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Deep-water Ophiuroidea of the northern Atlantic with descriptions of three new species and taxonomic remarks on certain genera and species
Martynov, A.V.; Litvinova, N.M. (2008). Deep-water Ophiuroidea of the northern Atlantic with descriptions of three new species and taxonomic remarks on certain genera and species, in: Gebruk, A.V. (Ed.) Benthic fauna of the northern Mid-Atlantic Ridge: results of the MAR-ECO expedition. Marine Biology Research, 4(1-2): pp. 76-111
In: Gebruk, A.V. (Ed.) (2008). Benthic fauna of the northern Mid-Atlantic Ridge: results of the MAR-ECO expedition. Marine Biology Research, 4(1-2). Taylor & Francis: UK. 163 pp., more
In: Marine Biology Research. Taylor & Francis: Oslo; Basingstoke. ISSN 1745-1000, more
Peer reviewed article  

Also published as
  • Martynov, A.V.; Litvinova, N.M. (2008). Deep-water Ophiuroidea of the northern Atlantic with descriptions of three new species and taxonomic remarks on certain genera and species. Mar. Biol. Res. 4(1-2): 76-111. dx.doi.org/10.1080/17451000701840066, more

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Keywords
    Deep water; Distribution; Geographical distribution; New species; Taxonomy; Ophiuroidea [WoRMS]; Marine

Authors  Top 
  • Martynov, A.V.
  • Litvinova, N.M.

Abstract
    Based on material from the fourth cruise of the RV Akademik Mstislav Keldysh and the MAR-ECO cruise of the RV G.O. Sars, 31 species of Ophiuroidea were identified from the section of the Mid-Atlantic Ridge between the Reykjanes Ridge and the Azores. The taxonomy of the group of genera with reduced arm comb and tentacle pores restricted only to the proximal arm segments is reviewed. It is suggested that the genera Homalophiura H.L. Clark, 1915, Ophiurolepis Matsumoto, 1915, Theodoria Fell, 1961 and Homophiura Paterson, 1985 should be regarded as synonyms of the genus Ophioplinthus Lyman, 1878. From examination of the type specimens, it is demonstrated that the six-armed species Ophiacantha anomala G.O. Sars, 1871 also includes five-armed specimens previously identified as the separate species Ophiacantha cuspidata Lyman, 1878. The latter taxon is considered here as the junior synonym of O. anomala. Previously mentioned 'deep-water populations of the common shallow water species Ophiacantha bidentata (Retzius, 1805)' represent a separate species, Ophiacantha fraterna Verrill, 1885, which is well distinguished by the shape of the spicules of the disk, narrow outer oral papilla and narrower tentacle scale as well as a hermaphroditic nature. Three new species, i.e. Ophioplinthus pseudotessellata sp. nov., Ophiocamax patersoni sp. nov. and Ophiophyllum nesisi sp. nov., are described.

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