FIGURE 4 in Description of two new species of apple snail (Ampullariidae: Pomacea) from Peruvian Amazonia

FIGURE 4. Outer and inner views of Pomacea spp. nov. opercula: Pomacea penai: (A) holotype MUSM 5692H and (B) paratype MUSM 5692P; Pomacea reevei: (C) holotype MUSM 5723H and (D) paratype MUSM 5723P. Scale bars = 10 mm.Published as part of Ampuero, André & Ramírez, Rina, 2023, Description of two new species of apple snail (Ampullariidae: Pomacea) from Peruvian Amazonia, pp. 76-98 in Zootaxa 5258 (1) on page 82, DOI: 10.11646/zootaxa.5258.1.3, http://zenodo.org/record/777316