Athenerian Burrowing Anemones

Edwardsiidae with body divisible into physa, scapus, and capitulum; physa short, ampullaceous, without nemathybomes or periderm. Scapus long, with batteries of nematocysts (nemathybomes) sunk into mesoglea. Tentacles at least 12, inner shorter than outer ones. Only eight perfect mesenteries fertile and with filaments. Retractors very strong, diffuse to restricted reniform, parietal muscles well developed. Cnidom: spirocysts, basitrichs, microbasic b-, p-, and t-mastigophores, pterotrichs.

Edwardsia is a genus of sea anemones, the type of the family Edwardsiidae. They have eight mesenteries and live in tubes in the sand. The name, in Neo-Latin, commemorates the French zoologist Henri Milne-Edwards.

The genus contains the following species:

Edwardsia allmani McIntosh, 1866 Edwardsia alternobomen Izumi & Fujita, 2019 Edwardsia andresi Danielssen, 1890 Edwardsia annamensis Carlgren, 1943 Edwardsia arctica Carlgren, 1921 Edwardsia arenosa Klunzinger, 1877 Edwardsia athalyei England, 1990 Edwardsia beautempsii Quatrefages, 1842 Edwardsia californica (McMurrich, 1913) Edwardsia capensis Carlgren, 1938 Edwardsia carlgreni Carlgren, 1921 Edwardsia claparedii (Panceri, 1869) Edwardsia clavata (Rathke, 1843) Edwardsia collaris Stimpson, 1856 Edwardsia coriacea Moseley, 1877 Edwardsia costata Danielssen, 1890 Edwardsia danica Carlgren, 1921 Edwardsia delapiae Carlgren & Stephenson, 1928 Edwardsia duodecemtentaculata Carlgren, 1931 Edwardsia elegans Verrill, 1869 Edwardsia finmarchica Carlgren, 1921 Edwardsia flaccida Marion, 1882 Edwardsia fusca Danielssen, 1890 Edwardsia goodsiri M'Intosh, 1866 Edwardsia handi Daly & Ljubenkov, 2008 Edwardsia inachi Sanamyan, Sanamyan & Schories, 2015 Edwardsia incerta Carlgren, 1921 Edwardsia isimangaliso Daly et al., 2012 Edwardsia islandica Carlgren, 1921 Edwardsia ivelli Manuel, 1975 Edwardsia japonica Carlgren, 1931 Edwardsia jonesii Seshaiya & Cuttress, 1969 Edwardsia juliae Daly & Ljubenkov, 2008 Edwardsia kameruniensis Carlgren, 1927 Edwardsia longicornis Carlgren, 1921 Edwardsia mammillata Bourne, 1916 Edwardsia maroccana Carlgren, 1931 Edwardsia mcmurrichi Daly & Ljubenkov, 2008 Edwardsia meridionalis Williams, 1981 Edwardsia migottoi Gusmão, Brandão & Daly, 2016 Edwardsia neozelanica Farquhar, 1898 Edwardsia norvegica Carlgren, 1942 Edwardsia novazelanica Farquhar, 1898 Edwardsia octoplax (Sluiter, 1888) Edwardsia octoradiata Carlgren, 1931 Edwardsia olguini Daly & Ljubenkov, 2008 Edwardsia perdita Williams, 1981 Edwardsia profunda Daly & Ljubenkov, 2008 Edwardsia rigida Marion, 1882 Edwardsia rubricollum Stimpson, 1856 Edwardsia rugosa Bourne, 1916 Edwardsia sanctaehelenae Carlgren, 1941 Edwardsia scabra Marion, 1882 Edwardsia sipunculoides (Stimpson, 1853) Edwardsia sojabio Sanamyan N. & Sanamyan K., 2013 Edwardsia sulcata Verrill, 1864 Edwardsia tecta Haddon, 1889 Edwardsia timida Quatrefages, 1842 Edwardsia tinctrix Annandale, 1915 Edwardsia tuberculata Duben & Koren, 1847 Edwardsia vegae Carlgren, 1921 Edwardsia vitrea (Danielssen, 1890) Edwardsia vivipara Carlgren, 1950 Edwardsia willeyana Bourne, 1916