Figures 27-30 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 27-30 - Ommatoiulus xenos sp. n. holotype,gonopod structures. 27 Right promerite, posterior view 28 Right posterior gonopod, mesal view 29 Right posterior gonopod, antero-lateral view 30 Right posterior gonopod, posterior view. Abbreviations: Co coxite, ds distal process of the solenomerite, F fovea, fl folded lamella, g seminal groove, i lateral incision of the promerite, M mesal ridge, mp distal process, Ms mesomerite, pr blunt process of the solenomerite, Px paracoxite, S solenomerite. Scale bar: 0.1 mm.