(Micol., 1922) Micol., 1924
Syn.: Cyatholaimus (Paracyatholaimus)
Definition: Cyatholaiminae. Cuticle with fine transverse striae
not specially marked off laterally. Amphids spiral, situated at level
of stoma. Head composed of 6 indistinct lips, each with an inconspicuous
papilla; a circlet of cephalic setae, often 10 in number, present.
Stoma cup-shaped with longitudinal folds in walls and with a large pointed
dorsal tooth at base. Oesophagus cylindrical and slightly swollen
behind. Vulva equatorial; gonads paired, opposed, reflexed.
Spicules ventrally arcuate, slender; gubernaculum double, somewhat keel-like
and with an expanded portion on either side of tips of spicules. Pre-anal,
mid-ventral supplements present. Caudal glands and terminal duct
(Description- Goodey, 1963)
Type species: Paracyatholaimus dubiosus (Butschli, 1874)
Syn.: Cyatholaimus dubiosus