FIGURE 11 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 11. Bythotrephes cederströmii Schödler, 1877. A‒D: females, Lake Nizhnee Nilm-ozero (Russia). E, F: male, Lake Taiyllaar (Russia). A, B, C, pseudognathobase of tl II, tl III, and tl IV, respectively (pores arrowed). D, anterior seta of second endopodital segment of tl II. E, hook on inner proximal part of distal endopodital segment of tl I (denticulated area arrowed). F, denticulated area near male's hook. Scale bars: 20 µm (A, B, E), 10 µm (C, D), 5 µm (F).