Atolla Haeckel, 1880 (basis of record)
Atolla vanhoeffeni Russell, 1957 (basis of record)
Atolla wyvillei Haeckel, 1880 (basis of record)
Atollidae Hickson, 1906 (basis of record)
Cnidaria incertae sedis (basis of record)
Cyaneidae L. Agassiz, 1862 (basis of record)
Deepstaria Russell, 1967 (basis of record)
Deepstaria enigmatica Russell, 1967 (basis of record)
Haliclystus James-Clark, 1863 (basis of record)
Kishinouyeidae Uchida, 1929 (basis of record)
Lucernaria O. F. Müller, 1776 (basis of record)
Lucernariidae Johnston, 1847 (basis of record)
Lucernariopsis Uchida, 1929 accepted as Calvadosia James-Clark, 1863 (basis of record)
Nausithoe Kölliker, 1853 (basis of record)
Nausithoe punctata Kölliker, 1853 (basis of record)
Nausithoidae Haeckel, 1880 (basis of record)
Pelagia Péron & Lesueur, 1810 (basis of record)
Pelagia noctiluca (Forsskål, 1775) (basis of record)
Pelagiidae Gegenbaur, 1856 (basis of record)
Periphylla F. Müller, 1861 (basis of record)
Periphylla periphylla (Péron & Lesueur, 1810) (basis of record)
Periphyllidae Haeckel, 1880 (basis of record)
Poralia Vanhöffen, 1902 (basis of record)
Poralia rufescens Vanhöffen, 1902 (basis of record)
Scyphozoa (basis of record)
Semaeostomeae (basis of record)
Stauromedusae (basis of record)
Stygiomedusa Russell, 1959 (basis of record)
Stygiomedusa gigantea (Browne, 1910) (basis of record)
Tetraplatia Busch, 1851 (basis of record)
Tetraplatia volitans Busch, 1851 (basis of record)
Ulmaridae Haeckel, 1880 (basis of record)