Ea
- Eastonia
- Eatoniella
- Eatoniellidae
- Eatonina
Eb
- Ebala
- Eburna
Ec
- Eccliseogyra
- Echineulima
- Echinocorambe
- Echinogurges
- Echinolittorina
- Echinopelta
- Echinophoria
- Echinopsole
- Echiuroidicola
- Echonitor
- Echyridella
- Eclipsena
- Eclogavena
- Ecrobia
- Ectenagena
Eg
- Egeria
- Egesta
- Egestas
- Egila
- Egilina
- Egilomen
- Eglisia
Ek
- Ekadanta
- Ektonos
El
- Elachisina
- Elachisinidae
- Elachorbis
- Elaeocyma
- Elasmias
- Electroma
- Eledone
- Eledonella
- Eleutheromenia
- Elimia
- Eliotia
- Ellatrivia
- Ellipsaria
- Elliptio
- Elliptiolucina
- Elliptoideus
- Ellobiidae
- Ellobioidea
- Ellobium
- Ellsiphon
- Elongaria
- Elsothera
- Elysia
- Elysiobranchus
Em
- Emarcusia
- Emarginella
- Emarginula
- Emblanda
- Emblandidae
- Embletonia
- Embletoniidae
- Emiliotia
- Emmericia
- Emozamia
- Empressostrea
En
- Enaeta
- Enatimene
- Endemoconus
- Engina
- Enginella
- Engoniophos
- Enida
- Enidae
- Enigmaticolus
- Enigmavasum
- Enigmerces
- Enigmonia
- Ennucula
- Enoidea
- Enoplochiton
- Enoploteuthidae
- Enoploteuthis
- Enotepteron
- Ensiculus
- Ensidens
- Ensis
- Ensitellops
- Entalina
- Entalinidae
- Entalinopsis
- Entemnotrochus
- Enteroctopus
- Enteroxenos
- Entocolax
- Entoconcha
- Entodesma
- Entoliidae
- Entonomenia
- Entovalva
Eo
- Eoacmaea
- Eoacmaeidae
- Eoacmaeoidea
- Eolepton
- Eomiltha
- Eontia
- Eopseuma
†Eoradiolites Douvillé 1909
- †Eoradiolites liratus Conrad 1852
- †Eoradiolites murgensis Torre 1965
- †Eoradiolites plicatus Conrad 1852
- †Eoradiolites rousseli Toucas 1907
- †Eoradiolites triangularis d'Orbigny 1847
Mollusca → Bivalvia → Hippuritida → Radiolitidae
- Eosipho
Ep
- Ephippodonta
- Ephippodontomorpha
- Epicodakia
- Epideira
- Epidendrium
- Epidirona
- Epidulcina
Epiglypta Pilsbry, 1893
- Epiglypta howinsulae Cox, 1873
Mollusca → Gastropoda → Pulmonata → Helicarionoidea → Helicarionidae → Helicarioninae
- Epigridae
- Epigrus
- Epiherpia
- Epilepton
- Epilucina
- Epimenia
- Epimeniidae
- Epinicium
- Epioblasma
- Epirhabdoides
- Episcynia
- Episiphon
- Epitoniidae
- Epitonioidea
- Epitonium
Eq
- Equichlamys
Er
- Erato
- Eratoena
- Eratoidea
- Ercolania
Erepta Albers, 1850
- Erepta nevilli Adams, 1867
- Erepta odontina Morelet, 1851
- Erepta stylodon Pfeiffer, 1842
Mollusca → Gastropoda → Pulmonata → Helicarionoidea → Helicarionidae → Helicarioninae
- Ergalatax
- Erginus
- Ericusa
- Erinna
- Erodona
- Erodonidae
- Erosaria
- Erronea
- Ersilia
- Ervilia
- Erycina
Es
- Escalima
- Esmeralda
- Esperiana
- Estellacar
Et
- Ethalia
- Ethaliella
- Etheria
- Etheriidae
- Ethminolia
- Etrema
- Etremopa
- Etremopsis
Eu
- Eualetes
- Euanodontia
Euaxoctopus Voss, 1971
- Euaxoctopus panamensis Voss, 1971
- Euaxoctopus pillsburyae Voss, 1975
- Euaxoctopus scalenus (Hoyle, 1904)
Mollusca → Cephalopoda → Octopoda → Incirrata → Octopodoidea → Octopodidae
- Eubela
- Eubranchidae
- Eubranchopsis
- Eubranchus
- Euchelus
- Euciroa
- Euciroidae
- Eucithara
- Euclathurella
- Eucleoteuthis
- Eucorys
- Eucrassatella
- Eucyclotoma
- Eudaronia
- Eudentalium
- Eudolium
- Eudoxochiton
- Eufistulana
- Eugaimardia
- Eulepetopsis
- Eulima
- Eulimastoma
- Eulimella
- Eulimidae
- Eulimoidea
- Eulimostraca
- Eulithidium
- Eulitoma
- Eumarcia
- Eumetula
- Eumitra
- Eunaticina
Eungarion Stanisic, 1993
- Eungarion mcdonaldi Stanisic, 1993
Mollusca → Gastropoda → Pulmonata → Helicarionoidea → Helicarionidae
- Euparthenia
- Eupera
- Eupleura
- Euplica
- Euprotomus
- Euprymna
- Eurathea
- Eurhomalea
- Europicardium
- Euryentmema
- Eurytellina
- Eurytrochus
- Euseila
- Euselenops
- Eusetia
- Euspira
- Eussoia
- Euterebra
- Euthrenopsis
- Euthria
- Euthriostoma
- Euthymella
- Euthymia
- Eutriphora
- Euvola
- Euxinipyrgula
Ev
- Evalea
Ex
- Excellaoma
- Excellichlamys
- Exesilla
- Exilia
- Exiligada
- Exilioidea
- Eximiorhagada
- Exomilopsis
- Exomilus
- Exosiperna
- Exotica
- Expocystis
- Extra
Ey
- Eyriesia