Le Genre Anomopsyllus Sars, 1921, Copépode Parasite D'Annélides Polychètes: a. Pranizoides Sars, 1921 Et a. Abyssorum Nov. Sp

Description of both male and female of Anomopsyllus pranizoides Sars, 1921, found parasitic on the polychaete Amphicteis gunneri, together with the description of a new abyssal species of Anomopsyllus, A. abyssorum, living on an unidentified ampharetid in the Bay of Biscay. Anomopsyllus Sars, 1921, clearly belongs to the family Nereicolidae which remains rather heterogeneous.