Traits taxon details
original description
Johnson, James Rawlins. (1816). A treatise on the medicinal leech: including its medical and natural history, with a description of its anatomical structure: also, remarks upon the diseases, preservation and management of leeches. <em>[book].</em> 147 pp. Longman, Hurst, Rees, Orme, and Brown, London., available online at https://www.biodiversitylibrary.org/item/193786 page(s): 31; note:
In rivers, but Johnson gives no geographic locations from which it was collected. Marrone et al (2024) state Johnson's specimens came sold from commercial pharmacies in England, thus probably origina...
In rivers, but Johnson gives no geographic locations from which it was collected. Marrone et al (2024) state Johnson's specimens came sold from commercial pharmacies in England, thus probably originally collected in Europe or the Mediterranean states..
[details]
additional source
Marrone, F.; Stoch, F.; Vecchioni, L.; Botta, M. M.; Utevsky, S.; Faraone, F. P. (2024). On the occurrence of the Dragon leech <i>Hirudo troctina</i> Johnson, 1816 (Annelida, Hirudinea) in Sardinia (Italy). <em>The European Zoological Journal.</em> 91(2): 842-854., available online at https://www.tandfonline.com/doi/full/10.1080/24750263.2024.2378831 note: on the distribution and abundance of Hirudo troctina in Sardinia, plus molecular analysis. [details]
additional source
Gervais, Paul. (1835). Sur la patrie de la sangsue interrompue, [Unobtainable, cited in Moquin-Tandon, 1846 & in
Blanchard, 1894, re Hirudo troctina.] . <em>Bulletin de la Société de l'histoire naturelle de France.</em> 1: ?-?. note: Said to have discovered that the geographic origin of Hirudo troctina as collected and sold in France was in N Africa [details]
subsequent type designation
Hechtel, F. O. P.; Sawyer, Roy T. (2002). Toward a taxonomic revision of the medicinal leech Hirudo medicinalis Linnaeus, 1758 (Hirudinea: Hirudinidae): re-description of Hirudo troctina Johnson, 1816 from North Africa. <em>Journal of Natural History.</em> 36(11): 1269-1289., available online at https://www.tandfonline.com/doi/abs/10.1080/00222930110048945 page(s): 1272, figures 1-3; note: neotype designation for specimen from Lake Aguelman, Sidi Ali, Moyen Atlas Mountains, Morocco [details] Available for editors 
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