Coniculostomum
Histriculus
(tree size 1)
Laurentiella
Onychodromus
Parastylonychia
(tree size 1)
Patersoniella
Pleurotricha
(tree size 3)
Rigidocortex
Rigidohymena
(tree size 4)
Sterkiella
(tree size 2)
Steinia