Species Cephalodiscus (Orthoecus) densus Andersson, 1907
- Cephalodiscus (Orthoecus) densus Andersson, K.A. 1907. Die Pterobranchier der Schwedischen Südpolar expedition 1901–1903. Nebst Bemerkungen über Rhabdopleura normani Allman. Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition 1901–1903 5: 1-122 [12-102].
Type data:
Holotype NHRM, SE Seymour Is., Graham Region, 64º20´S 56º38´W, 150 m.
Paratype(s) BMNH 1918.6.29.2 (portion of holotype). - Cephalodiscus (Orthoecus) rarus Andersson, K.A. 1907. Die Pterobranchier der Schwedischen Südpolar expedition 1901–1903. Nebst Bemerkungen über Rhabdopleura normani Allman. Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition 1901–1903 5: 1-122 [12-102].
Type data:
Holotype NHRM, N of Joinville Island, Graham Region, 62º55´S 55º57´W, depth 104 m (Stn. 94). - Cephalodiscus (Orthoecus) anderssoni Gravier, M.C. 1912. Sur une espèce nouvelle de Cephalodiscus (C. anderssoni n. sp.) provenant de la deuxième Expédition antarctique française. Bulletin du Muséum d'Histoire Naturelle. Paris [published 1895-1906] 18(3): 146-150 [146-150] [full description given in Gravier, M.C. 1913. Ptérobranches. pp. 71–86 in Deuxième Expédition antarctique française (1908-1910). Pt 4. Masson et Cie : Paris].
Type data:
Holotype NHRM, S of Jenny Is., near Adelaide Is. Graham Region, 68ºS 70º02´W, dredged from depth 250 m.
Taxonomic Decision for Synonymy
- Ridewood, W.G. 1918. Cephalodiscus. British Antarctic 'Terra Nova' Expedition. Zoology 4(2): 11-82 pls I-VI [38-40, 75, 76] (for Cephalodiscus (Orthoecus) rarus)
- Ridewood, W.G. 1920. A key for identifying the species of Cephalodiscus. Annals and Magazine of Natural History 9 5: 407-410 [408, 410] (for Cephalodiscus (Orthoecus) anderssoni)
Distribution
Extra Distribution Information
(circumpolar), off Wilkes Land, Knox Coast, Davis Sea off Queen Mary Land, off Princess Elizabeth Land. Ingrid Christensen Land, Cape Bruce MacKenzie Sea, and Enderby Land, also off Adelie coast, off Coulman Is. and McMurdo Sound, Ross Sea, Adelaide Is., Kapp Norwegia, Halley Bay, Vestkapp and numerous Stations in Weddell Sea, SE Seymour Is., S of Jenny Is., Joinville Is., Snow Hill Is., Graham Region, Palmer Archipelago, Antarctic Peninsula, Burwood Bank and Royal Sound, and Kerguelen Is. in the Subantarctic, depth range 80–1280 m.
Other Regions
Australian Antarctic Territory
Original AFD Distribution Data
Antarctic Region
- Australian Antarctic Territory
Ecological Descriptors
Benthic, colonial, marine, rock bottom, sedentary.
Extra Ecological Information
Tubiculous, in abundance on.
General References
John, C.C. 1931. Cephalodiscus. Discovery Reports 3: 223-260 pls 33-38 [235-238]
Ridewood, W.G. 1918. Cephalodiscus. British Antarctic 'Terra Nova' Expedition. Zoology 4(2): 11-82 pls I-VI
Ridewood, W.G. 1918. Pterobranchia. Australasian Antarctic Expedition, 1911-14, Scientific Reports, Series C: Zoology & Botany 3(2): 1-25
Ridewood, W.G. 1921. On specimens of Cephalodiscus densus dredged by the 'Challenger' in 1874 at Kerguelen Island. Annals and Magazine of Natural History 9 8: 433-440
History of changes
Published | As part of group | Action Date | Action Type | Compiler(s) |
---|---|---|---|---|
12-Feb-2010 | (import) |