FIGURE 3. Rhinebothrium quequense n in Cestodes of Pseudobatos horkelii (Müller and Henle) (Rhinopristiformes) including Rhinebothrium quequense n. sp. (Rhinebothriidea) and Caulobothrium pieroi n. sp. ("Tetraphyllidea") from the southwestern Atlantic

FIGURE 3. Rhinebothrium quequense n. sp. from Pseudobatos horkelii (Müller and Henle), light micrographs of cross sections of a mature proglottid. A—anterior to the genital atrium. B—at the level of the genital atrium showing the cirrus sac. C—at the level of the genital atrium showing the vagina. D—anterior to the ovarian isthmus. Abbreviations: cs—cirrus sac, dod—dorsal osmoregulatory duct, ov—ovary, t—testis, ut—uterus, vd—vas deferens, vf—vitelline follicle, vg—vagina, vod—ventral osmoregulatory duct.