Gonangulum sclerotisation (laterocoxa 9 ¼ LC9 ¼ LCa9 þ LCp9) and adjacent parts of surrounding sclerotisations shown schematically for three species of ovipositor-bearing Odonata (compare Fig. 4E); anterior parts of LC9 (LCa9) in yellow, posterior parts (LCp9) orange coloured (posterior parts of LCp9 omitted), other sclerotisations in other colours according to assumed homology (larger parts of sclerites cut off along undulate lines); dark ribbons are sulci (sx, sy); orientation:
{anterior, / lateral.