Alcyonidium is a genus of bryozoans in the order Ctenostomatida.
Species
The following species are included in the genus by the World Register of Marine Species:-
Alcyonidium adustum Winston & Hayward, 2012
Alcyonidium albescens Winston & Key, 1999
Alcyonidium albidum Alder, 1857
Alcyonidium androsovae d'Hondt, 1983
Alcyonidium anglei d'Hondt & Goyffon, 1991
Alcyonidium antarcticum Waters, 1904
Alcyonidium argyllaceum Castric-Fey, 1971
Alcyonidium australe d'Hondt & Moyano, 1979
Alcyonidium candidum Ryland, 1963
Alcyonidium capronae Winston & Hakansson, 1986
Alcyonidium cellarioides Calvet, 1900
Alcyonidium chondroides O'Donoghue & de Watteville, 1937
Alcyonidium columbianum O'Donoghue & O'Donoghue, 1926
Alcyonidium condylocinereum Porter, 2004
Alcyonidium diaphanum (Hudson, 1778) Alcyonidium disciforme Smitt, 1872 Alcyonidium duplex Prouho, 1892 Alcyonidium effusum Norman, 1909 Alcyonidium eightsi Winston & Hayward, 1994 Alcyonidium enteromorpha Soule, 1951 Alcyonidium epispiculum Porter & Hayward, 2004 Alcyonidium erectum Silén, 1942 Alcyonidium excavatum Hincks, 1880 Alcyonidium exiguum Vieira, Migotto & Winston, 2014 Alcyonidium flabelliforme Kirkpatrick, 1902 Alcyonidium flustroides Busk, 1886 Alcyonidium foliaceum Silén, 1942 Alcyonidium gelatinosum (Linnaeus, 1761) Alcyonidium hauffi Marcus, 1939 Alcyonidium hirsutum (Fleming, 1828) Alcyonidium hydrocoalitum Porter, 2004 Alcyonidium irregulare Kluge, 1962 Alcyonidium kermadecense Gordon, 1984 Alcyonidium lutosum Winston & Hayward, 2012 Alcyonidium maculosum Winston & Hayward, 2012
Alcyonidium mamillatum Alder, 1857
Alcyonidium multigemmatum Gordon, 1986
Alcyonidium nanum Silén, 1942
Alcyonidium nipponicum d'Hondt & Mawatari, 1986
Alcyonidium nodosum O'Donoghue & de Watteville, 1944
Alcyonidium nostoch (A.P.de Candolle) Lamouroux, 1813
Alcyonidium pachydermatum Denisenko, 1996
Alcyonidium papillatum O'Donoghue, 1924
Alcyonidium parasiticum (Fleming, 1828) Alcyonidium pedunculatum Robertson, 1902 Alcyonidium pelagosphaerum Porter & Hayward, 2004 Alcyonidium polyoum (Hassall, 1841) Alcyonidium polypylum Marcus, 1941 Alcyonidium proboscideum Kluge, 1962 Alcyonidium protoseideum Alcyonidium pseudodisciforme Denisenko, 2009 Alcyonidium pulvinatum Vieira, Migotto & Winston, 2014 Alcyonidium radicellatum Kluge, 1946 Alcyonidium rhomboidale O'Donoghue, 1924 Alcyonidium rylandi d'Hondt & Goyffon, 2005 Alcyonidium sagamianum Mawatari, 1953 Alcyonidium sanguineum Cook, 1985 Alcyonidium scolecoideum Porter & Hayward, 2004 Alcyonidium shizuoi d'Hondt & Mawatari, 1986 Alcyonidium simulatum Porter & Hayward, 2004 Alcyonidium torpedo d'Hondt, 2006 Alcyonidium torquatum Vieira, Migotto & Winston, 2014 Alcyonidium variegatum Prouho, 1892 Alcyonidium vermiculare Okada, 1925 Alcyonidium verrilli Osburn, 1912 Alcyonidium vicarians d'Hondt & Chimenz Gusso, 2006 Alcyonidium vitreum Vieira, Migotto & Winston, 2014