Definition: Dorylaiminae. Characterized by the disc-like
lip region, expanded much more widely than the head constriction.
Lateral chords with a series of glandular organs, each with a duct extending
through the cuticle and forming a single lateral row of pores on either
side. Amphid apertures practically invisible beneath projecting lips.
Anterior fixed ring of guiding sheath relatively high in pharynx.
Oesophagus beginning as an elongate, spindle-shaped swelling around the
base of the spear extension, then extending behind and expanding rather
suddenly to form the main muscular portion. Dorsal oesophageal gland
placed rather further back than in other Dorylaims; its duct extending
a little forward before entering the oesophageal lumen. Female gonad
single or double, reflexed. Spicules broad, slightly arcuate.
Lateral guiding pieces present. Supplements consisting of a pre-anal
pair and a ventral row.
Type species: Discolaimus
texanus Cobb, 1913
syn. Dorylaimus (Discolaimus) texanus (Cobb, 1913) Micol.,
Species found: at: