Alcyonidium Lamouroux, 1813

Type species: Ulva diaphana Hudson, 1778

Alternatively, from d'Hondt, 2001: Fucus gelatinosus Hudson, 1762 (not Linnaeus)

This genus includes the species:

  1. Alcyonidium adustum
  2. Winston & Hayward, 2012 Recent Northwest Atlantic USA WoRMS 607821
  3. Alcyonidium albescens
  4. Winston & Key, 1999 Recent USA (N. Carolina) WoRMS 470648
  5. Alcyonidium albidum
  6. Alder, 1857 Recent Europe WoRMS 111594
  7. Alcyonidium androsovae
  8. d'Hondt, 1983 Recent Antarctica WoRMS 470634
  9. Alcyonidium anglei
  10. d'Hondt & Goyffon, 1991 Recent France WoRMS 470645
  11. Alcyonidium antarcticum
  12. Waters, 1904 Recent Antarctica WoRMS 173910
  13. Alcyonidium argyllaceum
  14. Castric-Fey, 1971 Recent France WoRMS 470626
  15. Alcyonidium australe
  16. d'Hondt & Moyano, 1979 Recent Chile (Magellan Str.) WoRMS 470644
  17. Alcyonidium bullitum
  18. Seo, Chae, Winston, Zágoršek & Gordon, 2018 Recent Northwest Pacific Korea WoRMS 1299504
  19. Alcyonidium busanensis
  20. Seo, Chae, Winston, Zágoršek & Gordon, 2018 Recent Northwest Pacific Korea WoRMS 1299505
  21. Alcyonidium candidum
  22. Ryland, 1963 Recent Norway WoRMS 111595
  23. Alcyonidium capronae
  24. Winston & Håkansson, 1986 Recent Florida WoRMS 470625
  25. Alcyonidium cellarioides
  26. Calvet, 1900 Recent Mediterranean WoRMS 111596
  27. Alcyonidium chondroides
  28. O'Donoghue & Watteville, 1937 Recent S. Africa WoRMS 470635
  29. Alcyonidium clavum
  30. Hirose, 2022 Recent Northwest Pacific Japan WoRMS 1561682
  31. Alcyonidium columbianum
  32. O'Donoghue & O'Donoghue, 1926 Recent W. Canada WoRMS 470628
  33. Alcyonidium columnaris
  34. d'Hondt, 2014 Recent North Pacific Bering Strait WoRMS 889189
  35. Alcyonidium condylocinereum
  36. Porter, 2004 Recent England, Belgium WoRMS 153730
  37. Alcyonidium diaphanum
  38. (Hudson, 1778) Recent Europe WoRMS 111597
  39. Alcyonidium diaphanum alcilobatum
  40. d'Hondt & Mawatari, 1986 Recent Japan WoRMS 472727
  41. Alcyonidium diaphanum farrei
  42. d'Hondt, 2014 Recent North Atlantic WoRMS 889188
  43. Alcyonidium diaphanum nordicum
  44. d'Hondt, 2014 Recent North Atlantic WoRMS 889186
  45. Alcyonidium disciforme
  46. Smitt, 1872 Recent Arctic WoRMS 111598
  47. Alcyonidium duplex
  48. Prouho, 1892 Recent Mediterranean WoRMS 111599
  49. Alcyonidium effusum
  50. Norman, 1909 Recent North Atlantic WoRMS 470629
  51. Alcyonidium eightsi
  52. Winston & Hayward, 1994 Recent Antarctic WoRMS 173932
  53. Alcyonidium enteromorpha
  54. Soule, 1951 Recent Alaska WoRMS 470633
  55. Alcyonidium epispiculum
  56. Porter & Hayward, 2004 Recent Antarctica WoRMS 468237
  57. Alcyonidium erectum
  58. Silén, 1942 Recent Japan WoRMS 470636
  59. Alcyonidium excavatum
  60. Hincks, 1880 Recent Barents Sea WoRMS 422962
  61. Alcyonidium exiguum
  62. Vieira, Migotto & Winston, 2014 Recent Southwest Atlantic Brazil WoRMS 827157
  63. Alcyonidium flabelliforme
  64. Kirkpatrick, 1902 Recent Antarctic WoRMS 173911
  65. Alcyonidium flustroides
  66. Busk, 1886 Recent S. Africa WoRMS 470637
  67. Alcyonidium foliaceum
  68. Silén, 1942 Recent Japan WoRMS 470638
  69. Alcyonidium gelatinosum
  70. (Linnaeus, 1761) Recent Europe WoRMS 111600
  71. Alcyonidium gelatinosum anderssoni
  72. Abrikosov, 1932 Recent Arctic WoRMS 472726
  73. Alcyonidium gelatinosum cookae
  74. d'Hondt, 1983 Recent W. Africa WoRMS 472724
  75. Alcyonidium gelatinosum diaphanum
  76. (Farre, 1837) Recent Arctic WoRMS 472725
  77. Alcyonidium gelatinosum pacificum
  78. d'Hondt, 2014 Recent North Atlantic WoRMS 889184
  79. Alcyonidium hauffi
  80. Marcus, 1939 Recent West Atlantic WoRMS 470630
  81. Alcyonidium hirsutum
  82. (Fleming, 1828) Recent Europe, Arctic WoRMS 111601
  83. Alcyonidium hydrocoalitum
  84. Porter, 2004 Recent Wales WoRMS 153734
  85. Alcyonidium incrustans
    (Status?)
  86. Lamouroux, 1824 Recent Northeast Atlantic WoRMS 889181
