Fig. 4. Reproductive anatomy of Pyrgulopsis cybele, USNM 1157696: A, penis, dorsal surface; B, penis, ventral surface; C, penis, dorsal surface; D, female glandular oviduct and associated structures (viewed from left side); E, bursa copulatrix; F, seminal receptacle. Abbreviations: Ag, albumen gland; Bu, bursa copulatrix; Cd, common duct of seminal receptacle and coiled oviduct; Cg, capsule gland; Cov, coiled oviduct; Dbu, bursal duct; Dg1, dorsal gland along inner edge; Ga, female genital aperture; Pd, penial duct; Pg, penial gland; Pw, posterior wall of pallial cavity; Sr, seminal receptacle; Tg, terminal gland; Vc, ventral channel of capsule gland; Vg, ventral gland. Scale bars = 500 μm.
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