FIGURES 15 & 16 in Towards resolving the problematic status of the digenean genus Astiotrema Looss 1900: An updated concept and revision of species composition for Astiotrema (sensu stricto)

FIGURES 15 & 16. Intra-specific variations observed in Astiotrema emydis Ejsmont, 1930. 15. A. emydis, dorsal view, redrawn from Ejsmont (1930, fig. 1). 16. A. emydis, ventral view, redrawn from Modrzejewska (1938, fig. 1). Abbreviations: AT, anterior testis; Ce, cecum; CP, cirrus-pouch; EP, excretory pore; Es, esophagus; EV, excretory vesicle; GP, genital pore; OD, ovarian duct; OS, oral sucker; Ov, ovary; P.Ph, prepharynx; Ph, pharynx; PP, pars prostatica; PT, posterior testis; SR, seminal receptacle; SV, seminal vesicle; Ut, uterus; VD, vitelline duct; V-D, vas-deferens; VF, vitelline follicle; VR, vitelline reservoir; VS, ventral sucker. Scale bars: Fig. 15 = 500 µm; Fig. 16 = 500 µm.