| Itaipusa | aberrans | Diez, Aguirre, Reygel, & Artois, 2021 | |
| Bhambathorhynchus | abursalis | Willems & Artois, 2017 | |
| Cicerinidae | Acirrostylus | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Serrula | acuta | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Serrulina | acuta | (Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009) | |
| Brachyrhynchus | acutus | Artois & Schockaert, 2013 | |
| Brachyrhynchoides | acutus | (Artois & Schockaert, 2013) | |
| Djeziraia | adriani | Diez, Sanjuan, Monnens, & Artois, 2023 | |
| Thalassotyphloplanida | Aegira | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Phaenocora | aglobulata | Houben & Artois, 2015 | |
| Pseudodalyellia | alabamensis | Van Steenkiste, Gobert & Artois, 2011 | |
| Alchoides | alchoides | Willems, Schockaert, Artois 2006 | |
| Polycystididae | Alchoides | Willems, Schockaert, Artois 2006 | |
| Proschizorhynchus | algarvensis | Gobert, Monnens, Eerdekens, Schockaert, Reygel, & Artois, 2020 | |
| Polycystididae | Ametochus | Willems, Schockaert, Artois 2006 | |
| Reinhardorhynchus | anamariae | Diez, Aguirre, Reygel, & Artois, 2021 | |
| Paulodora | ancora | Artois & Tessens, 2008 | |
| Aegira | annabellae | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Galapagetula | annikae | Reygel, Willems & Artois, 2011 | |
| Coelogynoporidae | Anoplovannuccia | Sanjuan, Curini-Galletti, Monnens, Diez, Artois, 2025 | |
| Austrorhynchus | antarcticus | Artois, Vermin & Schockaert, 2000 | |
| Yorknia | aprostatica | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Schockaertia | aprostatica | Diez, Reygel, & Artois, 2023 | |
| Triaustrorhynchus | armatus | Willems, Schockaert, Artois 2006 | |
| Myobulla | armenterosi | Diez, Sanjuan, Reygel & Artois, 2018 | |
| Proschizorhynchus | arnautsae | Gobert, Monnens, Eerdekens, Schockaert, Reygel, & Artois, 2020 | |
| Polycystididae | Arrawarria | Willems, Schockaert, Artois 2006 | |
| Lagenopolycystis | articulata | Artois & Schockaert, 2025 | |
| Gieysztoria | ashokae | Van Steenkiste, Van Mulken & Artois, 2012 | |
| Cheliplana | asinaraensis | Gobert, Reygel & Artois, 2021 | |
| Orostylis | asinaraensis | Gobert, Jouk, Revis & Artois, 2022 | |
| Simplexcystis | asymmetrica | Diez, Reygel, & Artois, 2021 | |
| Paulodora | felis | asymmetrica | Artois & Schockaert, 2001 |
| Paulodora | asymmetrica | Artois & Schockaert, 2001 | |
| Schizochilus | atlanticus | Diez, Reygel, & Artois, 2019 | |
| Solenopharynginae | Austradenopharynx | Willems, Artois, Backeljau, & Schockaert, 200 | |
| Trigonostomum | australe | Willems, Artois, Vermin, & Schockaert, 2004 | |
| Typhlopolycystis | australiensis | Reygel, Schockaert & Artois, 2019 | |
| Brinkmanniella | australiensis | Willems, Artois, Vermin, Backeljau, & Schockaert, 2004 | |
| Polycystis | australis | Willems, Schockaert, Artois 2006 | |
| Sabulirhynchus | axi | Artois & Schockaert, 2000 | |
| Lagenopolycystis | azorensis | Schockaert, Monnens, Jou, & Artois, 2025 | |
| Promesostoma | baculum | Diez, Reygel, & Artois, 2023 | |
| Schizochilus | banesensis | Diez, Reygel, & Artois, 2019 | |
| Reinhardorhynchus | beatrizae | Diez, Aguirre, Reygel, & Artois, 2021 | |
