Glossidiella peruensis sp. nov. from lungs of brown ground snake Atractus major. Scanning electron micrographs: (5) forebody, lateral view; (6) oral sucker region with small button-like papillae distributed on dorsal surface, indicated by arrows; (7) Forebody, ventral view, showing cirrus, indicated by an arrow; (8) cirrus, lateral view; (9) cirrus, apical view; (10–11) spines; (12) posterior end of body with excretory pore, indicated by an arrow. Scale bars: 5, 7 = 200 μm, 6 = 10 μm, 8 = 25 μm, 9 = 15 μm, 10 = 25 μm, 11 = 10 μm, 12 = 50 μm.