Abstract
The phyllodocid polychaete Notophyllum foliosum occurs in two colour morphs in Swedish and Norwegian waters, one palish yellow to grey form with black patches that is restricted to deeper waters and often associated with reefs of the deep-water coral Lophelia pertusa, and one usually yellow-orange form with black patches and white spots that is usually encountered on more shallow bottoms. We have sampled the two forms from sympatric occurrences in Norway, and the shallow form from the Swedish west coast. Phylogenetic and haplotype analyses based on the mitochondrial cytochrome c oxidase subunit I (COI) gene and the nuclear internal transcribed spacer region (ITS1-5.8SrDNA-ITS2) unequivocally indicate that the two forms represent different species. We apply the name N. foliosum (Sars, 1835) to the ‘shallow form’, and propose N. crypticum n. sp. for the ‘deep form’. A lectotype is fixed for N. foliosum.
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Acknowledgements
This paper is part of a research programme in which we analyse Scandinavian polychaete species complexes, funded by the Swedish Taxonomy Initiative (contracts 140/07 1.4 and dha 166/08 1.4 to AN), and the Adlerbert Research Foundation (to FP and AN). We wish to thank Tor Bakke, Torkild Bakken, Danny Eibye-Jacobsen, Jon Kongsrud and Christoffer Schander for help with collecting, loans, and information about museum collections, and Olaf Bininda-Emonds and two anonymous reviewers for valuable comments.
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Nygren, A., Eklöf, J. & Pleijel, F. Cryptic species of Notophyllum (Polychaeta: Phyllodocidae) in Scandinavian waters. Org Divers Evol 10, 193–204 (2010). https://doi.org/10.1007/s13127-010-0014-2
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DOI: https://doi.org/10.1007/s13127-010-0014-2