Monhysteridae
(tree size 1051)
Linhomoeidae
(tree size 336)
Aponchiidae
(tree size 15)
Sphaerolaimidae
(tree size 109)
Siphonolaimidae
(tree size 55)
Xyalidae
(tree size 342)
Scaptrellidae
(tree size 6)
Linhomoeina
Monhysterina
(tree size 1)
Monhysteroidea
Bodonematidae
(tree size 2)
Siphonolaimoidea
(tree size 3)