Figure 5. External morphology of (A) Pomacea maculata and (B) Pomacea canaliculata; top, dorsal view; bottom, left side view. Abbreviations: ak, anterior kidney; amp, ampulla; au, auricle; cm, columellar muscle; ct, ctenidium; dg, digestive gland; f, foot; int, intestine; lp, labial palp; ls, lung sac; me, mantle edge; nl, nuchal lobe; ov, ovary; os, osphradium; pb, penis bulb; pc, pyloric caecae; per, pericardium; pg, pedal gland; pk, posterior kidney; pn, pneumostome; po, pallial oviduct; pp, penis pouch; ps, prostate; psh, penis sheat; rg, rectal gland; rt, rectum; si, siphon; ss, style sac; sto, stomach; t, tentacle; te, testis; v, ventricle. Scale bar: 10 mm.