URMO Taxon list
Adelopora crassilabrum Cairns, 1991
Adelopora fragilis Cairns, 1991
Adelopora moseleyi Cairns, 1991
Adelopora pseudothyron Cairns, 1982
Allorathkea ankeli Schmidt, 1972
Allorathkea macrogastrica (Xu & Huang, 1990)
Amphinema australis (Mayer, 1900) (uncertain > taxon inquirendum )
Amphinema biscayana (Browne, 1907)
Amphinema cheshirei Gershwin & Zeidler, 2003
Amphinema dinema (Péron & Lesueur, 1810)
Amphinema krampi Russell, 1956
Amphinema modernisme Bouillon et al., 2000
Amphinema physophorum (Uchida, 1927)
Amphinema platyhedos Arai & Brinckmann-Voss, 1983
Amphinema rollinsi Widmer, 2007
Amphinema rubrum (Kramp, 1957)
Amphinema rugosum (Mayer, 1900)
Amphinema rugosum shantungensis Chow & Huang, 1958 accepted as Amphinema rugosum (Mayer, 1900)
Amphinema tsingtauensis Kao, Li, Chang & Li, 1958
Amphinema turrida (Mayer, 1900)
Annatiara affinis (Hartlaub, 1914)
Annatiara lempersi Bleeker & van der Spoel, 1988 accepted as Annatiara affinis (Hartlaub, 1914)
Aselomaris arenosa (Alder, 1862) accepted as Rhizorhagium arenosum (Alder, 1862)
Aselomaris michaeli Berrill, 1948 accepted as Pachycordyle michaeli (Berrill, 1948)
Astya aspidopora Cairns, 1991
Astya subviridis (Moseley, 1879)
Atractylis bitentaculata Wright, 1867 (uncertain > taxon inquirendum )
Australomedusa baylii Russell, 1970
Australomedusa thrombolites Zeidler & Gershwin, 2004
Balella irregularis (Fraser, 1938) accepted as Balella mirabilis (Nutting, 1906)
Balella mirabilis (Nutting, 1906)
Barnettia caprai Schuchert, 1996
Bimeria australis Blackburn, 1937
Bimeria crassa Stechow, 1923 accepted as Garveia crassa (Stechow, 1923)
Bimeria currumbinensis Pennycuik, 1959 (uncertain > taxon inquirendum )
Bimeria fluminalis Annandale, 1915
Bimeria humilis Allman, 1877 accepted as Bimeria vestita Wright, 1859
Bimeria laxa Fraser, 1938 accepted as Garveia laxa (Fraser, 1938)
Bimeria rigida Warren, 1919
Bimeria robusta Torrey, 1902 accepted as Garveia robusta (Torrey, 1902)
Bimeria tunicata Fraser, 1943 accepted as Garveia franciscana (Torrey, 1902) accepted as Calyptospadix cerulea Clarke, 1882
Bimeria vestita Wright, 1859
Bougainvillia aberrans Calder, 1993
Bougainvillia alderi (Hodge, 1863) accepted as Bougainvillia muscus (Allman, 1863)
Bougainvillia aurantiaca Bouillon, 1980
Bougainvillia balei Stechow, 1924 (uncertain > taxon inquirendum )
Bougainvillia bitentaculata Uchida, 1925
Bougainvillia bougainvillei (Brandt, 1835) (uncertain > taxon inquirendum )
Bougainvillia britannica (Forbes, 1841)
Bougainvillia carolinensis (McCrady, 1859)
Bougainvillia charcoti Le Danois, 1913 accepted as Nemopsis bachei L. Agassiz, 1849
Bougainvillia crassa Fraser, 1938
Bougainvillia dimorpha Schuchert, 1996
Bougainvillia frondosa Mayer, 1900
Bougainvillia fulva Agassiz & Mayer, 1899, sensu Kramp, 1968
Bougainvillia glorietta Torrey, 1904 (uncertain > taxon inquirendum )
Bougainvillia inaequalis Fraser, 1944 (uncertain > taxon inquirendum )
Bougainvillia involuta Uchida, 1947
Bougainvillia longicirra Stechow, 1914 (uncertain > taxon inquirendum )
Bougainvillia longistyla Xu & Huang, 2004
Bougainvillia macloviana Lesson, 1830
Bougainvillia meinertiae Jäderholm, 1923
Bougainvillia multicilia (Haeckel, 1879) (uncertain > taxon inquirendum )
Bougainvillia multitentaculata Foerster, 1923
Bougainvillia muscoides (Sars, 1846)
Bougainvillia muscus (Allman, 1863)
Bougainvillia nigritella Forbes, 1848 accepted as Bougainvillia muscoides (Sars, 1846)
Bougainvillia niobe Mayer, 1894
Bougainvillia paraplatygaster Xu, Huang & Chen, 1991
Bougainvillia platygaster (Haeckel, 1879)
Bougainvillia principis (Steenstrup, 1850)
Bougainvillia prolifera (von Lendenfeld, 1885) (uncertain > taxon inquirendum )
Bougainvillia pyramidata (Forbes & Goodsir, 1853)
Bougainvillia robusta (Fraser, 1938) (uncertain > taxon inquirendum )
Bougainvillia rugosa Clarke, 1882
Bougainvillia simplex (Forbes & Goodsir, 1853) (uncertain > taxon inquirendum )
Bougainvillia superciliaris (L. Agassiz, 1849)
Bougainvillia trinema (von Lendenfeld, 1885) (uncertain > taxon inquirendum )
Bougainvillia vervoorti Bouillon, 1995
Bouillonactinia carcinicola (Hiro, 1939)
Bouillonactinia hooperii (Sigerfoos, 1899)
Bouillonactinia misakiensis (Iwasa, 1934)
Bouillonactinia multigranosi (Namikawa, 1991)
Bythocellata cruciformis Nair, 1951
Bythotiara capensis Pagès, Bouillon & Gili, 1991
Bythotiara depressa Naumov, 1960
Bythotiara drygalskii Vanhöffen, 1912
Bythotiara huntsmani (Fraser, 1911)
Bythotiara metschnikovii Bouillon, Boero & Seghers, 1988
Bythotiara murrayi Günther, 1903
Bythotiara parasitica (Kirk, 1915)
Bythotiara stilbosa Mills & Rees, 1979
Calycopsis bigelowi Vanhöffen, 1911
Calycopsis birulai (Linko, 1913) accepted as Eumedusa birulai (Linko, 1913)
Calycopsis borchgrevinki (Browne, 1910)
Calycopsis chuni Vanhöffen, 1911
Calycopsis gara Petersen, 1957
Calycopsis krampi Petersen, 1957
Calycopsis lipi van der Spoel & Bleeker, 1988
Calycopsis nematophora Bigelow, 1913