介螅水母属
下属物种

本属包括以下物种：
Hydractinia aculeata (Wagner, 1833)
Hydractinia aggregata Fraser, 1911
Hydractinia altispina Millard, 1955
Hydractinia americana (Edwards, 1972)
Hydractinia anechinata (Ritchie, 1907)
Hydractinia angusta Hartlaub, 1904
Hydractinia apicata (Kramp, 1959)
Hydractinia arctica (Jäderholm, 1902)
Hydractinia areaolata Alder, 1862
Hydractinia arge (Clarke, 1882)
Hydractinia armata Fraser, 1940
Hydractinia bayeri Hirohito, 1984
Hydractinia betkensis (Watson, 1978)
Hydractinia brachyurae (Hirohito, 1988)
Hydractinia californica Torrey, 1904
Hydractinia canalifera Millard, 1957
Hydractinia carica Bergh, 1887
Hydractinia carolinae Fraser, 1912
Hydractinia constrictura Huang, Xu & Guo, 2015
Hydractinia cretacea Fischer, 1867
Hydractinia cryptogonia Hirohito, 1988
Hydractinia cytaeiformis Vervoort, 2006
Hydractinia denhami (Thornely, 1904)
Hydractinia diogenes Millard, 1959
Hydractinia disjuncta Fraser, 1938
Hydractinia dongshanensis Xu & Huang, 2006
Hydractinia dubia (Mayer, 1900)
Hydractinia echinata (Fleming, 1828)
Hydractinia epidocleensis Leloup, 1931
Hydractinia epispongia Fraser, 1938
Hydractinia galeai Calder & Watling, 2021
Hydractinia gelinea Watson, 2015
Hydractinia gorgonoides (Nutting, 1906)
Hydractinia granulata Hirohito, 1988
Hydractinia guangxiensis Huang, Li & Zhang, 2010
Hydractinia hancocki Fraser, 1938
Hydractinia inabai (Hirohito, 1988)
Hydractinia incerta Van Beneden, 1867
Hydractinia ingolfi Kramp, 1932
Hydractinia kaffraria Millard, 1955
Hydractinia laevispina Fraser, 1922
Hydractinia leizhouensis Huang, Zhang & Yang, 2020
Hydractinia longispina Fraser, 1938
Hydractinia mar (Gasca & Calder, 1993)
Hydractinia marsupialia Millard, 1975
Hydractinia michaelseni Broch, 1914
Hydractinia minoi (Alcock, 1892)
Hydractinia moniliformis Huang, Zhong & Zhang, 2010
Hydractinia monocarpa Allman, 1876
Hydractinia monoon (Hirohito, 1988)
Hydractinia multispina Fraser, 1938
Hydractinia multispinosa Ulrich, 1904
Hydractinia multitentaculata (Millard, 1975)
Hydractinia munita (Calder, 2010)
Hydractinia nagaoensis Bouillon, Medel & Peña Cantero, 1997
Hydractinia novaezelandiae Schuchert, 1996
Hydractinia ocellata (Agassiz & Mayer, 1902)
Hydractinia otagoensis (Schuchert, 1996)
Hydractinia pacifica Hartlaub, 1905
Hydractinia parvispina Hartlaub, 1905
Hydractinia paucispinata Vervoort, 2006
Hydractinia phialiformis (Antsulevich, 1983)
Hydractinia phyllosoma Huang & Xu, 2015
Hydractinia piscicola (Komai, 1932)
Hydractinia polycarpa Fraser, 1938
Hydractinia polyclina L.Agassiz, 1860
Hydractinia polytentaculata Xu & Huang, 2006
Hydractinia proboscidea (Hincks, 1868)
Hydractinia prolifica Fraser, 1948
Hydractinia promiscua Galea & Ferry, 2015
Hydractinia quadrigemina Fraser, 1938
反曲介螅水母 Hydractinia recurvatus Lin, Xu, Huang & Wang, 2010
Hydractinia reticulata (Wright, 1861)
Hydractinia rugosa Fraser, 1938
Hydractinia sandrae (Wedler & Larson, 1986)
Hydractinia sarsii (Steenstrup, 1850)
Hydractinia siphonis (Stechow, 1921)
Hydractinia solitaria Van Beneden, 1867
Hydractinia spinipapillaris (Hirohito, 1988)
螺旋介螅水母 Hydractinia spiralis Goto, 1910
Hydractinia symbiolongicarpus Buss & Yund, 1989
Hydractinia symbiopollicaris Buss & Yund, 1989
Hydractinia taiwanensis Xu, Huang, Lin, Guo & Wang, 2014
Hydractinia tenuissima Van Beneden, 1867
Hydractinia thatcheri Chapman, 1931
Hydractinia uniformis Stampar, Tronolone & Morandini, 2006
Hydractinia valens Fraser, 1941
Hydractinia vallini Jäderholm, 1926
Hydractinia vallipi Jaderholm, 1926
Hydractinia verdi Ritchie, 1907
Hydractinia yerii (Iwasa, 1934)
Cionistes reticulata Wright, 1861