Anticomidae
(tree size 95)
Eurystominidae
(tree size 80)
Enoplidae
(tree size 256)
Oxystominidae
(tree size 251)
Ironidae
(tree size 105)
Phanodermatidae
(tree size 129)
Rhabdodemaniidae
(tree size 32)
Tripylidae
(tree size 132)
Symplocostomatidae
(tree size 22)
Prismatolaimidae
(tree size 63)
Trefusiidae
(tree size 66)
Oncholaimidae
(tree size 574)
Lauratonematidae
(tree size 20)
Enchelidiidae
(tree size 165)
Phanerodermatidae
Leptosomatidae
(tree size 324)
Anoplostomatidae
(tree size 32)
Cryptonchidae
(tree size 8)
Enoplina
(tree size 181)
Tripyloidina
(tree size 249)
Alaimina
(tree size 1)
Campydorina
(tree size 2)
Dioctophymina
(tree size 6)
Ironina
(tree size 1)
Trichinellina
(tree size 1)
Triodontolaimidae
(tree size 2)
Palaeoenoploididae
Palaeonematidae
(tree size 1)
Andrassyidae
(tree size 2)
Trefusiina
(tree size 4)
Oxystominoidea
Oncholaimina