Genus Metasphaerolaimus Gourbault & Boucher, 1981
Ceratosphaerolaimus Fadeeva, 1983: 1329, fig. 5. (see Jensen 1992: 8)
Diagnosis (modified from Fonseca & Bezerra 2014)
Cuticle finely striated. Six inner labial papillae; six outer labial setae at same level as four longer cephalic setae; eight groups of sub-cephalic setae. Amphideal fovea circular, situated posteriorly to buccal cavity. Buccal cavity strongly cuticularised with six H- or X-shaped mandibles, hooked anteriorly and articulating on cuticularised rim posteriorly. Pharynx cylindrical with strongly cuticularised lumen.
Type species
M. cancellatus Gourbault & Boucher, 1981 .