FIGURE 9 in Further revision of the genus Bythotrephes Leydig (Crustacea: Cladocera: Onychopoda): redescription of B. brevimanus Lilljeborg, reevaluation of B. cederströmii Schödler, and description of a new species of the genus

FIGURE 9. Bythotrephes cederströmii Schödler, 1877, females. Lake Nizhnee Nilm-ozero (Russia). A, labral papillae. B, distal part of mandible. C, D, papillae of mandibular process. E, pseudognathobase of tl I. F, armament of posterior seta of first endopodital segment of tl I. Scale bars: 50 µm (B), 25 µm (E), 10 µm (C), 5 µm (A), 3µm (D, F).