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Redescription of Nephtys Assimilis and N. Kersivalensis (Polychaeta: Phyllodocida) and a Key to Nephtys from Northern Europe

Published online by Cambridge University Press:  11 May 2009

S.F. Rainer
Affiliation:
CSIRO Division of Fisheries, Marine Laboratories, PO Box 20, North Beach, Western Australia 6020, Australia

Extract

Descriptions of the polychaete Nephtys hombergii Savigny, 1818 have encompassed a wide range of apparently intraspecific variation in taxonomic features such as the segment on which interramal cirri first occur, and the form and size of pre- and postsetal lamellae (Fauchald, 1963; Woolf, 1968; Hartmann-Schröder, 1971). During the examination of museum collections and of extensive ecological collections from the North Sea (Rainer, 1990) and from Danish waters, it was found that the name N. hombergii has been applied to three morphologically similar species, viz. N. hombergii (s.s.), N. assimilis Örsted and N. kersivalensis Mclntosh. Both are locally abundant species that may occur with N. hombergii. This paper designates a neotype of N. assimilis, provides a full description of N. assimilis and N. kersivalensis, and removes these species from synonymy with N. hombergii.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1989

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