Ebalia bryerii Leach, 1817 – synonym of Ebalia tumefacta
Ebalia pennantii Leach, 1817 – synonym of Ebalia tuberosa
Echinogammarus marinus Auct. – synonym of Gammarus marinus
Elasmopus latipes Boeck, 1871 – synonym of Elasmopus rapax
Erichthonius difformis Sars, 1894 – synonym of Ericthonius difformis
Erichthonius hunteri Sars, 1894 – synonym of Ericthonius difformis
Ericthonius hunteri Stebbing, 1906 – synonym of Ericthonius difformis
Eriopis elongata Bruzelius, 1859 – synonym of Eriopisa elongata
Eriopisa elongata Sars, 1894 – synonym of Eriopisa elongata
Erythrops goësii G.O. Sars, 1870 – synonym of Erythrops erythrophthalma
Erythrops pygmaea G.O. Sars, 1870 – synonym of Erythrops elegans
Eualus obsus Thallwitz, 1892 – synonym of Eualus gaimardii
Eucythere argus Brady, 1868 – synonym of Eucythere argus
Eucythere undulata Klie, 1929 – synonym of Eucythere argus
Eucytheridea bairdii Kollman, 1960 – synonym of Sarsicytheridea bradii
Eucytheridea bradii Van den Bold, 1961 – synonym of Sarsicytheridea bradii
Eucytheridea punctillata Van den Bold, 1961 – synonym of Sarsicytheridea punctillata
Eudora truncatula Bate, 1856 – synonym of Eudorella truncatula
Eugerda globiceps Meinert – synonym of Desmosoma tenuimanu
Eugerda tenuimana Sars, 1865 – synonym of Desmosoma tenuimanu
Eulimnogammarus obtusatus Stock, 1969 – synonym of Gammarus obtusatus
Eupagurus chiroacanthus Norman, 1886 – synonym of Anapagurus chiroacanthus
Eupagurus hyndmanni Stimpson, 1858 – synonym of Anapagurus hyndmanni
Eupagurus hyndmanni Stimpson, 1907 – synonym of Anapagurus hyndmanni
Euphausia inermis G.O. Sars, 1883 – synonym of Thysanoessa inermis
Euphausia intermedia Riggio, 1905 – synonym of Meganyctiphanes norvegica
Euphausia lanei Holt and Tattersall, 1905 – synonym of Meganyctiphanes norvegica
Euphausia raschii G.O. Sars, 1883 – synonym of Thysanoessa raschii
Eupheus talpa Desmarest, 1825 – synonym of Apseudes talpa
Eurynome aspera var. tenuicornis Lagerberg, 1908 – synonym of Eurynome spinosa
Eurynome boletifera Costa, 1838 – synonym of Eurynome aspera
Eurynome scutellata Riso, 1827 – synonym of Eurynome aspera
Eurynome tenuicornis Malm, 1861 – synonym of Eurynome spinosa
Eurystheus erythrophthalmus Bate, 1862 – synonym of Gammaropsis maculata
Eurystheus maculatus Stebbing, 1906 – synonym of Gammaropsis maculata
Eurystheus palmatus Stebbing, 1906 – synonym of Gammaropsis palmata
Eurystheus tridentatus Bate, 1856 – synonym of Gammaropsis maculata