Definition: Alaimoidea. Amphid apertures large, transverse
slits or crescents. Amphids broad, deeper than wide; sometimes elongate-conoid.
Oesophagus narrow but expanding to terminal swelling. Female gonads
paired, opposed, reflexed (except in A. dolichurus and A. pusillus).
Spicules short, somewhat sigmoid in A. lemani.
Type species: Amphidelus lissus Thorne, 1939
Species found: at: