FIGURE 9 in Description of two new species of apple snail (Ampullariidae: Pomacea) from Peruvian Amazonia

FIGURE 9. Male reproductive system of Pomacea penai: penis sheath externally deflected of (A) fresh MUSM 5700M and (B) fixed specimen MUSM 5692H, and (C) mantle deflected showing prostate and seminal vesicle (marked with dashed lines). Abbreviations: an, anus; asg, apical sheath gland; bsg, basal sheath gland; ct, ctenidium; os, osphradium; pb, penis bulb; pe, penis; pp, penis pouch; prs, prostate; ug, urinary gutter; vs, seminal vesicle. Scale bars = 10 mm.