| Bryoplana | belgica | Houben, Proesmans & Artois, 2022 | |
| Anoplovannuccia | berovidesi | Sanjuan, Curini-Galletti, Monnens, Diez, Artois, 2025 | |
| Myobulla | berti | Roosen, Diez, Reygel & Artois, 2018 | |
| Koinocystididae | Bhambathorhynchus | Willems & Artois, 2017 | |
| Gallorhynchus | bidaformis | Artois & Schockaert, 2017 | |
| Itaipusa | biglandula | Reygel, Willems & Artois, 2011 | |
| Gandalfia | bilunata | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Pilamonila | bimascula | Willems, Artois, Vermin, Backeljau, & Schockaert, 2004 | |
| Austrorhynchus | biserratus | Artois, Vermin & Schockaert, 2000 | |
| Phonorhynchoidinae | Brachyrhynchoides | Artois & Schockaert, 2013 | |
| Phonorhynchoidinae | Brachyrhynchus | Artois & Schockaert, 2013 | |
| Carcharodorhynchus | brasiliensis | Reygel, Schockaert & Artois, 2014 | |
| Typhlopolycystidinae | Brunetorhynchus | Schockaert, Martens, Revis, Janssen, Willems, & Artois, 2014 | |
| Schizochilus | bueycabonensis | Diez, Reygel, & Artois, 2019 | |
| Serrulina | byronenis | (Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009) | |
| Serrula | byronenis | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Stradorhynchus | caecus | Willems, Schockaert, Artois 2006 | |
| Orostylis | caecus | Diez & Artois, 2022 | |
| Polycystis | californica | Artois & Tessiens, 2008 | |
| Paraustrorhynchus | caligatus | Willems, Schockaert, Artois 2006 | |
| Brunetorhynchus | canariensis | Schockaert, Janssen & Artois, 2014 | |
| Cheliplana | canariensis | Gobert, Reygel, & Artois, 2017 | |
| Lagenopolycystis | canariensis | Schockaert, Diez, Jansse, & Artois, 2025 | |
| Brunetorhynchus | cannoni | Schockaert & Artois, 2014 | |
| Phonorhynchopsis | capillaris | Diez, Sanjuan, Reygel & Artois, 2018 | |
| Parapharyngiella | caribbaea | Diez, Reygel & Artois, 2018 | |
| Cheliplanilla | cavavulcana | Gobert, Reygel, & Artois, 2017 | |
| Gieysztoria | choctaw | Van Steenkiste, Gobert & Artois, 2011 | |
| Mahurubia | clava | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Polliculus | cochlearis | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Gaziella | cochleata | Diez & Artois, 2023 | |
| Rogneda | colpaerti | Artois, 2008 | |
| Brunetorhynchus | complicatus | Schockaert & Artois, 2014 | |
| Serrulina | concharum | (Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009) | |
| Serrula | concharum | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Lagenopolycystis | conglobata | Schockaert & Artois, 2025 | |
| Vauclusia | conica | Willems, Artois, Vermin, Backeljau, & Schockaert, 2004 | |
| Schizochilus | coninxae | Gobert, Monnens, Eerdekens, Schockaert, Reygel, & Artois, 2020 | |
| Paulodora | contortoides | Artois & Tessens, 2008 | |
| Cheliplana | cubana | Diez, Gobert, Reygel & Artois, 2021 | |
| Promesostoma | cubanum | Diez, Reygel, & Artois, 2023 | |
| Galapagetula | cubensis | Diez, Reygel, & Artois, 2021 | |
| Promesostoma | cubitum | Diez, Reygel, & Artois, 2023 | |
| Baltoplana | cupressus | Willems & Artois, 2017 | |
| Cheliplana | curini | Gobert, Reygel, & Artois, 2017 | |
| Coronhelmis | cuypersi | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Brunetorhynchus | deconincki | Schockaert, Martens & Artois, 2014 | |
