Platyhelminthes
Amyellidae Faubel, 1984
Anocellidae Quiroga, Bolanos & Litvaitis, 2006
Apidioplanidae Bock, 1926
Candimboididae Faubel, 1983
Chromoplanidae Bock, 1922
Dicteroidae Faubel, 1984
Didangiidae Faubel, 1983
Diplopharyngeatidae
Diplosoleniidae Bock, 1913
Diposthidae Woodworth, 1898
Discoprosthididae Faubel, 1983
Ditremageniidae Palombi, 1928
Emprosthopharyngidae
Euplanidae Marcus & Marcus, 1966
Euryleptididae Faubel, 1984
Gnesiocerotidae Marcus & Marcus, 1966
Laidlawiidae Herzig, 1905
Limnostylochidae Faubel, 1983
Mucroplanidae Faubel, 1983
Notenteridae Joffe, Selivanova & Kornakova, 1997
Notocirridae Faubel, 1983
Notoplanidae Marcus & Marcus, 1966
Opisthogeniidae Palombi, 1928
Palauidae Faubel, 1983
Platydendron Simonetta & Delle-Cave, 1978
Pseudoceridae
Pseudostylochidae Faubel, 1983
Rhabdocoela Meixner, 1925
Seriata Bresslau, 1928-33
Stylochocestidae Bock, 1913
Stylochoididae Bock, 1913
Stylochoplanidae Faubel, 1983
Theamatidae Marcus, 1949
Urastomidae Marcus, 1951