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)
