George, J. D.; Hartmann-Schröder, G. (1985). Polychaetes: British Amphinomida, Spintherida and Eunicida: keys and notes for the identification of the species. <em>Synopses of the British fauna (new series), 32. E.J. Brill; W. Backhuys: London, UK. ISBN 90-04-07580-1.</em> vii, 221 pp. (look up in IMIS) [details]
Length up to 10 mm, width including chaetae up to 5 mm