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- Medium-sized nematodes, body cylindrical, tapering posteriorly,
truncate anteriorly.
- Cuticle with fine, regular transverse striations.
- Mouth opening triangular, surrounded by 3 large lips, each with 2
forked papillae.
- One amphid on each ventrolateral lip.
- Additional cephalic papillae absent.
- Esophagus with inflated isthmus and posterior spherical bulb.
- Tail conical in both sexes.
- Male monorchic, female amphidelphic.
- Species of Falcaustra are distinguished based on
charateristics of the male, usually on the number and arrangement of
caudal papillae, length of spicules, and presence or absence of a
pseudosucker.
Ref Bursey et al. (2014).
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