URMO Taxon list
Cassiopea andromeda (Forskål, 1775)
Cassiopea depressa Haeckel, 1880
Cassiopea frondosa (Pallas, 1774)
Cassiopea medusa Light, 1914
Cassiopea mertensi (Brandt, 1838)
Cassiopea ndrosia Agassiz & Mayer, 1899
Cassiopea ornata Haeckel, 1880
Cassiopea picta Vanhöffen, 1888 accepted as Cassiopea andromeda (Forskål, 1775)
Cassiopea vanderhorsti Stiasny, 1924
Cassiopea xamachana Bigelow, 1892
Cephea cephea (Forskål, 1775)
Cephea coerulea Vanhöffen, 1902
Cephea conifera Haeckel, 1880
Cephea octostyla (Forskål, 1775)
Cotylorhiza ambulacrata Haeckel, 1880
Cotylorhiza erythraea Stiasny, 1920
Cotylorhiza pacifica Mayer, 1915 (uncertain > nomen dubium )
Cotylorhiza tuberculata (Macri, 1778)
Leptobrachia leptopus (Chamisso & Eysenhardt, 1821)
Mastigias albipunctata Stiasny, 1920
Mastigias andersoni Stiasny, 1926
Mastigias gracilis (Vanhöffen, 1888)
Mastigias ocellatus (Modeer, 1791)
Mastigias pantherina Haeckel, 1880
Mastigias papua (Lesson, 1830)
Mastigias roseus (Reynaud, 1830)
Mastigias sidereus Chun, 1896
Mastigietta palmipes (Haeckel, 1880)
Netrostoma coerulescens Maas, 1903
Netrostoma dumokuroa (Agassiz & Mayer, 1899)
Netrostoma setouchianum (Kishinouye, 1902)
Netrostoma typhlodendrium Schultze, 1898 accepted as Netrostoma coerulescens Maas, 1903
Phyllorhiza luzoni Mayer, 1915
Phyllorhiza pacifica (Light, 1921)
Phyllorhiza peronlesueuri Goy, 1990 accepted as Phyllorhiza pacifica (Light, 1921)
Phyllorhiza punctata von Lendenfeld, 1884
Polyrhiza vesiculosa (Ehrenberg, 1837)
Thysanostoma flagellatum (Haeckel, 1880)
Thysanostoma loriferum (Ehrenberg, 1837)
Thysanostoma thysanura Haeckel, 1880
Versuriga anadyomene (Maas, 1903)