Notodiaptomus henseni male, SEM photographs. A Segments 13–16 of A1R (100 µm) B Ped4 and Ped5, and anterior part of urosome (100 µm) C Detail showing spinular ornamentation of Ped3 and Ped4 (100 µm) D Detail of spinules on Ped2-Ped4 (100 µm) E, F Segment 1 of A1R, showing spinular ornamentation (50 µm) G A2 (100 µm) H Rostrum and spinules on segment 1 of A1L (50 µm) I Segments 11–16 of A1R (100 µm) J Detail of Bsp of A2 (20 µm).