20-30 mm long x 10-13 mm wide
• Flat
• Cephalic cone
• Oral sucker = ventral sucker
• Oral sucker: tip of cephalic cone
• Ventral sucker: base of cephalic cone
• 2 branches of intestinal ceca
• 2 branched testes
• 1 branched ovary
• Vitellaria: branched follicles