Ea
- Earleria
Ec
- Echinisis
- Echinogorgia
- Echinomorpha
- Echinomuricea
- Echinophyllia
- Echinopora
- Echinoptilidae
- Echinoptilum
†Eckastraea Morycowa 1988
- †Eckastraea prisca Weissermel 1925
Cnidaria → Anthozoa → Zoantharia → Scleractinia
- Ectopleura
Ed
- Edwardsia
- Edwardsianthus
Edwardsiella Andres, 1883
- Edwardsiella andrillae Daly et al., 2013, novootkrivena vrsta[1], [2]
- Edwardsiella carnea (Gosse, 1856)
- Edwardsiella dixonii (Carlgren, 1921)
- Edwardsiella ignota (Carlgren, 1959)
- Edwardsiella janthina (Andrès, 1881)
- Edwardsiella lineata (Verrill in Baird, 1873)
- Edwardsiella loveni (Carlgren, 1893)
Cnidaria → Anthozoa → Actiniaria → Edwardsiidae
Porodica Edwardsiidae Andres, 1881
- Rodovi: Drillactis, Edwardsia, Edwardsianthus, Edwardsiella, Halcampogeton, Isoedwardsia, Metedwardsia, Nematostella, Palombiella, Paraedwardsia, Scolanthus, Synhalcampella
Cnidaria → Anthozoa → Actiniaria → Nynantheae → Athenaria
Ef
- Efflatounaria
Eg
- Egmundella
- Eguchipsammia
Ei
- Eirene
Porodica Eirenidae Haeckel, 1879
- Eirene Eschscholtz, 1829
- Eugymnanthea Palombi, 1936
- Eutima McCrady, 1859
- Eutimalphes Haeckel, 1879
- Eutonina Hartlaub, 1897
- Helgicirrha Hartlaub, 1909
- Irenium Haeckel, 1879
- Neotima Petersen, 1962
- Phialopsis Torrey, 1909
- Tima Eschscholtz, 1829
Cnidaria → Hydrozoa → Hydroidolina → Leptothecata
Ek
- Eknomisis
El
- Elasmogorgia
- Elatopathes
- Elbeenus
- Eleutheria
- Eleutherobia
- Ellisella
- Ellisellidae
- Eltaninactis
En
- Enallopsammia
- Endocyathopora
- Endopachys
- Endopsammia
- Engodactylactis
- Enigmopora
- Enneagonum
Eo
†Eofletcheria Bassler 1950
- †Eofletcheria sculpta Khayznikova 1989
Cnidaria → Anthozoa → Sarcinulida → Syringophyllidae → Lyoporinae
Ep
- Eperetmus
- Epiactis
- Epiparactis
- Epiphaxum
- Epiphellia
- Epizoanthidae
- Epizoanthus
Er
- Erenna
- Erennidae
- Ericiocyathus
- Errina
- Errinopora
- Errinopsis
- Erythrastrea
- Erythropodium
Eu
- Eucheilota
- Eucodoniidae
- Eucodonium
- Eucuspidella
- Eudendriidae
- Eudendrium
- Eudoxoides
- Eugorgia
- Eugymnanthea
- Eunephthya
- Eunicea
- Eunicella
- Euphellia
- Euphyllia
- Euphyllidae
- Euphysa
- Euphysilla
- Eupilema
- Euplexaura
- Eusmilia
- Eutiara
- Eutima
- Eutimalphes
- Eutonina
Ex
- Exocoelactiidae
- Exocoelactis