| Strongylostoma | devleeschouweri | Van Steenkiste, Tessens, Krznaric & Artois, 2011 | |
| Calviriidae | Diskeria | Schockaert, Curini-Galletti, De Ridder & Artois, 2011 | |
| Orostylis | distortus | Armonies, Gobert & Artois, 2022 | |
| Alchoides | dittmannae | Willems, Schockaert, Artois 2006 | |
| Orostylis | dohae | Gobert, Van Steenkiste & Artois, 2022 | |
| Orostylis | donanae | Van Steenkiste, Gobert & Artois, 2022 | |
| Paulodora | drepanophora | Artois & Tessens, 2008 | |
| Archimonocelididae | Dreuxiola | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Brunetorhynchus | dubius | Artois & Schockaert, 2014 | |
| Myobulla | dunata | Artois & Schockaert, 2000 | |
| Polycystididae | Duplexostylus | Willems, Schockaert, Artois 2006 | |
| Gallorhynchus | elegans | Artois & Schockaert, 2017 | |
| Polycystis | elsae | Artois & Tessens, 2008 | |
| Typhlopolycystis | errata | Artois & Schockaert, 2019 | |
| Schizochilus | espinosai | Diez, Reygel, & Artois, 2019 | |
| Kaitalugia | falcata | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Limipolycystis | falx | Artois, Willems & Schockaert, 2012 | |
| Gallorhynchus | faroensis | Schockaert, Tessens, & Artois, 2017 | |
| Gieysztoria | faubeli | Artois, Willems, De Roeck, Jocque, & Brendonck, 2005 | |
| Protoplanellinae | Faunulus | Houben, Proesmans & Artois, 2022 | |
| Schizochilus | favus | Diez, Reygel, & Artois, 2019 | |
| Typhlopolycystis | fonsecai | Schockaert & Artois, 2019 | |
| Baicalellia | forcipifera | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Trigonostomum | franki | Willems, Artois, Vermin, & Schockaert, 2004 | |
| Limipolycystis | friedae | Artois, Willems & Schockaert, 2012 | |
| Koinocystididae | Galapagetula | Reygel, Willems & Artois, 2011 | |
| Trigonostomum | galapagoense | Willems, Artois, Vermin, & Schockaert, 2004 | |
| Austrorhynchus | galapagoensis | Artois & Schockaert, 1999 | |
| Polycystidinae | Galapagorhynchus | Artois & Schockaert, 1999 | |
| Orostylis | gallicus | Gobert, Monnens & Artois, 2022 | |
| Paramesostominae | Gandalfia | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Gieysztoria | garudae | Van Steenkiste, Van Mulken & Artois, 2012 | |
| Ametochus | gehrkei | Willems, Schockaert, Artois 2006 | |
| Cheliplana | gibarenha | Diez, Reygel, & Artois, 2019 | |
| Diskeria | gigantea | Schockaert, Curini-Galletti, De Ridder & Artois, 2011 | |
| Phaenocora | gilberti | Houben & Artois, 2015 | |
| Gaziella | glandulosa | Diez & Artois, 2023 | |
| Ceratopera | globulifera | (Artois, Vermin & Schockaert, 2000) | |
| Messoplana | globulifera | Artois, Vermin & Schockaert, 2000 | |
| Phonorhynchoides | gondwanae | Willems & Artois, 2017 | |
| Phonorhynchoides | haegheni | Artois & Schockaert, 2001 | |
| Phonorhynchopsis | haegheni | (Artois & Schockaert, 2001) | |
| Poseidoplanella | halleti | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Paulodora | hamifer | Artois & Tessens, 2008 | |
| Cheliplana | hawaiiensis | Gobert, Reygel, Van Steenkiste & Artois, 2021 | |
| Reinhardorhynchus | hexacornutus | Jouk, Diez, Reygel, & Artois, 2021 | |
| Duplacrorhynchus | heyleni | Artois & Schockaert, 1999 | |
