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Division (h) Hirudinoidea

United Kingdom

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Nesemann, H. & Neubert, E. (1999): Annelida: Clitellata: Branchiobdellida, Acanthobdellea, Hirudinea. – Süßwasserfauna von Mitteleuropa, vol. 6/2, 178 pp., Berlin (Spektrum Akad. Verlag). ISBN 3-8274-0927-6. [for Hirudo medicinalis and Hirudo verbana]