Carnioiulus Verhoeff, 1930 (original description)
Castaneoiulus Verhoeff, 1930 (original description)
Caucasoiulus Verhoeff, 1930 (original description)
Celaenosthanus Vitzthum, 1930 (original description)
Dendroiulus Verhoeff, 1930 (original description)
Meliponaspis Vitzthum, 1930 (original description)
Nematoniscus Verhoeff, 1930 (original description)
Ormeoiulus Verhoeff, 1930 (original description)
Orocylindrus Verhoeff, 1930 (original description)
Panagrolaimus Fuchs, 1930 (original description)
Plectonchus Fuchs, 1930 (original description)
Poikilolaimus Fuchs, 1930 (original description)
Rhabditophanes Fuchs, 1930 (original description)
Rhodolaimus Fuchs, 1930 (original description)
Stylohylea Verhoeff, 1930 (original description)
Tachysoniscus Verhoeff, 1930 (original description)
Trigonholaspis Vitzthum, 1930 (original description)
Tylenchodon Fuchs, 1930 accepted as Neodiplogaster Cobb, 1924 (original description)