| Galapagorhynchus | hoxholdi | Artois & Schockaert, 1999 | |
| Sabulirhynchus | ibarrae | Diez, Sanjuan, Monnens, & Artois, 2023 | |
| Gieysztoria | iberica | Van Steenkiste, Tessens, Krznaric & Artois, 2011 | |
| Djeziraia | incana | Artois & Schockaert, 2001 | |
| Arrawarria | inexpectata | Willems, Schockaert, Artois 2006 | |
| Polycydora | intermedia | Diez, Sanjuan, Reygel & Artois, 2018 | |
| Parapharyngiella | involucrum | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Hoplopera | isis | Houben, Proesmans & Artois, 2022 | |
| Paracalviria | islandica | Schockaert, Curini-Galletti, De Ridder & Artois, 2011 | |
| Paraustrorhynchus | isoldeae | Artois, Reygel, & Schockaert, 2019 | |
| Gieysztoria | isoldeae | Artois, Willems, De Roeck, Jocque, & Brendonck, 2005 | |
| Parachrorhynchus | jondelii | Artois & Schockaert, 2001 | |
| Byrsophlebidae | Kaitalugia | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Kymocarens | kanakorum | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Austrorhynchus | kerguelensis | Artois & Tessens, 2008 | |
| Koinocystididae | Koinogladius | Diez, Monnens, & Artois, 2021 | |
| Syringoplana | kolasai | Artois, Willems, De Roeck, Jocque, & Brendonck, 2005 | |
| Syndesmis | kurakaikina | Monnens, Vanhove & Artois 2019 | |
| Typhlopolycystidinae | Lagenopolycystis | Artois & Schockaert, 2000 | |
| Phonorhynchoides | lalanai | Diez, Sanjuan, Monnens, & Artois, 2023 | |
| Schizochilus | lanzarotensis | Gobert, Reygel, & Artois, 2017 | |
| Typhlopolycystis | leasiae | Artois & Schockaert, 2019 | |
| Limipolycystis | libra | Artois, Willems & Schockaert, 2012 | |
| Rogneda | licyae | Artois, 2008 | |
| Phonorhynchoides | linguatus | Artois & Tessens, 2008 | |
| Phonorhynchopsis | linguatus | (Artois & Tessens, 2008) | |
| Uncinorhynchus | linusi | Willems & Artois, 2017 | |
| Cheliplana | longissima | Gobert, Reygel & Artois, 2021 | |
| Kaitalugia | lydieae | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Austrorhynchus | magnificoides | Artois, Vermin & Schockaert, 2000 | |
| Trigonostomidae | Mahurubia | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Typhlopolycystis | maikoni | Schockaert & Artois, 2019 | |
| Discoplana | malagasensis | Doignon, Artois & Deheyn, 2003 | |
| Discoceloidea | malagasensis | (Doignon, Artois & Deheyn, 2003) | |
| Lagenopolycystis | mandelai | Willems & Artois, 2017 | |
| Macrorhynchus | manusferrea | (Artois & Schockaert, 2001) | |
| Graffiellus | manusferrea | (Artois & Schockaert, 2001) | |
| Polycystidinae | Marcusia | Artois & Schockaert, 1998 | |
| Rogneda | martensi | Artois, 2008 | |
| Proschizorhynchus | martinezi | Gobert, Reygel, & Artois, 2017 | |
| Cheliplana | mauii | Gobert, Reygel & Artois, 2021 | |
| Serrulina | maxillaria | (Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009) | |
| Serrula | maxillaria | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Schizochilus | maximus | Diez, Reygel, & Artois, 2019 | |
| Duplacrorhynchus | megalophallus | Artois & Schockaert, 1999 | |
| Lithophora | Meidiamidae | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Trigonostomum | messoplanoides | Artois, Vermin & Schockaert, 2000 | |
| Gaziella | microcirra | Diez & Artois, 2023 | |
