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Timm, Tarmo; Martin, Patrick. (2019). Phylum Annelida. Class Clitellata: Subclass Oligochaeta. Keys to Palearctic Fauna. [Book chapter]. p364-482 in Thorp and Covich's Freshwater Invertebrates, volume 4, 4th edition, edited by Rogers, DC, Thorp JH, Academic Press, Boston.
Timm, Tarmo; Martin, Patrick. (2019). Phylum Annelida. Class Clitellata: Subclass Oligochaeta. Keys to Palearctic Fauna. [Book chapter]. p364-482 in Thorp and Covich's Freshwater Invertebrates, volume 4, 4th edition, edited by Rogers, DC, Thorp JH, Academic Press, Boston.
