Emprosthopharynx onubensis sp. nov. (holotype MNCN 4.01/2799 to 2819). Histological sections are postero-anteriorly oriented: A. Dorsal view of a living specimen; B. Ventral view; C. Detail of the eyes; D. Histological section of the spermiducal vesicles; E. Histological section of the male copulatory organs; F. Histological section of the female organs; G. Sagittal reconstruction of the reproductive system. Abbreviations: c, cilia; cg, cemental glands; d, diverticulum; ed, ejaculatory duct; eg, extravesicular glands; el, epithelial lining; ev, external vagina; fa, female atrium; fp, female pore; i, intestine; iv, internal vagina; ma, male atrium; mp, male pore; mw, muscular wall; ov, oviduct; ph, pharynx; pr, penis rod; pv, prostatic vesicle; spv, spermiducal vesicles; sv, seminal vesicle.