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African Natural History

On-line version ISSN 2305-7963
Print version ISSN 1816-8396

Afr. nat. history (Online) vol.6  Cape Town Jan. 2010


A new species of Magelona (Polychaeta: Magelonidae) from southern Namibia



Dylan T. ClarkeI; Gordon L.J. PatersonII; Wayne K. FlorenceIII; Mark J. GibbonsIV

INatural History Collections Department, Iziko South African Museum, P.O. Box 61, Cape Town, 8000 South Africa. E-mail:
IIThe Natural History Museum, Cromwell Road, London, SW7 5BD, U.K. E-mail:
IIINatural History Department, Iziko South African Museum, P.O. Box 61, Cape Town, 8000 South Africa. E-mail:
IVBiodiversity and Conservation Biology Department, University of the Western Cape, P.O. Box X17, Bellville, Cape Town, 7535 South Africa, E-mail:




A new species of Magelonidae, Magelona debeerei sp. nov., is described and illustrated from grab-samples collected at <100 m off the southwest coast of Africa. Magelona debeerei sp. nov. has previously been identified from the region as M. papillicornis (Müller, 1858) by Day (1955, 1961, 1967) but differs from M. papillicornis sensu stricto by possessing dorsal medial lobes on chaetigers 4-8 and lateral pouches (2 configuration) between chaetigers 10 and 11. Three species of Magelona have now been recorded from southern Africa (M. capensis Day, 1961, M. cincta Ehlers, 1908 and M. debeerei sp. nov.), and a key to Magelona from this region is provided.

Keywords: Polychaeta, Magelonidae, Magelona, southern African waters.



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We thank the Royal Society-National Research Foundation SET Programme for financial support and De Beers Marine (Pty) Ltd for the provision of specimens. We are grateful to the collections management and library staff of the Iziko South Museum and Natural History Museum, London, for access to comparative specimens and literature. Special thanks are conveyed to Alex Ball and colleagues at the NHM's EMMA unit for their assistance in specimen preparation and Scanning Electron Microscopy. Kevin Christison (Department of Agriculture, Forestry and Fisheries) is thanked for his assistance with compound and stereo microscope imagery. Last, but definitely not least, the senior author wholeheartedly thanks his mother, Lynette Clarke, who passed away during the authoring of this manuscript, for her inspirational example.



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Received 7 July 2010
Accepted 6 October 2010

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