Argyrodiaptomus falcifer male, SEM photographs. A Segments 12–15 of A1R, showing detail of spinous process on segment 14 (arrowed) (100 µm) B Entire A1R (500 µm) C Segments 11–15 of A1R (100 µm) D Adult male, lateral view (1000 µm) E Spinous processes on segments 13 and 14 A1R (20 µm) F Segment 20 of A1R, showing falciform process (50 µm) G Complete P5, caudal view (200 µm) H Medial surface of BspP5L, showing spinular ornamentation (50 µm).