Piscicola siddalli n. sp., a Leech Species from the United Kingdom (Clitellata: Hirudinida: Piscicolidae)
Molecular differentiation of epigeic and anceic forms of Drawida ghilarovi Gates, 1969 (Moniligastridae, Clitellata) in the Russian Far East: Sequence data of two mitochondrial genes
Comments on the classification of the Clitellata
Clitellata