Alcoides accepted as Alchoides Willems, Schockaert & Artois, 2006 (basis of record)
Alcoides alcoides accepted as Alchoides alchoides Willems, Schockaert & Artois, 2006 (basis of record)
Annaliscella accepted as Annalisella Karling, 1978 (basis of record)
Archimonocelidae accepted as Archimonocelididae Meixner, 1938 (basis of record)
Bulbotoplana cephala accepted as Bulbotoplana acephala Ax, 1956 (basis of record)
Byrsopahlebidae accepted as Byrsophlebidae Graff, 1882 (basis of record)
Carcharodognathus stolifer accepted as Carcharodognathus stilofer (Schilke, 1970) Evdonin, 1977 accepted as Paragnathorhynchus subterraneus Meixner, 1938 (basis of record)
Cheliplana urungayensis accepted as Cheliplana uruguayensis Van Steenkiste, Volonterio, Schockaert & Artois, 2008 (basis of record)
Cirrifera spottehlersae accepted as Cirrifera sopottehlersae Noldt & Jouk, 1988 (basis of record)
Coagulescorhynchus virgulandivina accepted as Coagulescorhynchus virguladivina Noldt & Hoxhold, 1984 (basis of record)
Coronhelmis conspicus accepted as Coronhelmis conspicuus Ax, 1994 (basis of record)
Coronhelmis eurypersi accepted as Coronhelmis cuypersi Willems, Artois, Backeljau & Schockaert, 2005 (basis of record)
Coronhelmis inequalis accepted as Coronhelmis inaequalis Armonies, 2017 (basis of record)
Dalyellidae accepted as Dalyelliidae Graff, 1905 (basis of record)
Duplominona serpentrionalis accepted as Duplominona septentrionalis Martens, 1983 (basis of record)
Halopera accepted as Hoplopera Reisinger, 1924 (basis of record)
Haloplanella humulata accepted as Haloplanella hamulata Ehlers, 1974 (basis of record)
Haloplanella magnarhabita accepted as Haloplanella magnarhabdita Armonies, 2017 (basis of record)
Karkinoryinchus accepted as Karkinorhynchus Meixner, 1928 (basis of record)
Karkinorynchus accepted as Karkinorhynchus Meixner, 1928 (basis of record)
Kataplana celeretreix accepted as Kataplana celeretrix Bursey, Smith & Litviatis, 2012 (basis of record)
Kytorhynchdae accepted as Kytorhynchidae Rieger, 1974 (basis of record)
Monocelopsis serpentrionalis accepted as Monocelopsis septentrionalis (Sopott, 1972) Martens & Curini-Galletti, 1994 (basis of record)
Notocaryoturbella bigermaria bigermarie accepted as Notocaryoturbella bigermaria Lanfranchi, 1969 (basis of record)
Paraclaviria accepted as Paracalviria Schockaert, Curini-Galletti, De Ridder & Artois, 2011 (basis of record)
Parapharyngiella mackfierae accepted as Parapharyngiella mackfirae (Karling, 1978) Diez, Reygel & Artois, 2018 (basis of record)
Philosyrtis amoricae accepted as Philosyrtis armoricae Sopott-Ehlers, 1985 (basis of record)
Philosyrtis coomanansi accepted as Philosyrtis coomansi Martens & Schockaert, 1981 (basis of record)
Polycystidae accepted as Polycystididae Graff, 1905 (additional source)
Postbursoplana macromustax accepted as Postbursoplana macromystax Lanfranchi, 1969 (basis of record)
Proxenetes falciger accepted as Proxenetes fasciger Ehlers, 1974 (basis of record)
Proxenetes westbaldi accepted as Proxenetes westbladi Luther, 1943 accepted as Ptychopera westbladi (Luther, 1943) Den Hartog, 1964 (basis of record)
Pseudomonocelis schoekaerti accepted as Pseudomonocelis schockaerti Curini-Galletti & Cannon, 1995 (basis of record)
Schizorhynchoides caronostylus accepted as Schizorhynchoides coronostylus Boaden, 1963 (basis of record)
Scoliophryngia accepted as Scoliopharyngia Ehlers, Mueller & Franke, 1994 (basis of record)
Smithsoniarynchus accepted as Smithsoniarhynches Hochberg, 2004 (basis of record)
Sublirhynchus accepted as Sabulirhynchus Artois & Schockaert, 2000 (basis of record)
Subulgera accepted as Subulagera Ehlers, 1974 (basis of record)
Trigonostomum venosum accepted as Trigonostomum venenosum (Uljanin, 1870) Meixner, 1924 (basis of record)
Tvaerminnea direcepticula accepted as Tvaerminnea direceptacula Ehlers, Müller & Franke, 1994 (basis of record)
Typhlorhynchus stylensis accepted as Typhlorhynchus syltensis Noldt, 1985 (basis of record)
Vanclusia accepted as Vauclusia Willems, Artois, Vermin, Backeljau & Schockaert, 2004 (basis of record)
Yoguinina accepted as Yaquinaia Schockaert & Karling, 1970 (basis of record)
Yoguinina micropharynchus accepted as Yaquinaia microrhynchus Schockaert & Karling, 1970 (basis of record)
Yorknia approstatica accepted as Yorknia aprostatica Schockaert, Curini-Galletti, De Ridder, Volonterio & Artois, 2009 (basis of record)
Zonorhynchus tvaerminensis accepted as Zonorhynchus tvaerminnensis (Karling, 1931) Karling, 1952 (basis of record)