| Xenacoelomorpha | Acoelomorpha | Ehlers, 1985 | |
| Xenotoplana | acus | Ax, Weidemann & Ehlers, 1978 | |
| Solenopharynginae | Adenopharynx | Ehlers, 1972 | |
| Myozona | aerumnosa | Sopott-Ehlers & Schmidt, 1974 | |
| Aulopharynx | aestuarius | Ehlers, 1972 | |
| Invenusta | aestus | Sopott-Ehlers, 1976 | |
| Vannuccia | tripapillosa | americana | Ax & Sopott-Ehlers, 1979 |
| Solenopharyngidae | Anthopharynginae | Ehlers, 1972 | |
| Pogaina | arcassonensis | Ehlers & Sopott-Ehlers, 1989 | |
| Beauchampiola | arctica | Ehlers & Franke, 1994 | |
| Kataplana | arcuata | Sopott-Ehlers, 1976 | |
| Ceratopera | aremorica | (Ehlers & Sopott-Ehlers, 1989) | |
| Messoplana | aremorica | Ehlers & Sopott-Ehlers, 1989 | |
| Scoliopharyngia | arenicola | Ehlers, Reise, & Armonies, 1995 | |
| Philosyrtis | armoricae | Sopott-Ehlers, 1985 | |
| Myozonaria | ascia | Sopott-Ehlers & Schmidt, 1974 | |
| Macrostomum | astericis | Schmidt & Sopott-Ehlers, 1976 | |
| Solenopharynginae | Aulopharynx | Ehlers, 1972 | |
| Lonchoplanella | axi | Ehlers, 1974 | |
| Pratoplana | ayorae | Ehlers & Sopott-Ehlers, 1989 | |
| Paramyozonaria | bermudense | Sopott-Ehlers & Schmidt, 1974 | |
| Parotoplana | bermudensis | Ax & Sopott-Ehlers, 1987 | |
| Minona | bermudensis | Ax & Sopott-Ehlers, 1985 | |
| Duplominona | canariensis | bermudiensis | Ax & Sopott-Ehlers, 1985 |
| Parotoplana | bicupa | Sopott-Ehlers, 1976 | |
| Ceratopera | bifida | Ehlers & Ax, 1974 | |
| Bothrioneodermata | Bothrioplanida | Sopott-Ehlers, 1985 | |
| Diascorhynchus | bucina | Ehlers & Ehlers, 1980 | |
| Mucroplana | caelata | Sopott-Ehlers & Schmidt, 1975 | |
| Mucroplana | caelata | Sopott-Ehlers & Schmidt, 1975 | |
| Pseudosyrtis | calcaris | Sopott-Ehlers, 1976 | |
| Byrsophlebs | caligulachaena | (Ehlers & Ehlers, 1981) | |
| Maehrenthalia | caligulachaena | Ehlers & Ehlers, 1981 | |
| Vannuccia | campana | Ehlers & Ehlers, 1980 | |
| Duplominona | canariensis | Ehlers & Ehlers, 1980 | |
| Duplominona | canariensis | canariensis | Ehlers & Ehlers, 1980 |
| Ceratopera | canariensis | (Ehlers & Ehlers, 1980) | |
| Messoplana | canariensis | Ehlers & Ehlers, 1980 | |
| Coelogynopora | cassida | Sopott-Ehlers, 1985 | |
| Napoliplana | cinctata | Ax, Weidemann & Ehlers, 1978 | |
| Protandrella | cirrifera | Ehlers, Mueller & Franke, 1994 | |
| Coelogynopora | cochleare | Ax & Sopott-Ehlers, 1979 | |
| Isodiametra | colorata | (Ehlers & Doerjes, 1979) | |
| Conaperta | colorata | Ehlers & Dörjes, 1979 | |
| Praeconvoluta | colorata | (Ehlers & Doerjes, 1979) | |
| Haloplanella | conversa | Ehlers & Sopott-Ehlers, 1989 | |
| Solenopharynginae | Culleopharynx | Ehlers, 1972 | |
| Cestoplana | cuneata | Sopott-Ehlers & Schmidt, 1975 | |
