* Neoradina charon
* Neoradina multistriata
* Neoradina pirenoidea
* Neoradina zelebori
* Semisulcospira diminuta
* Semisulcospira hongkongensis
* Semisulcospira pacificans
* Sermyla sculpta
* Stenomelania uniformis
* Thiara baldwini
* Thiara kauaiensis
* Thiara rudicostis
* Thiara scitula
* Thiara terpsichore

#### Pachychilids

* Brotia cylindrus
* Brotia insolita
* Brotia jullieni
* Brotia kelantanensis
* Brotia siamensis
* Lithasiopsis mexicanus
* Pachychilus oerstedi
* Paracrostoma martini
* Paracrostoma tigrinus
* Potadoma buttikoferi
* Potadoma liberiensis
* Potadoma riperti
* Potadoma schoutedeni
* Potadoma togoensis
* Sulcospira dautzenbergiana
* Sulcospira delavayana
* Sulcospira sulcospira
* Sulcospira swinhoei

#### Paludomids

Species
* Anceya terebriformis
* Bridouxia smithiana
* Cleopatra guillemei
* Cleopatra hemmingi
* Cleopatra langi
* Martelia dautzenbergi
* Martelia tanganyicensis
* Paludomus andersoniana
* Paludomus annandalei
* Paludomus burmanica
* Paludomus cinctus
* Paludomus dhuma
* Paludomus globulosa
* Paludomus inflatus
* Paludomus loricatus
* Paludomus nana
* Paludomus nigricans
* Paludomus palustris
* Paludomus parvula
* Paludomus pustulosa
* Paludomus rotunda
* Paludomus siamensis
* Paludomus stomatodon
* Bella snail (Paludomus sulcatus)
* Paramelania crassigranulata
* Paramelania imperialis
* Paramelania minor
* Potadomoides bequaerti
* Potadomoides broecki
* Potadomoides hirta
* Pseudocleopatra voltana
* Reymondia pyramidalis
* Stanleya neritinoides
* Vinundu guillemei
Subspecies
* Cleopatra bulimoides pauli

### Architaenioglossa

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

#### Neocyclotids

* Kondoraphe kiyokoae
* Ostodes brazieri
* Paramiella incisa
* Paramiella kondoi

#### Cyclophorids

Species
* Awalycaeus akiratadai
* Chamalychaeus expanstoma
* Chamalychaeus miyazakii
* Chamalychaeus takahashii
* Chamalychaeus yanoshigehumii
* Cipangochalax placeonovitas
* Cipangocharax okamurai
* Cyathopoma nishinoi
* Japonia hispida
* Japonia shigetai
* Japonia striatula
* Nobuea kurodai
Subspecies
* Chamalychaeus itonis nakashimai

#### Pupinids

* Cytora hirsutissima
* Pupina brenchleyi
* Pupina complanata

#### Diplommatinids

* Cochlostoma intermedium
* Cochlostoma kleciaki
* Diplommatina circumstomata
* Diplommatina lateralis
* Malarinia calcopercula
* Palaina chrysalis
* Palaina dohrni
* Palaina doliolum
* Palaina graeffei
* Palaina kubaryi
* Palaina ovatula
* Palaina quadrata
* Palaina scalarina
* Palaina taeniolata
* Palaina tuberosa
* Palaina xiphidium
* Plectostoma annandalei
* Pseudopalaina ascendens

#### Aciculids

* Acicula douctouyrensis
* Menkia dewinteri
* Menkia rolani
* Renea elegantissima

#### Viviparids

* 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

#### Ampullariids

* Felipponea iheringi
* Lanistes graueri
* Lanistes nasutus
* Pila aperta
* Pila nevilliana
* Pila olea
* Pila saxea
* Pila speciosa
* Pomacea baeri
* Pomacea camena
* Pomacea catamarcensis
* Pomacea chemnitzii
* Pomacea conoidea
* Pomacea cornucopia
* Pomacea costaricana
* Pomacea cousini
* Pomacea cubensis
* Pomacea eximia
* Pomacea gigantea
* Pomacea hollingsworthi
* Pomacea interrupta
* Pomacea martinezi
* Pomacea modesta
* Pomacea pallens
* Pomacea pealiana
* Pomacea pomum
* Pomacea prourceus
* Pomacea pulchra
* Pomacea puntaplaya
* Pomacea reflexa
* Pomacea reyrei
* Pomacea spirata
* Pomacea tenuissima
* Pomacea vexillum
* Pomacea zischkai
* Saulea vitrea
* Turbinicola aperta

### Lower Heterobranchia species

* 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.

