FIGURE 4 in A new species of the genus Thalassironus (Nematoda: Enoplida: Ironidae) from the coasts of South Korea

FIGURE 4. Scanning electron micrographs of Thalassironus koreanus sp. nov. A. male, face view; B. male mouth obstructed by unknown object, cervical papillae visible near the left-plane (arrow); C. female mouth and six lips and six inner labial papillae (arrow); D. female mouth, lateral view with outer labial setae and cephalic setae with slit for amphid ambiguously showing as well as cervical setae below.