Taxonomy Here the leeches and oligochaetes are placed together in the Class Clitellata. The marine Polychaeta are ranked as a Class. These groups (and the Annelida) may be monophyletic, paraphyletic or polyphyletic. (Rouse and Pleijel, 2001).
Bamboo worms. Long and cylindrical and truncate at one or both ends. Most with long, cylindrical segments with a pair of nuchal slits and a median cephalic keel. Maldane, Axiothella, Rhodine, Nicomache.
^T. K. McCarthy, T.K., 1975 Observations on the Distribution of the Freshwater Leeches (Hirudinea) of Ireland Proceedings of the Royal Irish Academy. Section B: Biological, Geological, and Chemical Science Vol. 75 (1975), pp. 401-451
^Blakemore, R.J. 2005. British and Irish earthworms – A checklist of species updated from Sims & Gerardpdf .
McIntosh, William Carmichael A monograph of the British marine annelids. London, The Ray society,1873/1900-1922/23.online
Bellan, G. (2001) Polychaeta in Costello, M.J. (2001).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.
P. J. Hayward and J. S. Ryland Eds., 1999 The Marine Fauna of the British Isles and North-West Europe Oxford University Press ISBN9780198540557
Howson, C.M. & Picton, B.E.(eds) 1997. The species directory of the marine fauna and flora of the British Isles and surrounding seas.Ulster Museum and The Marine Conservation Society, Belfast and Ross-on-Wye.
Fauvel P., 1923. Polychètes errantes. Faune de France n° 5 488 p., 181 fig.PDF (25 Mo) (Identification)
Fauvel P., 1927. Polychètes sédentaires. Faune de France n° 16 494 p., 152 fig.PDF (25 Mo) (Identification)