Acoela
Amphiscolops Graff, 1905
Brachypea Antonius, 1968
Conaperta Antonius, 1968
Convoluta Ørsted, 1843
Haplodiscus Weldon, 1888
Heterochaerus Haswell, 1905
Monochoerus Lohner & Micoletzky, 1911
Neochildia Bush, 1975
Oligochoerus Beklemischev, 1963
Oxyposthia Ivanov, 1952
Picola
Polychoerus Mark, 1892
Praesagittifera Kostenko & Mamkaev, 1990
Pseudoconvoluta Beklemischev, 1929
Stomatricha Hooge, 2003
Waminoa Winsor, 1990
Wulguru Winsor, 1988