Coxobolellus serratoligulatus sp. nov., holotype, gonopods (CUMZ-D00154-1) A, D anterior gonopod, anterior view B, E anterior gonopod, posterior view, unlabeled arrows indicate a pigmented brown node C, F left posterior gonopod G SEM, left posterior gonopod, posterior-mesal view H SEM, tip of posterior gonopod, posterior-lateral view, unlabeled arrow indicates the tongue-like process I SEM, left female vulva, posterior-mesal view. at = anterior gonopod telopodite; cx = coxa; oeg = opening of efferent groove; op = operculum of vulva; pcx = coxal part of the posterior gonopod telopodite; pt = telopodital part of the posterior gonopod telopodite.