A tube-living bristle worm whose body consists of two parts: a swollen anterior end with a reduced head and specially formed segments and a narrowed posterior end. The head has numerous active feeding tentacles. Three pairs of bright-red gills are present on the first three segments behind the head. Measures up to 300 mm long. The tube consists of medium-sized to large sand grains with a characteristic fan shape at the top. Several tubes together can form so-called ‘sand reefs’.
- Degraer S., J. Wittoeck, W. Appeltans, K. Cooreman, T. Deprez, H. Hillewaert, K. Hostens, J. Mees, E. Vanden Berghe & M. Vincx (2006). The macrobenthos atlas of the Belgian part of the North Sea. Belgian Science Policy. D/2005/1191/3. ISBN 90-810081-6-1. 164 pp. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=9234
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