The morphology and anatomy of the pelagic polychaetous worm, Pelagobia longicirrata (Greef 1879), from the Southern ocean (Drake Strait) are described using histological methods and both light and scan electronic microscopy. An anterio-ventral gland complex and special ciliate fields are described for the first time. The presence of pharyngeal jaws, which needed a confirmation, is stated. The phylogenetic analysis of the material collected is performed with the 18S rDNA gene. Lopadorrhynchidae is a monophyletic group; Phyllodocidae is its sister group. Pelagobia longicirrata contains at least two species. The samples studied differ in morphological and genetic features from those described earlier in other sites.
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Nat Hist Museum, Life Sci Dept, London SW7 5BD, EnglandNat Hist Museum, Life Sci Dept, London SW7 5BD, England
Neal, Lenka
Abrahams, Emily
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Nat Hist Museum, Life Sci Dept, London SW7 5BD, EnglandNat Hist Museum, Life Sci Dept, London SW7 5BD, England
Abrahams, Emily
Wiklund, Helena
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Nat Hist Museum, Life Sci Dept, London SW7 5BD, England
Univ Gothenburg, Dept Marine Sci, Box 463, S-40530 Gothenburg, Sweden
Gothenburg Global Biodivers Ctr, Box 463, S-40530 Gothenburg, SwedenNat Hist Museum, Life Sci Dept, London SW7 5BD, England
Wiklund, Helena
Rabone, Muriel
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Nat Hist Museum, Life Sci Dept, London SW7 5BD, EnglandNat Hist Museum, Life Sci Dept, London SW7 5BD, England
Rabone, Muriel
Bribiesca-Contreras, Guadalupe
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Nat Hist Museum, Life Sci Dept, London SW7 5BD, EnglandNat Hist Museum, Life Sci Dept, London SW7 5BD, England
Bribiesca-Contreras, Guadalupe
Stewart, Eva C. D.
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Nat Hist Museum, Life Sci Dept, London SW7 5BD, England
Univ Southampton, Sch Ocean & Earth Sci, Southampton SO14 3ZH, EnglandNat Hist Museum, Life Sci Dept, London SW7 5BD, England
Stewart, Eva C. D.
Dahlgren, Thomas G.
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Univ Gothenburg, Dept Marine Sci, Box 463, S-40530 Gothenburg, Sweden
Gothenburg Global Biodivers Ctr, Box 463, S-40530 Gothenburg, Sweden
NORCE Norwegian Res Ctr, Bergen, NorwayNat Hist Museum, Life Sci Dept, London SW7 5BD, England
Dahlgren, Thomas G.
Glover, Adrian G.
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Nat Hist Museum, Life Sci Dept, London SW7 5BD, EnglandNat Hist Museum, Life Sci Dept, London SW7 5BD, England