FIGURE 6 in Description of two new species of apple snail (Ampullariidae: Pomacea) from Peruvian Amazonia

FIGURE 6. Visceral mass showing pallial cavity roof, and foregut in lateral view of (A, C) Pomacea penai and (B, D) Pomacea reevei. Abbreviations: am, ampulla; ct, ctenidium; dg, digestive gland; ed, esophageal diverticulum; es, esophagus; in, intestine; ls, lung sac; mb, mantle border; os, osphradium; po, pallial oviduct; pk, posterior kidney; rct, rectum; rs, radular sac; sg, salivary gland; st, septum; ve, ventricle; v, vagina. Scale bars = 10 mm.