Definition: Myolaimidae. Cheilo-, pro- and mesorhabdions fused and
forming a short broad chamber inarching at mouth. Metastom anisoglottid
and anisomorphic, dorsal segment with large hump-like tooth, the subventral
segments each paired denticles in tandem. Telostom narrow and rhabdions
may be absent. Oesophageal collar reaches to base of mesorhabdions.
Oesophagus and gonads panagrolaimoid. Female tail narrowing beyond
the anus, ocnical to a thread-like point. Male tail with bursa supported
by 7 or 8 pairs of papillae. Spicules and gubernaculum absent.
Type species: Myolaimus heterurus Cobb, 1920
syn. M. stiloides Weingartner in Hirschmann, 1952 [nomen nudum]
(Description- Goodey, 1963)