Class: Hydrozoa Owen, 1843
Subclass Hydroidolina Collins & Marques, 2004
Order: Thecata (Leptomedusae) Fleming, 1828
Suborder: Conica Broch, 1910
Suborder: Proboscoida Broch, 1910
Family:Campanulariidae Johnston, 1836
Ortopyxis integra
(MacGillivray, 1842)
Campanularia volubilis
(Linnaeus, 1758)
Gonothyraea loveni
(Allman, 1859)
Obelia longissima
(Pallas, 1766)
Rhizocaulus verticillatus
(Linnaeus, 1758)
Order: Athecata (Anthomedusae) Hincks, 1686