Figure 4.

Scanning electron micrographs of the third-stage larvae of Pseudoterranova cattani collected from Prionotus nudigula. A. Anterior end, ventral view. B. Anterior end, apical view. C. Detail of the area of the glandular ventriculus and intestinal caecum of a dissected worm, lateral view. D. Posterior end, ventral view. E. Mucron, lateral view. Black arrowheads point to the boring tooth and white arrowheads point to the excretory pore. Abbreviations: i, intestine; ic, intestinal caecum; gv, glandular ventriculus; o, oesophagus.