URMO Taxon list
Actinernus antarcticus (Carlgren, 1914)
Actinernus elongatus (Hertwig, 1882)
Actinernus michaelsarsi Carlgren, 1918
Actinernus nobilis Verrill, 1879
Actinernus robustus (Hertwig, 1882)
Carlgrenia desiderata Stephenson, 1918
Drillactis leucomelos (Parry, 1951)
Drillactis pallida (Verrill, 1880)
Edwardsia allmani McIntosh, 1866 accepted as Edwardsia allmanni McIntosh, 1865
Edwardsia allmanni McIntosh, 1865
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 Williams, 1981
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, 1906
Edwardsia fusca Danielssen, 1890
Edwardsia goodsiri M'Intosh, 1866
Edwardsia hantuensis England, 1987 (unaccepted > nomen nudum )
Edwardsia horstii Pax, 1924 accepted as Scolanthus curacaoensis (Pax, 1924)
Edwardsia intermedia McMurrich, 1893 accepted as Scolanthus intermedius (McMurrich, 1893)
Edwardsia islandica Carlgren, 1921
Edwardsia ivelli Manuel, 1975
Edwardsia japonica Carlgren, 1931
Edwardsia jonesii Seshaiya & Cuttress, 1969
Edwardsia kameruniensis Carlgren, 1927
Edwardsia leidyi Verrill, 1898 accepted as Edwardsiella lineata (Verrill in Baird, 1873)
Edwardsia leucomelos Parry, 1951 accepted as Drillactis leucomelos (Parry, 1951)
Edwardsia longicornis Carlgren, 1921
Edwardsia mammillata Bourne, 1916
Edwardsia maroccana Carlgren, 1931
Edwardsia meridionalis Williams, 1981
Edwardsia neozelanica Farquhar, 1898
Edwardsia norvegica Carlgren, 1942
Edwardsia octoplax (Sluiter, 1888)
Edwardsia octoradiata Carlgren, 1931
Edwardsia rekaiyae Bourne, 1916 accepted as Edwardsianthus pudicus (Klunzinger, 1877)
Edwardsia rigida Marion, 1906
Edwardsia rubricollum Stimpson, 1856
Edwardsia rugosa Bourne, 1916
Edwardsia sanctaehelenae Carlgren, 1941
Edwardsia scabra Marion, 1906
Edwardsia sipunculoides (Stimpson, 1853)
Edwardsia sulcata Verrill, 1864
Edwardsia timida Quatrefages, 1842
Edwardsia tinctrix Annandale, 1915
Edwardsia tuberculata Dueben & Koren, 1847
Edwardsia vegae Carlgren, 1921
Edwardsia vitrea (Danielssen, 1890)
Edwardsia vivipara Carlgren, 1950
Edwardsia willeyana Bourne, 1916
Edwardsianthus gilbertensis (Carlgren, 1931)
Edwardsianthus pudica (Klunzinger, 1877) accepted as Edwardsianthus pudicus (Klunzinger, 1877)
Edwardsianthus pudicus (Klunzinger, 1877)
Edwardsiella carnea (Gosse, 1856)
Edwardsiella ignota (Carlgren, 1959)
Edwardsiella janthina (Andrès, 1881)
Edwardsiella lineata (Verrill in Baird, 1873)
Edwardsiella loveni (Carlgren, 1892)
Edwardsioides japonica Carlgren, 1931 accepted as Edwardsia japonica Carlgren, 1931
Edwardsioides mamillata (Bourne, 1916) accepted as Edwardsia mammillata Bourne, 1916
Fagesia carnea (Gosse, 1856) accepted as Edwardsiella carnea (Gosse, 1856)
Fagesia dixoni (Carlgren, 1921) accepted as Edwardsia timida Quatrefages, 1842
Fagesia janthina (Andrès, 1880) accepted as Edwardsiella janthina (Andrès, 1881)
Fagesia loveni (Carlgren, 1892) accepted as Edwardsiella loveni (Carlgren, 1892)
Halcampogeton papillosus Carlgren, 1937
Halcarnpogeton papillosus Carlgren, 1937 accepted as Halcampogeton papillosus Carlgren, 1937
Halcurias capensis Carlgren, 1928
Halcurias carlgreni McMurrich, 1901 accepted as Isohalcurias carlgreni (McMurrich, 1901)
Halcurias endocoelactis Stephenson, 1918
Halcurias minimus Carlgren, 1928
Halcurias pilatus McMurrich, 1893
Halcurias sudanensis Riemann-Zürneck, 1983
Isactinernus quadrilobatus Carlgren, 1918
Isoedwardsia ignota Carlgren, 1920
Isoedwardsia ingolfi Carlgren, 1921
Isohalcurias carlgreni (McMurrich, 1901)
Nematostella nathorstii (Carlgren, 1921)
Nematostella polaris (Carlgren, 1921)
Nematostella vectensis Stephenson, 1935
Paraedwardsia abyssorum Carlgren, 1951
Paraedwardsia arenaria Carlgren in Nordgaard, 1905
Paraedwardsia cretata (Stimpson, 1856)
Paraedwardsia lemchei Carlgren, 1956
Paraedwardsia sarsii (Dueben & Koren, 1847)
Scolanthus armatus (Carlgren, 1931)