Figure 2 in Systematics, phylogeny, and natural history of Bullacta exarata (Philippi, 1849): an endemic cephalaspidean gastropod from the China Sea

Figure 2. Male genital system of Bullacta exarata (MNHN, Paris, shell height = 17 mm). Notes: at, atrium; bc, blind caecum; ga, genital aperture; gr1, glandular region one; gr2, glandular region two; id, inwards duct; od, outwards duct; pr, prostate; ps, penial sheath; scale bar, 1 mm.