  87. Alcyonidium irregulare
  88. Kluge, 1962 Recent Arctic WoRMS 422963
  89. Alcyonidium jauhar
  90. Tilbrook & Gordon, 2015 Recent Singapore WoRMS 851043
  91. Alcyonidium kermadecense
  92. Gordon, 1984 Recent SW Pacific WoRMS 470622
  93. Alcyonidium kuklinskii
  94. Schwaha, Cometti, Saadi, Cecchetto & Schiaparelli, 2023 Recent Antarctic WoRMS 1769563
  95. Alcyonidium lutosum
  96. Winston & Hayward, 2012 Recent Northwest Atlantic USA WoRMS 607822
  97. Alcyonidium maculosum
  98. Winston & Hayward, 2012 Recent Northwest Atlantic USA WoRMS 607823
  99. Alcyonidium mamillatum
  100. Alder, 1857 Recent Atlantic WoRMS 111602
  101. Alcyonidium mamillatum erectum
  102. Andersson, 1902 Recent Arctic WoRMS 254422
  103. Alcyonidium multigemmatum
  104. Gordon, 1986 Recent New Zealand WoRMS 470623
  105. Alcyonidium nanum
  106. Silén, 1942 Recent Japan WoRMS 470631
  107. Alcyonidium nipponicum
  108. d'Hondt & Mawatari, 1986 Recent Japan WoRMS 470646
  109. Alcyonidium nodosum
  110. O'Donoghue & Watteville, 1944 Recent S. Africa, Chile WoRMS 470643
  111. Alcyonidium pachydermatum
  112. Denisenko, 1996 Recent Arctic WoRMS 470640
  113. Alcyonidium papillatum
  114. O'Donoghue, 1924 Recent S. Africa WoRMS 470642
  115. Alcyonidium parasiticum
  116. (Fleming, 1828) Recent Europe WoRMS 111604
  117. Alcyonidium pedunculatum
  118. Robertson, 1902 Recent Northeast Pacific WoRMS 470641
  119. Alcyonidium pelagosphaerum
  120. Porter & Hayward, 2004 Recent Antarctica WoRMS 468238
  121. Alcyonidium polyoum
  122. (Hassall, 1841) Recent Europe WoRMS 153717
  123. Alcyonidium polyoum porterae
  124. d'Hondt & Goyffon, 2005 Recent Atlantic northeast Europe WoRMS 889195
  125. Alcyonidium polypylum
  126. Marcus, 1941 Recent S. America WoRMS 470632
  127. Alcyonidium proboscideum
  128. Kluge, 1962 Recent Arctic WoRMS 236136
  129. Alcyonidium pseudodisciforme
  130. Denisenko, 2009 Recent Arctic WoRMS 597486
  131. Alcyonidium pulposum
  132. Seo, Chae, Winston, Zágoršek & Gordon, 2018 Recent Northwest Pacific Korea WoRMS 1299506
  133. Alcyonidium pulvinatum
  134. Vieira, Migotto & Winston, 2014 Recent Southwest Atlantic Brazil WoRMS 827158
  135. Alcyonidium radicellatum
  136. Kluge, 1946 Recent Arctic WoRMS 156499
  137. Alcyonidium ramosum
    (Status ?)
  138. Lamouroux, 1824 Recent Mediterranean WoRMS 1046301
  139. Alcyonidium rhomboidale
  140. O'Donoghue, 1924 Recent S. Africa WoRMS 470639
  141. Alcyonidium rugosum
  142. Silén, 1942 Recent W. Pacific WoRMS 878667
  143. Alcyonidium rylandi
  144. d'Hondt & Goyffon, 2005 Recent Northeast Atlantic WoRMS 472880
  145. Alcyonidium sagamianum
  146. Mawatari, 1953 Recent Japan WoRMS 470627
  147. Alcyonidium sanguineum
  148. Cook, 1985 Recent W. Africa WoRMS 470624
  149. Alcyonidium scolecoideum
  150. Porter & Hayward, 2004 Recent Chile WoRMS 468239
  151. Alcyonidium shizuoi
  152. d'Hondt & Mawatari, 1986 Recent Japan WoRMS 470647
  153. Alcyonidium sileni
  154. d'Hondt, 2014 Recent North Pacific WoRMS 889185
  155. Alcyonidium simulatum
  156. Porter & Hayward, 2004 Recent S. Atlantic WoRMS 468240
  157. Alcyonidium torpedo
  158. d'Hondt, 2006 Recent Antarctic WoRMS 470649
  159. Alcyonidium torquatum
  160. Vieira, Migotto & Winston, 2014 Recent Southwest Atlantic Brazil WoRMS 827159
  161. Alcyonidium? vahine
  162. d'Hondt & Mascarell, 2010 Recent Marquesas Is. WoRMS 843201
  163. Alcyonidium variegatum
  164. Prouho, 1892 Recent Mediterranean WoRMS 111605
  165. Alcyonidium verrilli
  166. Osburn, 1912 Recent Northwest Atlantic WoRMS 159765
  167. Alcyonidium vicarians
  168. d'Hondt & Chimenz Gusso, 2006 Recent Mediterranean Turkey WoRMS 240938
  169. Alcyonidium vigelandi
  170. d'Hondt, 2014 Recent North Atlantic WoRMS 889187
  171. Alcyonidium vitreum
  172. Vieira, Migotto & Winston, 2014 Recent Southwest Atlantic Brazil WoRMS 827160