| Eucestoplana | cuneata | (Sopott-Ehlers & Schmidt, 1975) | |
| Cestoplana | cuneata | Sopott-Ehlers & Schmidt, 1975 | |
| Tvaerminnea | direceptacula | Ehlers, Mueller & Franke, 1994 | |
| Solenopharynginae | Doliopharynx | Ehlers, 1972 | |
| Kirgisellinae | Drepanilla | Ehlers, 1979 | |
| Euplanidae | Euplanina | Sopott-Ehlers & Schmidt, 1975 | |
| Leptoplaninae | Euplanina | Sopott-Ehlers & Schmidt, 1975 | |
| Otocelididae | Exocelis | Ehlers & Doerjes, 1979 | |
| Exocelis | exopenis | Ehlers & Doerjes, 1979 | |
| Coelogynopora | faenofurca | Sopott-Ehlers, 1992 | |
| Coelogynopora | falcaria | Ax & Sopott-Ehlers, 1979 | |
| Myozonaria | falcis | Sopott-Ehlers, 1976 | |
| Proxenetes | fasciger | Ehlers, 1974 | |
| Amyris | favis | Sopott-Ehlers & Schmidt, 1975 | |
| Amyris | favis | Sopott-Ehlers & Schmidt, 1975 | |
| Ceratopera | floralis | (Ehlers, 1974) | |
| Messoplana | floralis | Ehlers, 1974 | |
| Coelogynopora | forcipis | Sopott-Ehlers, 1976 | |
| Coelogynopora | frondifera | Ax & Sopott-Ehlers, 1979 | |
| Pararhynchella | fusca | Ehlers & Ehlers, 1981 | |
| Kata | galea | Ax & Sopott-Ehlers, 1987 | |
| Pratoplana | galeata | Ehlers, 1974 | |
| Coelogynopora | gallica | Sopott-Ehlers, 1976 | |
| Macrostomum | galloprovinciale | Schmidt & Sopott-Ehlers, 1976 | |
| Minona | gemella | Ax & Sopott-Ehlers, 1985 | |
| Doliopharynx | geminocirro | Ehlers, 1972 | |
| Haloplanella | hamulata | Ehlers, 1974 | |
| Coelogynopora | hamulis | Sopott-Ehlers, 1980 | |
| Euplanina | horrida | Sopott-Ehlers & Schmidt, 1975 | |
| Euplanina | horrida | Sopott-Ehlers & Schmidt, 1975 | |
| Macrostomum | ideficis | Schmidt & Sopott-Ehlers, 1976 | |
| Tensopharynx | inermis | Ehlers, 1972 | |
| Coronhelmis | inornatus | Ehlers, 1974 | |
| Coelogynoporidae | Invenusta | Sopott-Ehlers, 1976 | |
| Promesostoma | karlingi | Ehlers, 1974 | |
| Promesostoma | kergroixense | Ehlers & Sopott-Ehlers, 1989 | |
| Promesostomidae | Kymocarens | Ehlers & Ehlers, 1981 | |
| Parotoplana | lata | Ax & Sopott-Ehlers, 1987 | |
| Solenopharyngidae | Lenopharynginae | Ehlers, 1972 | |
| Drepanilla | limophila | Ehlers, 1979 | |
| Scoliopharyngia | listensis | Ehlers, Mueller & Franke, 1994 | |
| Proceropharynx | litoralis | Ehlers, 1972 | |
| Mariplanidae | Lonchoplanella | Ehlers, 1974 | |
| Parotocelis | luteopunctata | Ehlers & Doerjes, 1979 | |
| Posticopora | luteopunctata | (Ehlers & Doerjes, 1979) | |
| Macrostomum | majesticis | Schmidt & Sopott-Ehlers, 1976 | |
| Pseudohaplogonaria | minima | Ehlers & Doerjes, 1979 | |
| Bradburia | miraculicis | (Schmidt & Sopott-Ehlers, 1976) | |
| Macrostomum | miraculicis | Schmidt & Sopott-Ehlers, 1976 | |
| Adenopharynx | mitrabursalis | Ehlers, 1972 | |
| Parotoplana | mollis | Ax & Sopott-Ehlers, 1987 | |
