Ardissoneales
(tree size 1)
Climacospheniales
(tree size 13)
Cyclophorales
(tree size 19)
Licmophorales
(tree size 115)
Protoraphidales
(tree size 7)
Rhabdonematales
(tree size 25)
Rhaphoneidales
(tree size 79)
Striatellales
(tree size 56)
Thalassionematales
(tree size 37)
Toxariales
(tree size 4)