Acromitus Light, 1914 (additional source)
Acromitus flagellatus (Maas, 1903) (additional source)
Actinomyaria (additional source)
Cassiopea Péron & Lesueur, 1810 (additional source)
Cassiopea andromeda (Forskål, 1775) (additional source)
Cassiopeidae Tilesius, 1831 (additional source)
Catostylidae Claus, 1883 (additional source)
Catostylus Agassiz, 1862 (additional source)
Catostylus mosaicus (Quoy & Gaimard, 1824) (additional source)
Catostylus perezi Ranson, 1945 (additional source)
Cephea Péron & Lesueur, 1810 (additional source)
Cephea cephea (Forskål, 1775) (additional source)
Cephea octostyla (Forskål, 1775) (additional source)
Cepheidae Agassiz, 1862 (additional source)
Coronamedusae (additional source)
Coronatae (additional source)
Cotylorhiza Agassiz, 1862 (additional source)
Cotylorhiza erythraea Stiasny, 1920 (additional source)
Crambionella Stiasny, 1921 (additional source)
Crambionella orsini (Vanhöffen, 1888) (additional source)
Daktyliophorae accepted as Dactyliophorae (additional source)
Desmonema gaudichaudi (Lesson, 1830) (additional source)
Eupilema Haeckel, 1880 (additional source)
Eupilema inexpectata Pages, Gili & Bouillon, 1992 (additional source)
Kampylomyaria (additional source)
Kolpophorae (additional source)
Krykomyaria (additional source)
Leptobrachidae Agassiz, 1862 (additional source)
Linuche unguiculata (Swartz, 1788) (additional source)
Lychnorhiza Haeckel, 1880 (additional source)
Lychnorhiza lucerna Haeckel, 1880 (additional source)
Lychnorhizidae Haeckel, 1880 (additional source)
Mastigias Agassiz, 1862 (additional source)
Mastigias gracilis (Vanhöffen, 1888) (additional source)
Mastigias ocellatus (Modeer, 1791) (additional source)
Mastigias papua (Lesson, 1830) (additional source)
Mastigietta Stiasny, 1921 (additional source)
Mastigietta palmipes (Haeckel, 1880) (additional source)
Mastigiidae Stiasny, 1920 (additional source)
Nausithoe aurea Silveira & Morandini, 1997 accepted as Nausithoe maculata Jarms, 1990 (additional source)
Nausithoe maculata Jarms, 1990 (additional source)
Pelagia panopyra Péron & Lesueur, 1810 (additional source)
Rhizostoma Cuvier, 1800 (additional source)
Rhizostoma pulmo (Macri, 1778) (additional source)
Rhizostomatidae Cuvier, 1800 (additional source)
Rhopilema Haeckel, 1880 (additional source)
Rhopilema hispidum (Vanhöffen, 1888) (additional source)
Rhopilema rhopalophorum Haeckel, 1880 (additional source)
Versuriga anadyomene (Maas, 1903) (additional source)