Metaparoncholaimus
(tree size 5)
Metoncholaimus
(tree size 28)
Adoncholaimus
(tree size 30)
Prooncholaimus
(tree size 14)
Meyersia
(tree size 7)
Oncholaimus
(tree size 152)
Paradoncholaimus
(tree size 2)
Oncholaimellus
(tree size 23)
Mononcholaimus
(tree size 19)
Pontonema
(tree size 45)
Vasculonema
(tree size 2)
Curvolaimus
(tree size 5)
Convexolaimus
(tree size 3)
Oncholaimoides
(tree size 3)
Pelagonema
(tree size 15)
Viscosia
(tree size 117)
Pseudopelagonema
(tree size 2)
Filoncholaimus
(tree size 6)
Krampia
(tree size 3)
Fotolaimus
(tree size 2)
Pelagonemella
(tree size 1)
Pseudoncholaimus
(tree size 13)
Metoncholaimoides
(tree size 2)
Phaenoncholaimus
(tree size 1)
Bradybucca
(tree size 2)
Phylloncholaimus
(tree size 2)
Oncholaimium
(tree size 9)
Adoncholaiminae
(tree size 6)
Dioncholaimus
(tree size 1)
Pelagonematinae
(tree size 4)
Cacolaimus
(tree size 1)
Meroviscosia
(tree size 1)
Octonchinae
(tree size 6)
Oncholaiminae
(tree size 3)
Krampiinae
Oncholaimellinae
(tree size 1)
Pontonematinae
Oloncholaimus