| Brunetorhynchus | microstylis | Schockaert, Revis & Artois, 2014 | |
| Coronhelmis | mimosa | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Phonorhynchoides | minor | Diez, Sanjuan, Reygel & Artois, 2018 | |
| Messoplana | minuta | Artois, Vermin & Schockaert, 2000 | |
| Ceratopera | minuta | (Artois, Vermin & Schockaert, 2000) | |
| Cincturorhynchus | monaculeus | Willems, Schockaert, Artois 2006 | |
| Kymocarens | morrisi | Diez, Reygel, & Artois, 2023 | |
| Vauclusia | multistriata | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Lagenopolycystis | mutabilis | Artois & Schockaert, 2025 | |
| Typhlopolycystidinae | Myobulla | Artois & Schockaert, 2000 | |
| Myobulla | myobulla | Artois & Schockaert, 2000 | |
| Trigonostomum | nataschae | Willems, Artois, Vermin, & Schockaert, 2004 | |
| Carcharodorhynchus | nativus | Diez, Reygel, & Artois, 2019 | |
| Paraustrorhynchus | neleae | Artois & Tessens, 2008 | |
| Faunulus | nielsi | Houben, Proesmans & Artois, 2022 | |
| Typhlopolycystis | norenburgi | Artois & Schockaert, 2019 | |
| Itaipusa | novacaledonica | Diez, Schockaert, Reygel, & Artois, 2021 | |
| Coronhelmis | novaecaledoniae | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Brachyrhynchus | oosterlyncki | Willems, Reygel & Artois, 2013 | |
| Brachyrhynchoides | oosterlyncki | (Willems, Reygel & Artois, 2013) | |
| Dalytyphloplanida | Orostylis | Gobert, Armonies, Diez, Jouk, Monnens, Revis, Reygel, Smith, Van Steenkiste, & Artois, 2022 | |
| Brachyrhynchoides | ortizi | Diez, Sanjuan, Monnens, & Artois, 2023 | |
| Vannuccia | pacifica | Sanjuan, Curini-Galletti, Monnens, Diez, Artois, 2025 | |
| Reinhardorhynchus | pacificus | Diez, Reygel, & Artois, 2021 | |
| Promesostoma | panamaense | Artois & Diez, 2023 | |
| Carcharodorhynchus | papillaris | Diez, Reygel, & Artois, 2019 | |
| Calviriidae | Paracalviria | Schockaert, Curini-Galletti, De Ridder & Artois, 2011 | |
| (Castrada) | paradisea | Van Steenkiste, Tessens, Krznaric & Artois, 2011 | |
| Trigonostomidae | Parapharyngiella | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Dreuxiola | philippi | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Polycystididae | Phonorhynchoidinae | Tessens, Janssen & Artois, 2014 | |
| Phonorhynchoidinae | Phonorhynchopsis | Willems & Artois, 2017 | |
| Solenopharyngidae | Pilamonila | Willems, Artois, et al., 2004 | |
| Typhlopolycystis | pluvialiae | Artois, Jansens & Schockaert, 2019 | |
| Lagenopolycystis | poena | Artois, Van Steenkiste, Diez, & Schockaert, 2025 | |
| Dalyelliidae | Polliculus | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Polycystidinae | Polycydora | Diez, Sanjaun, Reygel & Artois, 2018 | |
| Acirrostylus | poncedeleoni | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Paulodora | porcellus | Artois & Tessens, 2008 | |
| Mariplanidae | Poseidoplanella | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Dalyelliidae | Pseudodalyellia | Van Steenkiste, Gobert & Artois, 2011 | |
| Coelogynoporidae | Pseudoinvenusta | Sanjuan, Curini-Galletti, Monnens, Diez, Artois, 2025 | |
| (Castrada) | purgatorialis | Van Steenkiste, Tessens, Krznaric & Artois, 2011 | |
| Pygmorhynchus | pygmaeus | Artois & Schockaert, 1999 | |
