Notodiaptomus henseni male, SEM photographs. A P1, Details of spinular ornamentation on Cx and Bsp (50 µm) B Left and right P5 (150 µm) C Sclerotized processes on left and right BspP5 (10 µm) D P5 (100 µm) E, F Detail of sclerotized processes on left and right BspP5 (E = 20 µm; F = 10 µm) G P5 (200 µm).