Figures 4–8 in Peruanocotyle Pelagica N. Sp. (Monogenea: Monocotylidae), Parasite Of The Pacific Cownose Ray Rhinoptera Steindachneri Evermann And Jenkins, 1891 (Batoidea: Rhinopteridae) From The Southern Mexican Pacific Ocean

Figures 4–8. Scanning electron mi- croscope (SEM) images of Peruanoco- tyle pelagica n. sp. from Rhinoptera steindachneri off Oaxaca, Mexico. (4) Haptor with vertical arrows showing a few septal papillae and horizontal arrows (small) showing marginal pro- cesses as well as anchor-associated processes (large). (5) Magnification of marginal structures. (6) Anterior at- tachment organ and genital pores. (7) Detailed view of papillae on anterior attachment organ. (8) Male and uter- ine pores and almost-everted sclero- tized male copulatory organ (MCO) of P. pelagica from R. steindachneri off Guerrero, Mexico. Abbreviations: an- chor-associated process, ap; dendritic structures, ds; male pore, mp; marginal process, mpr; outer-ring septal papilla, opa; sclerotized MCO, sMCO; uterine pore, up; vaginal pore, vp.