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Revision of Chauvinelia, redescriptions of Flabelliseta incrusta, and Helmetophorus rankini, and their recognition as acrocirrids (Polychaeta: Acrocirridae)

Published online by Cambridge University Press:  04 April 2007

Sergio I. Salazar-Vallejo
Affiliation:
Depto. Ecología Acuática, ECOSUR,Unidad Chetumal, Apdo. Postal 424, Chetumal, Quintana Roo, 77000, México
Patrick Gillet
Affiliation:
Centre d'Etude et de Recherche sur les Ecosystèmes Aquatiques, Institut de Biologie et d'Ecologie Appliquée, U.C.O., F-49000 Angers, France
Luis F. Carrera-Parra
Affiliation:
Depto. Ecología Acuática, ECOSUR,Unidad Chetumal, Apdo. Postal 424, Chetumal, Quintana Roo, 77000, México

Abstract

Chauvinelia contains two abyssal species, C. biscayensis, and C. arctica. Because of the lack of some relevant details in the original descriptions, they are redescribed, the generic diagnosis is emended, and a key to separate them is included. Flabelliseta incrusta and Helmetophorus rankini, the type and only species for these genera are redescribed; they lack annulated or multi-articulated capillaries, their chaetae have a detachable cortex carrying successive rows of tiny spines, and they share several features with Chauvinelia. Therefore Flabelliseta, and Helmetophorus, currently regarded as members of Flabelligeridae de Saint-Joseph, 1894, are transferred to the Acrocirridae Banse, 1969. Consequently the family diagnosis is emended to include simple capillary neurochaetae, and a key for all acrocirrid genera is also included.

Type
Research Article
Copyright
2007 Marine Biological Association of the United Kingdom

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