Template:Diesing, 1850

• Diesing, K.M. 1850. Systema helminthum. Vol. 1. [i]–xiii [+ii], 1–680 pp. Vindobonae [Vienna]: sumptibus Academiae Caesareae Scientiarum. Online Google Books  
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Nomenclatural acts

• Date of publicationː
• ZooBank: [1]

New names

• Pachybdella 435
• Pachybdella rathkei 435