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    Fabri, M-C. Bargain, A. Pairaud, I. Pedel, L. and Taupier-Letage, I. 2016. Cold-water coral ecosystems in Cassidaigne Canyon: An assessment of their environmental living conditions. Deep Sea Research Part II: Topical Studies in Oceanography,

  • Journal of the Marine Biological Association of the United Kingdom, Volume 94, Issue 2
  • March 2014, pp. 267-284

Six new species of glass sponges (Porifera: Hexactinellida) from the north-eastern Pacific Ocean

  • Henry M. Reiswig (a1) (a2)
  • DOI:
  • Published online: 26 March 2013

Six new species of Hexactinellida are described from hard bottom communities of shelf, canyon and seamounts of the west coast of North America: Washington, British Columbia and Gulf of Alaska. They were collected by a variety of methods, trawl, manned submersible, and robot submersible, and hence vary greatly in condition. The six species comprise additions to five different families of the subclass Hexasterophora, Farreidae (Farrea omniclavata sp. nov. and F. truncata sp. nov.), Euretidae (Chonelasma oreia sp. nov.), Euplectellidae (Amphidiscella lecus sp. nov.), Leucopsacidae (Oopsacas olympicus sp. nov.) and Rossellidae (Acanthascus malacus sp. nov.). These additions represent an increase of 29% to the known species of Hexactinellida in this area. A completely unique form of defended tabulate stalk is described for A. lecus. The species Chauoplectella spinifera is transferred to Oopsacas.

Corresponding author
Correspondence should be addressed to: H.M. Reiswig, Natural History Section, Royal British Columbia Museum, 675 Belleville Street, Victoria, British Columbia, V8W9W2, Canada email:
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D.A. Lopes , E. Hajdu and H.M. Reiswig (2011) Taxonomy of Farrea (Porifera, Hexactinellida, Hexactinosida) from the southwestern Atlantic, with description of a new species and a discussion on the recognition of subspecies in Porifera. Canadian Journal of Zoology 89, 169189.

Y. Okada (1932) A report on the hexactinellid sponges collected by the U.S. Fish. steamer Albatross in the North West Pacific during the summer of 1906. Proceedings of the United States National Museum 81, 1118, pls 1–6.

P. Schuchert and H.M. Reiswig (2006) Brinckmannia hexactinellidophila, n. gen., sp. nov.: a hydroid living in tissues of glass sponges of the reefs, fjords, and seamounts of Pacific Canada and Alaska. Canadian Journal of Zoology 84, 564572.

K.R. Tabachnick and A.G. Collins (2008) Glass sponges (Porifera, Hexactinellida) of the northern Mid-Atlantic Ridge. Marine Biology Research 4, 2547.

H.V. Wilson and J.T. Penney (1930) A new variety of the hexactinellid sponge Rhabdocalyptus dawsoni (Lambe) and the species of Rhabdocalyptus. Proceedings of the United States National Museum 76, 19.

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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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