Acotylea (status source)
Amakusaplana acroporae Rawlinson, Gillis, Billings & Borneman, 2011 accepted as Prosthiostomum acroporae (Rawlinson, Gillis, Billings & Borneman, 2011) (source of synonymy)
Amakusaplana ohshimai Kato, 1938 accepted as Prosthiostomum ohshimae (Kato, 1938) (additional source)
Amyellidae Faubel, 1984 (status source)
Amyris ujara Marcus & Marcus, 1968 accepted as Amyris hummelincki Marcus & Marcus, 1968 (source of synonymy)
Boniniidae Bock, 1923 (status source)
Cestoplanidae Lang, 1884 (status source)
Cestoplanoidea Bahia, Padula & Schrödl, 2017 accepted as Cotylea (status source)
Chromoplanidae Bock, 1922 (status source)
Chromoplanoidea Bahia, Padula & Schrödl, 2017 accepted as Cotylea (status source)
Euryleptoidea Faubel, 1984 accepted as Cotylea (status source)
Ilyplanidae Faubel, 1983 (status source)
Ilyplanoidea Faubel, 1984 accepted as Cryptoceloidea Bahia, Padula & Schrödl, 2017 accepted as Discoceloidea Dittmann, Cuadrado, Aguado, Noreña & Egger, 2019 (status source)
Latocestidae Laidlaw, 1903 (status source)
Maritigrella crozieri (Hyman, 1939) accepted as Prostheceraeus crozieri (Hyman, 1939) (source of synonymy)
Maritigrella newmanae Bolanos, Quiroga & Litvaitis, 2007 accepted as Prostheceraeus floridanus Hyman, 1955 (source of synonymy)
Melloplana Faubel, 1983 accepted as Notocomplana Faubel, 1983 (status source)
Melloplana ferruginea (Schmarda, 1859) accepted as Notocomplana ferruginea (Schmarda, 1859) (source of synonymy)
Notocomplanidae Litvaitis, Bolaños & Quiroga, 2019 (basis of record)
Pericelidae Laidlaw, 1902 (status source)
Pericelis Laidlaw, 1902 (status source)
Periceloidea Bahia, Padula & Schrödl, 2017 (status source)
Persica Maghsoudlou, Bulnes & Rahimian, 2015 accepted as Notoplana Laidlaw, 1903 (source of synonymy)
Persica qeshmensis Maghsoudlou, Bulnes & Rahimian, 2015 accepted as Notoplana qeshmensis (Maghsoudlou, Bulnes & Rahimian, 2015) (source of synonymy)
Phaenocelis peleca Marcus & Marcus, 1968 (status source)
Phaenoplana peleca (Marcus & Marcus, 1968) accepted as Phaenocelis peleca Marcus & Marcus, 1968 (source of synonymy)
Pleioplana atomata (Müller OF, 1776) accepted as Notoplana atomata (Müller OF, 1776) (source of synonymy)
Polycladida (additional source)
Prosthiostomoidea Bahia, Padula & Schrödl, 2017 accepted as Prosthiostomidae Lang, 1884 (status source)
Prosthiostomum utarum Marcus, 1952 (status source)
Pseudobiceros evelinae (Marcus, 1950) accepted as Pseudobiceros splendidus (Lang, 1884) (source of synonymy)
Pseudobiceros hymanae Newman & Cannon, 1997 (source of synonymy)
Pseudobiceros periculosus Newman & Cannon, 1994 accepted as Pseudobiceros splendidus (Lang, 1884) (source of synonymy)
Pseudoceros depiliktabub Newman & Cannon, 1994 accepted as Pseudoceros duplicinctus Prudhoe, 1989 (source of synonymy)
Pseudoceros prudhoei Newman & Cannon, 1994 (additional source)
Pseudocerotidae Lang, 1884 (status source)
Pseudocerotoidea Faubel, 1984 (status source)
Theamatidae Marcus, 1949 (status source)
Tytthosoceros inca Baeza, Veliz, Pardo, Lohrmann & Guisado, 1997 (source of synonymy)
Tytthosoceros nocturnus Newman & Cannon, 1996 (source of synonymy)