| Childiidae | Monoposthia | Ehlers & Doerjes, 1979 | |
| Subulagera | mucronata | Ehlers, 1974 | |
| Mucroplanidae | Mucroplana | Sopott-Ehlers & Schmidt, 1975 | |
| Leptoplaninae | Mucroplana | Sopott-Ehlers & Schmidt, 1975 | |
| Praeaphanostoma | musculosum | Ehlers & Doerjes, 1979 | |
| Otoplaninae | Napoliplana | Ax, Weidemann & Ehlers, 1978 | |
| Monostichoplana | filum | neapolitana | Ax, Weidemann & Ehlers, 1978 |
| Bothrioneodermata | Neodermata | Ehlers, 1985 | |
| Kytorhynchidae | Neokytorhynchus | Ehlers & Ehlers, 1981 | |
| Cestoplana | nexa | Sopott-Ehlers & Schmidt, 1975 | |
| Cestoplana | nexa | Sopott-Ehlers & Schmidt, 1975 | |
| Coelogynopora | nodosa | Ax & Sopott-Ehlers, 1979 | |
| Macrostomum | obelicis | Schmidt & Sopott-Ehlers, 1976 | |
| Theama | occidua | Sopott-Ehlers & Schmidt, 1975 | |
| Theama | occidua | Sopott-Ehlers & Schmidt, 1975 | |
| Eutheama | occidua | (Sopott-Ehlers & Schmidt, 1975) | |
| Balgetia | pacifica | Ax, Ax & Ehlers, 1979 | |
| Philocelis | karlingi | pacifica | Ehlers & Doerjes, 1979 |
| Neokytorhynchus | pacificus | Ehlers & Ehlers, 1981 | |
| Actinoposthiidae | Paractinoposthia | Ehlers & Doerjes, 1981 | |
| Childiidae | Paractinoposthia | Ehlers & Dörjes, 1981 | |
| Ceratopera | paragracilis | Ehlers & Ax, 1974 | |
| Promesostomidae | Pararhynchella | Ehlers & Ehlers, 1981 | |
| Otocelididae | Parotocelis | Ehlers & Dörjes, 1979 | |
| Pseudactinoposthia | parva | Ehlers & Doerjes, 1979 | |
| Coronhelmis | parvamanica | Ehlers, 1974 | |
| Pseudmecynostomum | pellucidum | Ehlers & Doerjes, 1979 | |
| Trigonostomidae | Petaliella | Ehlers, 1974 | |
| Otocelis | phycophilus | Ehlers & Doerjes, 1979 | |
| Avagina | polyvacuola | Ehlers & Doerjes, 1979 | |
| Brinkmanniella | procerastyla | Ehlers, 1974 | |
| Solenopharynginae | Proceropharynx | Ehlers, 1972 | |
| Macrostomum | prognosticis | Schmidt & Sopott-Ehlers, 1976 | |
| Promesostomidae | Protandrella | Ehlers, Mueller & Franke, 1994 | |
| Kymocarens | proxenetoides | Ehlers & Ehlers, 1981 | |
| Otoplaninae | Pseudorthoplana | Ax, Weidemann & Ehlers, 1978 | |
| Monoposthia | pseudovesicula | Ehlers & Doerjes, 1979 | |
| Paractinoposthia | pseudovesicula | (Ehlers & Doerjes, 1979) | |
| Myozona | psila | Sopott-Ehlers & Schmidt, 1974 | |
| Hoplopera | pusilla | Ehlers, 1974 | |
| Platyhelminthes | Rhabditophora | Ehlers, 1985 | |
| Paramyozonaria | riegeri | Sopott-Ehlers & Schmidt, 1974 | |
| Promesostoma | meixneri | roscoffense | Ehlers, 1980 |
| Messoplana | roscoffensis | Ehlers, 1980 | |
| Trisaccopharynx | roscoffensis | Ehlers, 1980 | |
| Ceratopera | roscoffensis | (Ehlers, 1980) | |
| Vannuccia | rotundouncinata | Ax & Sopott-Ehlers, 1979 | |
| Messoplana | rugata | Ehlers, 1974 | |