| Polycystidinae | Pygmorhynchus | Artois & Schockaert, 1999 | |
| Gieysztoria | ramayana | Van Steenkiste, Van Mulken & Artois, 2012 | |
| Koinocystididae | Reinhardorhynchus | Diez, Monnens, & Artois, 2021 | |
| Adenoplea | reisingeri | Houben, Proesmans, & Artois, 2015 | |
| Reinhardorhynchus | renei | (Reygel, Willems & Artois, 2011) | |
| Itaipusa | renei | Reygel, Willems & Artois, 2011 | |
| Austradenopharynx | reynaertsi | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Reinhardorhynchus | riae | Diez, Reygel, & Artois, 2021 | |
| Typhlopolycystis | riegeri | Artois & Schockaert, 2019 | |
| Promesostoma | roseapharynx | Diez, Reygel, & Artois, 2023 | |
| Duplexostylus | rowei | Willems, Schockaert, Artois 2006 | |
| Typhlopolycystidinae | Sabulirhynchus | Artois & Schockaert, 2000 | |
| Cheliplana | santiaguera | Diez, Reygel, & Artois, 2019 | |
| Vannuccia | santiaguera | Sanjuan, Curini-Galletti, Monnens, Diez, Artois, 2025 | |
| Typhlopolycystis | sarda | Artois, Moons & Schockaert, 2019 | |
| Cheliplana | sarnensis | Gobert, Reygel, & Artois, 2017 | |
| Itaipusa | sbui | Willems & Artois, 2017 | |
| Polycystididae | Scanorhynchinae | Tessens, Janssen & Artois, 2014 | |
| Rogneda | schaereri | Artois, 2008 | |
| Carcharodopharynx | schlitzensis | Houben, Schwank, & Artois, 2015 | |
| Coelogynopora | schockaerti | Jouk, Revis, & Artois, 2019 | |
| Microdalyellia | schockaerti | Willems, Artois, Jocqué, & Brendonck, 2007 | |
| Paulodora | schockaerti | Artois & Tessens, 2008 | |
| Schockaertiidae | Schockaertia | Diez, Reygel, & Artois, 2023 | |
| Neodalyellida | Schockaertiidae | Diez, Monnens, Reygel, & Artois, 2023 | |
| Meidiamidae | Serrula | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Lithophora | Serrulina | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Limipolycystis | sicilicula | Artois, Willems & Schockaert, 2012 | |
| Brinkmanniella | simplex | Diez, Reygel, & Artois, 2023 | |
| Koinocystididae | Simplexcystis | Diez, Reygel, & Artois, 2021 | |
| Paraustrorhynchus | smeetsae | Artois, Reygel, Tessens, & Van Steenkiste, 2019 | |
| Carcharodorhynchus | smilodon | Diez, Reygel, & Artois, 2019 | |
| Reinhardorhynchus | soror | Diez, Reygel, & Artois, 2021 | |
| Ptychopera | sp. | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Pratoplana | sp. | Willems, Artois, Backeljau, & Schockaert, 2005 | |
| Limipolycystis | sp. | Artois & Schockaert, 2000 | |
| Prognathorhynchus | sp. | Willems & Artois, 2017 | |
| Carcharodorhynchus | sp. | Willems & Artois, 2017 | |
| Gyratrix | hermaphroditus | species I Galapagos | Artois & Schockaert, 2001 |
| Gyratrix | hermaphroditus | species II Galapagos | Artois & Schockaert, 2001 |
| Gyratrix | hermaphroditus | species III Galapagos | Artois & Schockaert, 2001 |
| Carcharodorhynchus | spiniferus | Diez, Reygel, & Artois, 2019 | |
| Carcharodorhynchus | spiniformis | Diez, Reygel, & Artois, 2019 | |
| Trigonostomum | spinigerum | Willems, Artois, Vermin, & Schockaert, 2004 | |
| Ceratopera | spiralis | (Artois, Vermin & Schockaert, 2000) | |
| Messoplana | spiralis | Artois, Vermin & Schockaert, 2000 | |
| Cheliplana | spuriaseminalis | Diez, Reygel, & Artois, 2019 | |
