FIGURE 4 in Four new species of Epacanthion Wieser, 1953 (Nematoda: Thoracostomopsidae) in intertidal sediments of the Nanji Islands from the East China Sea

FIGURE 4. Epacanthion longicaudatum sp. nov. A–C: anterior portion of the male holotype, showing the mandibles and onchium, the narrow pharynx and the cervical circle of 16 bundles each composed of six distinctly short setae arranged in two longitudinal rows posterior to the nerve ring; D, E: posterior portion of the male holotype showing the spicules and gubernaculum and the long tail. Bars = 30 µm (A, D and E), 10 µm (C).