Acoela
Actinoposthia
Archactinoposthia Dörjes, 1968
Atriofronta Dörjes, 1968
Childianea Faubel & Cameron, 2001
Cyrtomorpha Graff, 1882
Microposthia Faubel, 1974
Paractinoposthia Ehlers & Dörjes, 1981
Paraproporus Westblad, 1945
Pelophila Dorjes, 1968
Philactinoposthia Dörjes, 1968
Pseudactinoposthia Dörjes, 1968
Tetraposthia Steinböck, 1930
