Traits taxon details
original description
Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. [The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places.]. <em>Impensis Direct. Laurentii Salvii. Holmiae [Stockholm].</em> 1(10) [iii], 824 p., available online at https://biodiversitylibrary.org/page/726886 [details] Available for editors 
taxonomy source
Harding, W. A. (1910). A Revision of the British Leeches. <em>Parasitology.</em> 3(2): 130-201., available online at https://www.biodiversitylibrary.org/page/55827692 page(s): 172, figure 13; note: extensive synonymy, figure, and observations on usage and local extinction for the British Isles [details] 
additional source
Ébrard, Elie. (1853). Nouvelle monographie des sangsues médicinales: Description, classification, nutrition, reproduction, croissance, qualités des diverses races, multiplication dans les bassins, les barrails, les marais et les étangs; du commerce des sangsues et de ses fraudes, législation; du dégorgement, des maladies et de la conservation, etc . <em>[book].</em> 1-494, 12 plates, 76 colour figures of 104, J. B. Bailliére et fils, London., available online at https://books.google.com/books?id=GmE9AAAAYAAJ [details] 
additional source
Sawyer, R.T. (1986). Leech biology and behaviour. Vol. II. Feeding biology, ecology, and systematics. Clarendon Press. 375 p. page(s): 716 [details]
Present Inaccurate Introduced: alien Containing type locality
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