Body divisible into physa, scapus, scapulus and capitulum; the aboral part, physa, short, ampullaceous, without nemathybomes. Scapus long with batteries of nematocysts (nemathybomes) sunk in the mesogloea. Tentacles at least 12, shorter or longer, the inner shorter than the outer ones. A weak ventral siphonoglyph. 8 perfect mesenteries (macrocnemes) and at least 4 imperfect, very weak ones in the most distal part of the body. Retractors very strong, diffuse to restricted reniform, parietal muscles well developed. Only the 8 perfect mesenteries fertile and with filaments. Cnidom: spirocysts, basitrichs, microbasic b- and p-mastigophors.
E. beautempsi Quatrefages 1842
E. arctica Carlgren 1921
E. vegae Carlgren 1921
Edwardioides vitrea Danielssen 1890
E. fusca Danielssen 1890
E. finmarchica Carlgren 1921
E. islandica Carlgren 1921
E. andresi Danielssen 1890
E. costata Danielssen 1890
E. incerta Carlgren 1921
E. tuberculata Dueben and Koren 1847
E. norvegica Carlgren 1942
E. longicorais [sic] Carlgren 1921
E. pallida Carlgren 1921
E. danica Carlgren 1921
Scolanthus callimorpha Gosse 1853
E. delapii Carlgren and Stephenson 1928
E. callianthus Rawlinson 1935
E. tecta Haddon 1889
E. allmanni Mc Intosh [sic] 1865
E. goodsiri Mc Intosh [sic] 1865
E. harassei Quatrefages 1842
E. timida Quatrefages 1842
E. Fischeri [sic] Chevreux and de Guerne no date
E. janthina Andres 1880
E. maroccana Carlgren 1931
Actinia sipunculoides Stimpson 1853
?Halcampa sulcata Verrill 1864
E. elegans Verrill 1869
E. sp. Mark 1884
E. horstii p. p. Pax 1924
E. kameruniensis Carlgren 1927
E. Sanctae Helenae [sic] Carlgren 1941
E. capensis Carlgren 1938
E. intermedia Mc Murrich [sic] 1893
E. pudica Klunzinger 1877
E. tinctrix Annandale 1915
E. annamensis Carlgren 1943
E. japonica Carlgren 1931
E. octoradiata Carlgren 1931
E. mamillata Bourne 1916
E. rugosa Bourne 1916
E. vermiformis Bourne 1916
E. rekaiyae Bourne 1916
E. willeyana Bourne 1916
E. gilbertensis Carlgren 1931
E. stephensoni Carlgren n. sp.
E. bocki Carlgren 1931
E. 12-tentaculata Carlgren 1931
E. armata Carlgren 1931
E. tricolor Stuckey 1908
E. neozelanica Farquahar [sic] 1898
E. ignota Stuckey 1909
E. carneola Verrill 1928
E. californica Mc Murrich [sic] 1913
Definitions and contained taxa are those of Oscar Carlgren as published in 1949 : Kungl Svenska Vetenskapsakadamiens Handlingar, Series 4, Volume 1, Number 1