#### Helicinids

Species
* Ogasawarana arata
* Ogasawarana capsula
* Ogasawarana comes
* Ogasawarana discrepans
* Ogasawarana hirasei
* Ogasawarana microtheca
* Ogasawarana nitida
* Ogasawarana ogasawarana
* Ogasawarana optima
* Sturanyella carolinarum
* Sturanyella epicharis
Subspecies
* Pleuropoma zigzac ponapense
* Pleuropoma zigzac zigzac

#### Hydrocenids

* Georissa biangulata
* Georissa elegans
* Georissa laevigata
* Georissa rufula

#### Neritids

* 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 species

There are 197 Hygrophila species evaluated as data deficient.

#### Physids

* 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

#### Acroloxids

* Acroloxus arachleicus
* Acroloxus klucharevae
* Acroloxus kolhymensis
* Acroloxus orientalis
* Acroloxus pseudolacustris
* Baicalancylus njurgonicus
* Pseudancylastrum olgae
* Pseudancylastrum poberezhnyi
* Pseudancylastrum troschelii

#### Planorbids

* 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

#### Lymnaeids

* 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

#### Chilinids

* Chilina ampullacea
* Chilina elegans
* Chilina fluminea
* Chilina minuta
* Chilina robustior
* Chilina strebeli
* Chilina subcylindrica

#### Latiids

* Latia lateralis

### Neogastropoda

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

#### Turrids

* Agathothoma finalis
* Crassispira sacerdotalis
* Scaevatula amancicoi
* Scaevatula pellisserpentis

#### Marginellids

* Cysticus gutta
* Cysticus josephinae
* Gibberula cucullata
* Gibberula modica
* Gibberula puntillum
* Granulina parilis
* Marginella chalmersi
* Marginella gemma
* Marginella liparozona
* Marginella melvilli
* Rivomarginella morrisoni
* Volvarina insulana

#### Buccinids

* Clea broti
* Clea jullieni
* Clea spinosa
* Paradoxa confirmata
* Paradoxa thomensis

#### Muricids

* Muricopsis mariangelae
* Muricopsis matildae
* Muricopsis principensis
* Neorapana grandis

#### Conids

* 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

* Auriculodes gangetica
* Auriculodes gaziensis
* Ellobium chinense
* Laemodonta amplicata
* Laemodonta exaratoides
* Laemodonta oblonga
* Melampus massauensis

### Archaeopulmonata

* Salinator sanchezi
* Salinator swatowensis

## 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.

#### Margaritiferids

* Margaritifera dahurica
* Margaritifera laevis

#### Unionids

* 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

#### Hyriids

* Alathyria jacksoni
* Castalia schombergiana
* Cucumerunio websteri
* Echyridella lucasi
* Prisodon obliquus
* Rhipidodonta hylaea

#### Iridinids

* Aspatharia droueti
* Aspatharia marnoi
* Aspatharia subreniformis
* Chambardia trapezia
* Moncetia anceyi
* Mutela bourguignati
* Mutela ovata
* Mutela soleniformis
* Mutela wistarmorrisi

#### Mycetopodids

* Anodontites elongatus
* Anodontites trigonus

### Venerida

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

#### Dreissenids

* Dreissena iconica

#### Sphaeriids

Species
* 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

#### Cyrenids

Species
* Batissa inflata
* Batissa similis
* Corbicula amurensis
* Corbicula annadalei
* Corbicula arata
* Corbicula aurea
* Corbicula australis
* Corbicula baudoni
* Corbicula bocourti
* Corbicula castanea
* Corbicula cyreniformis
* Corbicula erosa
* Corbicula finitima
* Corbicula krishnaea
* Corbicula lamarckiana
* Corbicula leviuscula
* Corbicula luteola
* Corbicula lydigiana
* Corbicula messageri
* Corbicula moltkiana
* Corbicula nevelskoyi
* Corbicula occidentiformis
* Corbicula peninsularis
* Corbicula producta
* Corbicula siamensis
* Corbicula sirotskii
* Corbicula sylhetica
* Corbicula tenuis
* Geloina luchuana
* Villorita corbiculoides
Subspecies
* Corbicula fluminalis cunningtoni
* Corbicula fluminalis tanganyicensis

#### Donacids

* Egeria kockii
* Egeria schwabi
* Egeria tenuicula

#### Solecurtids

* Novaculina siamensis

### Mytilida

* Sinomytilus morrisoni

## Cephalopods

There are 291 cephalopod species evaluated as data deficient.

### Idiosepiida

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

### Octopuses

There are 34 octopus species evaluated as data deficient.

