URMO taxon details
original description
Savigny, Jules-C�sar. (1822). Syst�me des ann�lides, principalement de celles des c�tes de l'�gypte et de la Syrie, offrant les caract�res tant distinctifs que naturels des Ordres, Familles et Genres, avec la Description des Esp�ces. <em>Description de l'�gypte ou Recueil des Observations et des Recherches qui ont �t� faites en �gypte pendant l'Exp�dition de l'Arm�e Fran�aise, publi� par les Ordres de sa Majest� l'Empereur Napol�on le Grand, Histoire Naturelle, Paris.</em> 1(3):1�128., available online at http://biodiversitylibrary.org/page/41329897 [details] 
basis of record
van der Land, J. (2001). Hirudinea, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 234-235 (look up in IMIS) [details]
additional source
Pollock, L.W. (1998). A practical guide to the marine animals of northeastern North America. Rutgers University Press. New Brunswick, New Jersey & London. 367 pp., available online at http://books.google.com/books?id=i1AmT31cuR4C [details]
additional source
Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp. (look up in IMIS) [details] Available for editors 
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