1. Cephalic
extremity and cervical zone in a female paratype. Right lateral view showing the
structure of the esophoagus, position of the nerve ring, excretory pore, and
cervical papillae. 2a.b. Cephalic extremity of allotype female. (a) Right
lateral view of buccal cavity with well defined buccal ring and prominent dorsal
esophageal tooth; (b) apical view, drawn from SEM of paratype, with dorsal
oriented toward top of plate showing tooth, structure of oral aperture, and
distribution of cephalic and externolabial papillae. 3. Tail in a female
paratype showing rounded tip and ventral cuticular inflations at anus. 4.
Ovejector and vulva in allotype female in left lateral view. Note structure of
infundibula, sphincters, and vestibule; sublateral position of the transverse
vulva; and broad cuticular inflations bordering the vulva. 5. Egg in utero.
(Hoberg, Lloyd, &Omar, 1995, J. Parasitol. 81: 85-93)