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Comparative Analysis of Vermiform Genera (Copepoda: Harpacticoida: Cylindropsyllidae), including Descriptions of Boreovermis, New Genus and Bolbotelos, New Genus, from the Southern North Sea

Rony Huys and Sophie Conroy-Dalton
Journal of Crustacean Biology
Vol. 26, No. 2 (May, 2006), pp. 206-223
Published by: Brill on behalf of The Crustacean Society
Stable URL: http://www.jstor.org/stable/4094238
Page Count: 18
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Comparative Analysis of Vermiform Genera (Copepoda: Harpacticoida: Cylindropsyllidae), including Descriptions of Boreovermis, New Genus and Bolbotelos, New Genus, from the Southern North Sea
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Abstract

Two new monotypic genera of Cylindropsyllidae (Copepoda, Harpacticoida), Boreovermis and Bolbotelos, are described from subtidal sandy sediments in the Southern Bight of the North Sea. Boreovermis bilobata new genus, new species is primarily characterized by its conspicuous sexual dimorphism on P2 and P3. Bolbotelos longisetosus, new genus, new species is unique in its vermiform body morphology, bi-laterally compressed bulbous caudal rami, loss of inner basal spine on PI and secondarily elongated geniculate setae on both PI rami. Both genera are related to Navalonia Huys and Conroy-Dalton, 1993 and Willemsia Huys and Conroy-Dalton, 1993, with which they form a well supported clade of vermiform taxa within the Cylindropsyllidae. The relationships within this Navalonia-ciade are analysed and apomorphic character states for each internal node and terminal taxon are discussed.

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