#### Umbrella octopuses

* Opisthoteuthis agassizii
* Opisthoteuthis albatrossi
* Opisthoteuthis borealis
* Opisthoteuthis bruuni
* Opisthoteuthis californiana
* Opisthoteuthis depressa
* Opisthoteuthis dongshaensis
* Opisthoteuthis extensa
* Opisthoteuthis grimaldii
* Opisthoteuthis hardyi
* Opisthoteuthis japonica
* Opisthoteuthis medusoides
* Opisthoteuthis persephone
* Opisthoteuthis philipii
* Opisthoteuthis pluto
* Opisthoteuthis robsoni

#### Argonautids

* Argonauta cornuta

#### Cirroteuthids

* Cirrothauma magna
* Cirrothauma murrayi
* Stauroteuthis gilchristi
* Stauroteuthis syrtensis

#### Grimpoteuthis species

* Cryptoteuthis brevibracchiata
* Grimpoteuthis abyssicola
* Grimpoteuthis hippocrepium
* Grimpoteuthis innominata
* Grimpoteuthis meangensis
* Grimpoteuthis megaptera
* Grimpoteuthis pacifica
* Grimpoteuthis plena
* Grimpoteuthis tuftsi
* Grimpoteuthis umbellata
* Grimpoteuthis wuelkeri
* Luteuthis dentatus
* Luteuthis shuishi

### Sepioloida

There are 142 species in Sepioloida evaluated as data deficient.

#### Sepiids

* 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)

#### Sepiolids

* 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

#### Sepiadariids

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

### Oegopsina species

There are 104 Oegopsina species evaluated as data deficient.

#### Mastigoteuthidae

* Mastigoteuthis agassizii
* Mastigoteuthis atlantica
* Mastigoteuthis cordiformis
* Mastigoteuthis danae
* Mastigoteuthis dentata
* Mastigoteuthis famelica
* Mastigoteuthis glaukopsis
* Mastigoteuthis hjorti
* Mastigoteuthis magna
* Mastigoteuthis microlucens
* Mastigoteuthis psychrophila
* Mastigoteuthis pyrodes
* Mastigoteuthis tyroi

#### Enoploteuthids

* Abralia armata
* Abralia astrolineata
* Abralia dubia
* Abralia fasciolata
* Abralia grimpei
* Abralia heminuchalis
* Abralia marisarabica
* Abralia multihamata
* Abralia omiae
* Abralia renschi
* Abralia robsoni
* Abralia siedleckyi
* Abralia spaercki
* Abraliopsis atlantica
* Abraliopsis chuni
* Abraliopsis hoylei
* Abraliopsis tui
* Enoploteuthis chunii
* Enoploteuthis galaxias
* Enoploteuthis magnoceani
* Enoploteuthis octolineata
* Enoploteuthis semilineata

#### Hooked squids

* Callimachus rancureli
* Callimachus youngorum
* Kondakovia nigmatullini
* Notonykia africanae
* Notonykia nesisi
* Onychoteuthis aequimanus
* Onychoteuthis banksii
* Onychoteuthis bergii
* Onychoteuthis borealijaponica
* Onychoteuthis compacta
* Onychoteuthis lacrima
* Onychoteuthis meridiopacifica
* Onychoteuthis mollis
* Onychoteuthis prolata
* Onykia aequatorialis
* Onykia carriboea
* Onykia indica
* Onykia robusta

#### Chiroteuthids

* Asperoteuthis lui
* Asperoteuthis mangoldae
* Asperoteuthis nesisi
* Planctoteuthis exopthalmica
* Planctoteuthis levimana
* Planctoteuthis lippula
* Planctoteuthis oligobessa

#### Cranchiids

* 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

#### Octopoteuthids

* Octopoteuthis danae
* Octopoteuthis deletron
* Octopoteuthis indica
* Octopoteuthis megaptera
* Octopoteuthis nielseni
* Octopoteuthis rugosa
* Octopoteuthis sicula

#### Other Oegopsina species

* Brachioteuthis behnii
* Brachioteuthis linkovskyi
* Brachioteuthis riisei
* Humboldt squid (Dosidicus gigas)
* Eogonatus tinro
* Gonatopsis japonicus
* Gonatus oregonensis
* Gonatus ursabrunae
* Histioteuthis berryi
* Histioteuthis celetaria
* Histioteuthis inermis
* Histioteuthis pacifica
* Lycoteuthis springeri
* Magnapinna atlantica
* Magnapinna pacifica
* Narrowteuthis nesisi
* Nematolampas regalis
* Nematolampas venezuelensis
* Nototeuthis dimegacotyle
* Promachoteuthis megaptera
* Promachoteuthis sloani
* Promachoteuthis sulcus
* Pterygioteuthis hoylei
* Pyroteuthis serrata

### Bathyteuthida

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