FIGURE 3 in Redescription of Bythotrephes longimanus Leydig, 1860 and B. cederströmii Schödler, 1877 (Crustacea: Cladocera: Onychopoda), with notes on the morphology and systematics of the genus Bythotrephes Leydig, 1860

FIGURE 3. Bythotrephes longimanus Leydig, parthenogenetic females, Bodensee (Germany) (type locality). A, distal end of second segment of upper antennal branch. B, distal end of mandible. C, papillae of mandibular process. D, spinules of distal part of mandible. E, upper lip (labrum). F, apical papillae of middle lobe of upper lip. Scale bars: 20µm (A, B, E); 5µm (C, D, F).