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
  2. Alcyonidium albescens
    		3. Winston & Key, 1999 Recent USA (N. Carolina) WoRMS 470648
  3. Alcyonidium albidum
    		4. Alder, 1857 Recent Europe WoRMS 111594
  4. Alcyonidium androsovae
    		5. d'Hondt, 1983 Recent Antarctica WoRMS 470634
  5. Alcyonidium anglei
    		6. d'Hondt & Goyffon, 1991 Recent France WoRMS 470645
  6. Alcyonidium antarcticum
    		7. Waters, 1904 Recent Antarctica WoRMS 173910
  7. Alcyonidium argyllaceum
    		8. Castric-Fey, 1971 Recent France WoRMS 470626
  8. Alcyonidium australe
    		9. d'Hondt & Moyano, 1979 Recent Chile (Magellan Str.) WoRMS 470644
  9. Alcyonidium bullitum
    		10.  Seo, Chae, Winston, Zágoršek & Gordon, 2018 Recent Northwest Pacific Korea WoRMS 1299504
  10. Alcyonidium busanensis
    		11.  Seo, Chae, Winston, Zágoršek & Gordon, 2018 Recent Northwest Pacific Korea WoRMS 1299505
  11. Alcyonidium candidum
    		12. Ryland, 1963 Recent Norway WoRMS 111595
  12. Alcyonidium capronae
    		13. Winston & Håkansson, 1986 Recent Florida WoRMS 470625
  13. Alcyonidium cellarioides
    		14. Calvet, 1900 Recent Mediterranean WoRMS 111596
  14. Alcyonidium chondroides
    		15. O'Donoghue & Watteville, 1937 Recent S. Africa WoRMS 470635
  15. Alcyonidium clavum
    		16.  Hirose, 2022 Recent Northwest Pacific Japan WoRMS 1561682
  16. Alcyonidium columbianum
    		17. O'Donoghue & O'Donoghue, 1926 Recent W. Canada WoRMS 470628
  17. Alcyonidium columnaris
    		18.  d'Hondt, 2014 Recent North Pacific Bering Strait WoRMS 889189
  18. Alcyonidium condylocinereum
    		19. Porter, 2004 Recent England, Belgium WoRMS 153730
  19. Alcyonidium diaphanum
    		20. (Hudson, 1778) Recent Europe WoRMS 111597
  20. Alcyonidium diaphanum alcilobatum
    		21. d'Hondt & Mawatari, 1986 Recent Japan WoRMS 472727
  21. Alcyonidium diaphanum farrei
    		22.  d'Hondt, 2014 Recent North Atlantic WoRMS 889188
  22. Alcyonidium diaphanum nordicum
    		23.  d'Hondt, 2014 Recent North Atlantic WoRMS 889186
  23. Alcyonidium disciforme
    		24. Smitt, 1872 Recent Arctic WoRMS 111598
  24. Alcyonidium duplex
    		25. Prouho, 1892 Recent Mediterranean WoRMS 111599
  25. Alcyonidium effusum
    		26. Norman, 1909 Recent North Atlantic WoRMS 470629
  26. Alcyonidium eightsi
    		27. Winston & Hayward, 1994 Recent Antarctic WoRMS 173932
  27. Alcyonidium enteromorpha
    		28. Soule, 1951 Recent Alaska WoRMS 470633
  28. Alcyonidium epispiculum
    		29. Porter & Hayward, 2004 Recent Antarctica WoRMS 468237
  29. Alcyonidium erectum
    		30. Silén, 1942 Recent Japan WoRMS 470636
  30. Alcyonidium excavatum
    		31. Hincks, 1880 Recent Barents Sea WoRMS 422962
  31. Alcyonidium exiguum
    		32.  Vieira, Migotto & Winston, 2014 Recent Southwest Atlantic Brazil WoRMS 827157
  32. Alcyonidium flabelliforme
    		33. Kirkpatrick, 1902 Recent Antarctic WoRMS 173911
  33. Alcyonidium flustroides
    		34. Busk, 1886 Recent S. Africa WoRMS 470637
  34. Alcyonidium foliaceum
    		35. Silén, 1942 Recent Japan WoRMS 470638
  35. Alcyonidium gelatinosum
    		36.  (Linnaeus, 1761) Recent Europe WoRMS 111600
  36. Alcyonidium gelatinosum anderssoni
    		37. Abrikosov, 1932 Recent Arctic WoRMS 472726
  37. Alcyonidium gelatinosum cookae
    		38. d'Hondt, 1983 Recent W. Africa WoRMS 472724
  38. Alcyonidium gelatinosum diaphanum
    		39. (Farre, 1837) Recent Arctic WoRMS 472725
  39. Alcyonidium gelatinosum pacificum
    		40.  d'Hondt, 2014 Recent North Atlantic WoRMS 889184
  40. Alcyonidium hauffi
    		41. Marcus, 1939 Recent West Atlantic WoRMS 470630
  41. Alcyonidium hirsutum
    		42. (Fleming, 1828) Recent Europe, Arctic WoRMS 111601
  42. Alcyonidium hydrocoalitum
    		43. Porter, 2004 Recent Wales WoRMS 153734
  43. Alcyonidium incrustans
    (Status?)
