URMO Taxon list
Corydendrium album Hirohito, 1988
Corydendrium brevicaulis Hirohito, 1988
Corydendrium corrugatum Nutting, 1906 (uncertain > taxon inquirendum )
Corydendrium dispar Kramp, 1935
Corydendrium flabellatum Fraser, 1938
Corydendrium fruticosum Fraser, 1914
Corydendrium parasiticum (Linnaeus, 1767)
Corydendrium splendidum Boone, 1938 accepted as Pennaria disticha Goldfuss, 1820
Merona cornucopiae (Norman, 1864)
Merona ibera Medel, García-Gómez & Bouillon, 1993
Merona laxa (Fraser, 1938)
Merona nematophorum (Antsulevich, 1986) accepted as Similomerona nematophora (Antsulevich, 1986)
Merona operculata Watson, 1978
Oceania armata Kölliker, 1853
Oceania ducalis Forbes & Goodsir, 1853 (uncertain > taxon inquirendum )
Oceania globulosa Forbes, 1848 (uncertain > taxon inquirendum )
Oceania tydemani Bleeker & van der Spoel, 1988 accepted as Oceania armata Kölliker, 1853
Rhizogeton conicum Schuchert, 1996
Rhizogeton ezoense Yamada, 1964
Rhizogeton fusiformis L. Agassiz, 1862
Rhizogeton nudum Broch, 1910 accepted as Rhizogeton nudus Broch, 1910
Rhizogeton nudus Broch, 1910
Rhizogeton sterreri (Calder, 1988)
Similomerona nematophora (Antsulevich, 1986)
Tubiclava laxa Fraser, 1938 accepted as Merona laxa (Fraser, 1938)
Tubiclava lucerna Allman, 1863 (uncertain > taxon inquirendum )
Tubiclava triserialis Fraser, 1938 (uncertain > nomen dubium )
Turritopsis chevalense (Thorneley, 1904) accepted as Oceania armata Kölliker, 1853
Turritopsis dohrnii (Weismann, 1883)
Turritopsis fascicularis Fraser, 1943 accepted as Oceania armata Kölliker, 1853
Turritopsis lata Lendenfeld, 1885
Turritopsis minor (Nutting, 1906)
Turritopsis nutricula McCrady, 1857
Turritopsis pacifica Maas, 1909
Turritopsis pleurostoma (Péron & Lesueur, 1810) (uncertain > taxon inquirendum )
Turritopsis polycirrha (Keferstein, 1862)
Turritopsis rubra (Farquhar, 1895)
Turritopsoides brehmeri Calder, 1988