Figures 20-25 from: Akkari N, Koon-Bong Cheung D, Enghoff H, Stoev P (2013) Revolving SEM images visualising 3D taxonomic characters: application to six species of the millipede genus Ommatoiulus Latzel, 1884, with description of seven new species and an interactive key to the Tunisian members of the genus (Diplopoda, Julida, Julidae). ZooKeys 328: 5-45. https://doi.org/10.3897/zookeys.328.5763

Figures 20-25 - Ommatoiulus khroumiriensis sp. n. paratypes, gonopod structures. 20 Right promerite, posterior view 21 Right posterior gonopod, mesal view 22 Right posterior gonopod, lateral view 23 Right posterior gonopod, meso-posterior view 24 Right posterior gonopod, anterior-mesal view 25 Right posterior gonopod,anterior view. Abbreviations: ap distal process of the promerite, ap2 lobed process, Co coxite, ds distal process of the solenomerite, F fovea, g seminal groove, hp3, hp4 distal processes of the solenomerite, i lateral incision of the promerite, mp blunt mesal process, M mesal ridge, Ms mesomerite, n notch of the solenomerite, pr triangular subapical process of the solenomerite, Px paracoxite, S solenomerite. Scale bar: 0.1 mm.