.
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Lip region continuous with body contour. In SEM
face views, oral disc lemon-shaped, submedian lobes low and flattened,
lateral lobes completely regressed.
Amphid
apertures appear as slits or pores at lateral edge of labial
disc.
Stylet attenuated, 15 to 25 µm long, with needle-like cone
(somewhat stronger in T. palustris).
Lateral
field areolated, with three lines.
Deirids
absent.
Tail long, three to six times as long as wide, cylindroid, with a
broadly rounded or clavate end, sometimes with thicker cuticle at tail
tip.
Male spicules with well-developed velum; bent gubernaculum.
[Ref: Fortuner & Luc, (1987).]
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