[Small Alcyonidium] Alcyonidioides mytili

Alcyonidium disciforme at Svalbard (photo by Piotr Kuklinski.)

Alcyonidium diaphanum at APHOTOMARINE
Alcyonidium gelatinosum at APHOTOMARINE
Alcyonidium hirsutum at APHOTOMARINE

Alcyonidium diaphanum at Bryozoa of the British Isles

Alcyonidium diaphanum at the MarLIN - Marine Life Information Network site.

Alcyonidium condylocinereum page at Cryptosula - marine and estuarine organisms of The Netherlands (Marco Faasse).
Alcyonidium gelatinosum page at Cryptosula - marine and estuarine organisms of The Netherlands (Marco Faasse).
Alcyonidium hirsutum page at Cryptosula - marine and estuarine organisms of The Netherlands (Marco Faasse).
Alcyonidium hydrocoalitum page at Cryptosula - marine and estuarine organisms of The Netherlands (Marco Faasse).
Alcyonidium polyoum page at Cryptosula - marine and estuarine organisms of The Netherlands (Marco Faasse).

Alcyonidium species - at the Smithsonian Marine Station at Fort Pierce, Florida.

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Edited by Phil Bock
Modified on 30/09/2015
Modified on 7/11/2016 (added further WoRMS links, and additional species)
Modified on 30/9/2018 (added three species)
Modified on 4/2/2022 (Added A.clavum)
Modified on 9/9/2024 (Added A.kuklinskii)
This URL is http://bryozoa.net/ctenostomata/alcyonidiidae/alcyonidium.html