| Parapharyngiella | steenkistei | Diez, Reygel & Artois, 2018 | |
| Gieysztoria | stokesi | Van Steenkiste & Artois, 2012 | |
| Typhlopolycystidinae | Stradorhynchus | Willems, Schockaert, Artois 2006 | |
| Phonorhynchopsis | sublinguatus | Diez, Sanjuan, Reygel & Artois, 2018 | |
| Cheliplana | subproximalis | Diez, Reygel, & Artois, 2019 | |
| Typhloplanidae | Syringoplana | Artois, Willems, De Roeck, Jocque, & Brendonck, 2005 | |
| Typhlopolycystis | tahitiensis | Schockaert, Jouk & Artois, 2019 | |
| Reinhardorhynchus | tahitiensis | Jouk, Diez, Yurduseven, Reygel, & Artois, 2021 | |
| Diskeria | tasmanica | Schockaert, Curini-Galletti, De Ridder & Artois, 2011 | |
| Brinkmanniella | tenebrosa | Diez, Reygel, & Artois, 2023 | |
| Stradorhynchus | terminalis | Willems, Schockaert, Artois 2006 | |
| Byrsophlebs | thalassicola | Diez, Reygel, & Artois, 3023 | |
| Mesostoma | thamagai | Artois, Willems, De Roeck, Jocque, & Brendonck, 2005 | |
| Pseudoschizorhynchoides | timoshkini | Gobert, Reygel, & Artois, 2017 | |
| Cheliplanilla | todaroi | Gobert, Reygel, & Artois, 2017 | |
| Trigonostomum | tori | Willems, Artois, Vermin, & Schockaert, 2004 | |
| Promesostoma | toryne | Artois & Diez, 2023 | |
| Polycystididae | Triaustrorhynchus | Willems, Schockaert, Artois 2006 | |
| Cheliplana | triductibus | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Brachyrhynchus | triplostylis | Artois & Schockaert, 2013 | |
| Brachyrhynchoides | triplostylis | (Artois & Schockaert, 2013) | |
| (Castrada) | trispina | Willems, Artois, Vermin, Backeljau, & Schockaert, 2005 | |
| Proxenetes | trispinosus | Artois, Vermin & Schockaert, 2000 | |
| Proschizorhynchus | troglodytus | Gobert, Monnens, Eerdekens, Schockaert, Reygel, & Artois, 2020 | |
| Reinhardorhynchus | unicornis | Diez, Aguirre, Reygel, & Artois, 2021 | |
| Cheliplana | uruguayensis | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Meidiama | uruguayensis | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| Rogneda | valckei | Artois, 2008 | |
| Acrochordonoposthia | vandeputae | Houben, Proesmans & Artois, 2014 | |
| Rogneda | vangronsveldi | Artois, 2008 | |
| Trigonostomum | vanmecheleni | Artois, Schockaert, Beenaerts & Reygel, 2013 | |
| Promesostomidae | Vauclusia | Willems, Artois, Vermin, Backeljau, & Schockaert, 2004 | |
| Cheliplana | verrucosa | Diez, Reygel, & Artois, 2019 | |
| Rogneda | verveckeni | Artois, 2008 | |
| Carcharodorhynchus | viridis | Van Steenkiste, Volonterio, Schockaert & Artois, 2008 | |
| Limipolycystis | wallbergi | Artois, Willems & Schockaert, 2012 | |
| Trigonostomum | watsoni | Willems, Artois, Vermin, & Schockaert, 2004 | |
| Paulodora | watsoni | Artois & Tessens, 2008 | |
| Duplexostylus | winsori | Willems, Schockaert, Artois 2006 | |
| Carcharodorhynchus | worsaae | Reygel, Janssen & Artois, 2014 | |
| Trigonostomum | yoandrisi | Diez, Reygel, & Artois, 2023 | |
| Yorkniidae | Yorknia | Schockaert, Curini-Galletti, De Ridder, Volonterio, & Artois, 2009 | |
| (Eukytorhynchus) | yusdieli | Diez, Reygel, & Artois, 2023 | |
| Gieysztoria | zuluensis | Van Steenkiste & Artois, 2012 |
322 names, including those in new combination. (Max listing set to 900)