| Ceratopera | rugata | (Ehlers, 1974) | |
| Philosyrtis | rutilata | Sopott-Ehlers, 1976 | |
| Anthopharynx | sacculipenis | Ehlers, 1972 | |
| Haloplanella | semicircula | sancristobalensis | Ehlers & Sopott-Ehlers, 1989 |
| Haloplanella | semicircula | santacruzensis | Ehlers & Sopott-Ehlers, 1989 |
| Promesostoma | sartagine | Ax & Ehlers, 1973 | |
| Coelogynopora | scalpri | Ax & Sopott-Ehlers, 1979 | |
| Adenorhynchidae | Scoliopharyngia | Ehlers, Mueller & Franke, 1994 | |
| Ptychopera | scutulifera | Ehlers & Ax, 1974 | |
| Minona | secta | Sopott-Ehlers & Ax, 1985 | |
| Haloplanella | semicircula | Ehlers & Sopott-Ehlers, 1989 | |
| Haloplanella | semicircula | semicircula | Ehlers & Sopott-Ehlers, 1989 |
| Coelogynopora | sequana | Sopott-Ehlers, 1992 | |
| Macrostomidae | Siccomacrostomum | Schmidt & Sopott-Ehlers, 1976 | |
| Wydula | simplex | Ehlers & Ehlers, 1981 | |
| Solenopharyngidae | Solenopharynginae | Ehlers, 1972 | |
| Retronectes | sp. | Ehlers, 1985 | |
| Traunfelsia | spec. | Sopott-Ehlers & Schmidt, 1975 | |
| Traunfelsia | species | Sopott-Ehlers & Schmidt, 1975 | |
| Monocelis | spectator | Sopott-Ehlers & Ax, 1985 | |
| Trisaccopharynx | spiculatus | Ehlers, 1972 | |
| Petaliella | spiracauda | Ehlers, 1974 | |
| Coelogynopora | steinboecki | Sopott-Ehlers, 1980 | |
| Duplominona | stilifera | Sopott-Ehlers & Ax, 1985 | |
| Paromalostomum | subflavum | Sopott-Ehlers & Schmidt, 1974 | |
| Parotoplana | subtilis | Ax & Sopott-Ehlers, 1987 | |
| Promesostomidae | Subulagera | Ehlers, 1974 | |
| Pseudmecynostomum | tardum | Ehlers & Dörjes, 1979 | |
| Eumecynostomum | tardum | (Ehlers & Dörjes, 1979) | |
| Philactinoposthia | tenebrosa | Ehlers & Doerjes, 1979 | |
| Promesostoma | tenebrosum | Ax & Ehlers, 1973 | |
| Solenopharynginae | Tensopharynx | Ehlers, 1972 | |
| Proxenetes | tenuispinosus | Ehlers, 1974 | |
| Praeaphanostoma | thalasophilum | Ehlers & Doerjes, 1979 | |
| Kymocarens | tibialis | Ehlers & Ehlers, 1981 | |
| Rhabditophora | Trepaxonemata | Ehlers, 1984 | |
| Coronhelmis | tripartitus | Ehlers, 1974 | |
| Siccomacrostomum | triviale | Schmidt & Sopott-Ehlers, 1976 | |
| Macrostomum | troubadicus | Schmidt & Sopott-Ehlers, 1976 | |
| Xenotoplana | tyrrhenica | Ax, Weidemann & Ehlers, 1978 | |
| Proseriata | Unguiphora | Sopott-Ehlers, 1985 | |
| Tripyloplana | virgae | (Sopott-Ehlers & Schmidt, 1975) | |
| Copidoplana | virgae | Sopott-Ehlers & Schmidt, 1975 | |
| Copidoplana | virgae | Sopott-Ehlers & Schmidt, 1975 | |
| Coelogynopora | visurgis | Sopott-Ehlers, 1989 | |
| Praeaphanostoma | vitreum | Ehlers & Doerjes, 1979 | |
| Otoplaninae | Xenotoplana | Ax, Weidemann & Ehlers, 1978 |
194 names, including those in new combination. (Max listing set to 900)