    		44.  Lamouroux, 1824 Recent Northeast Atlantic WoRMS 889181
  44. Alcyonidium irregulare
    		45. Kluge, 1962 Recent Arctic WoRMS 422963
  45. Alcyonidium jauhar
    		46.  Tilbrook & Gordon, 2015 Recent Singapore WoRMS 851043
  46. Alcyonidium kermadecense
    		47.  Gordon, 1984 Recent SW Pacific WoRMS 470622
  47. Alcyonidium lutosum
    		48.  Winston & Hayward, 2012 Recent Northwest Atlantic USA WoRMS 607822
  48. Alcyonidium maculosum
    		49.  Winston & Hayward, 2012 Recent Northwest Atlantic USA WoRMS 607823
  49. Alcyonidium mamillatum
    		50. Alder, 1857 Recent Atlantic WoRMS 111602
  50. Alcyonidium mamillatum erectum
    		51. Andersson, 1902 Recent Arctic WoRMS 254422
  51. Alcyonidium multigemmatum
    		52. Gordon, 1986 Recent New Zealand WoRMS 470623
  52. Alcyonidium nanum
    		53. Silén, 1942 Recent Japan WoRMS 470631
  53. Alcyonidium nipponicum
    		54. d'Hondt & Mawatari, 1986 Recent Japan WoRMS 470646
  54. Alcyonidium nodosum
    		55. O'Donoghue & Watteville, 1944 Recent S. Africa, Chile WoRMS 470643
  55. Alcyonidium pachydermatum
    		56.  Denisenko, 1996 Recent Arctic WoRMS 470640
  56. Alcyonidium papillatum
    		57. O'Donoghue, 1924 Recent S. Africa WoRMS 470642
  57. Alcyonidium parasiticum
    		58. (Fleming, 1828) Recent Europe WoRMS 111604
  58. Alcyonidium pedunculatum
    		59. Robertson, 1902 Recent Northeast Pacific WoRMS 470641
  59. Alcyonidium pelagosphaerum
    		60.  Porter & Hayward, 2004 Recent Antarctica WoRMS 468238
  60. Alcyonidium polyoum
    		61.  (Hassall, 1841) Recent Europe WoRMS 153717
  61. Alcyonidium polyoum porterae
    		62. d'Hondt & Goyffon, 2005 Recent Atlantic northeast Europe WoRMS 889195
  62. Alcyonidium polypylum
    		63. Marcus, 1941 Recent S. America WoRMS 470632
  63. Alcyonidium proboscideum
    		64.  Kluge, 1962 Recent Arctic WoRMS 236136
  64. Alcyonidium pseudodisciforme
    		65.  Denisenko, 2009 Recent Arctic WoRMS 597486
  65. Alcyonidium pulposum
    		66.  Seo, Chae, Winston, Zágoršek & Gordon, 2018 Recent Northwest Pacific Korea WoRMS 1299506
  66. Alcyonidium pulvinatum
    		67.  Vieira, Migotto & Winston, 2014 Recent Southwest Atlantic Brazil WoRMS 827158
  67. Alcyonidium radicellatum
    		68. Kluge, 1946 Recent Arctic WoRMS 156499
  68. Alcyonidium ramosum
    (Status ?)
    		69.  Lamouroux, 1824 Recent Mediterranean WoRMS 1046301
  69. Alcyonidium rhomboidale
    		70. O'Donoghue, 1924 Recent S. Africa WoRMS 470639
  70. Alcyonidium rugosum
    		71. Silén, 1942 Recent W. Pacific WoRMS 878667
  71. Alcyonidium rylandi
    		72. d'Hondt & Goyffon, 2005 Recent Northeast Atlantic WoRMS 472880
  72. Alcyonidium sagamianum
    		73. Mawatari, 1953 Recent Japan WoRMS 470627
  73. Alcyonidium sanguineum
    		74. Cook, 1985 Recent W. Africa WoRMS 470624
  74. Alcyonidium scolecoideum
    		75. Porter & Hayward, 2004 Recent Chile WoRMS 468239
  75. Alcyonidium shizuoi
    		76. d'Hondt & Mawatari, 1986 Recent Japan WoRMS 470647
  76. Alcyonidium sileni
    		77.  d'Hondt, 2014 Recent North Pacific WoRMS 889185
  77. Alcyonidium simulatum
    		78. Porter & Hayward, 2004 Recent S. Atlantic WoRMS 468240
  78. Alcyonidium torpedo
    		79.  d'Hondt, 2006 Recent Antarctic WoRMS 470649
  79. Alcyonidium torquatum
    		80.  Vieira, Migotto & Winston, 2014 Recent Southwest Atlantic Brazil WoRMS 827159
  80. Alcyonidium? vahine
    		81.  d'Hondt & Mascarell, 2010 Recent Marquesas Is. WoRMS 843201
  81. Alcyonidium variegatum
    		82. Prouho, 1892 Recent Mediterranean WoRMS 111605
  82. Alcyonidium verrilli
    		83. Osburn, 1912 Recent Northwest Atlantic WoRMS 159765
  83. Alcyonidium vicarians
    		84.  d'Hondt & Chimenz Gusso, 2006 Recent Mediterranean Turkey WoRMS 240938
  84. Alcyonidium vigelandi
    		85.  d'Hondt, 2014 Recent North Atlantic WoRMS 889187
  85. Alcyonidium vitreum
    		86.  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)
This URL is http://bryozoa.net/ctenostomata/alcyonidiidae/alcyonidium.html