| Adenorhynchidae | Adenorhynchus | Meixner, 1938 | |
| Ethmorhynchus | anophtalmus | Meixner, 1938 | |
| Proceropharynx | anophthalmus | (Meixner, 1929) | |
| Ethmorhynchus | anophthalmus | Meixner, 1938 | |
| Prognathorhynchus | anophthalmus | Meixner | |
| Solenopharynx | anophthalmus | Meixner, 1929 | |
| Koinocystididae | Anoplorhynchus | Meixner, 1925 | |
| Archiloinae | Archilopsis | Meixner, 1938 | |
| Lithophora | Archimonocelididae | Meixner, 1938 | |
| Archimonocelididae | Archimonocelidinae | Meixner, 1938 | |
| Archimonocelidinae | Archimonocelis | Meixner, 1938 | |
| Protomonotresinae | Archimonotresis | Meixner, 1938 | |
| Pseudostomum | arenarium | Meixner, 1938 | |
| Proxenetes | arenarius | Meixner, 1938 | |
| Paraschizorhynchus | arenarius | Meixner, 1938 | |
| Pseudograffilla | arenicola | Meixner, 1938 | |
| Avagina | aurita | Meixner, 1938 | |
| Euxinia | baltica | Meixner, 1938 | |
| Otoplana | baltica | Meixner, 1938 | |
| Otoplanella | baltica | (Meixner, 1938) | |
| Bothriomolus | balticus | Meixner, 1938 | |
| Anaperus | balticus | Meixner, 1938 | |
| Solenopharynx | balticus | Meixner, 1938 | |
| Adenorhynchus | balticus | Meixner, 1938 | |
| Psammopolycystis | bidens | Meixner, 1938 | |
| Pseudoceros | bimarginatum | Meixner, 1907 | |
| Pseudoceros | bimarginatus | Meixner, 1907 | |
| Phonorhynchus | bitubatus | Meixner, 1938 | |
| Cicerininae | Blennorhynchus | Meixner, 1938 | |
| Diascorhynchus | borealis | Meixner, 1928 | |
| Diascorhynchus | brevicaudatus | Meixner, 1929 | |
| Cicerina | brevicirrus | Meixner, 1928 | |
| Cheliplana | caeca | Meixner, 1938 | |
| Parotoplana | capitata | Meixner, 1938 | |
| Schizorhynchidae | Carcharodorhynchus | Meixner, 1938 | |
| Platyhelminthes | Catenulida | Meixner, 1924 | |
| Cheliplanilla | caudata | Meixner, 1938 | |
| Thylacorhynchus | caudatus | Meixner, 1928 | |
| Aphanostoma | cavernosum | Meixner, 1938 | |
| Pseudomonocelis | cetinae | Meixner, 1943 | |
| Cheliplanidae | Cheliplanilla | Meixner, 1938 | |
| Eukalyptorhynchia | Cicerinidae | Meixner, 1928 | |
| Plagiostomum | cinctum | Meixner, 1938 | |
| Archiloa | cirrifera | (Meixner, 1943) | |
| Monocelis | cirrifera | Meixner, 1943 | |
| Inaloa | cirrifera | (Meixner, 1943) | |
| Karkinorhynchus | coecus | Meixner, 1938 | |
| Nematoplana | coelogynoporoides | Meixner, 1938 | |
| Leptoplana | concolor | Meixner, 1907 | |
| Euplanoida | concolor | (Meixner, 1907) | |
| Euplana | concolor | (Meixner, 1907) | |
| Euplana | concolor | (Meixner, 1907) | |
| Discoplana | concolor | (Meixner, 1907) | |
| Leptoplana | concolor | Meixner, 1907 | |
| Discoplana | concolor | (Meixner, 1907) | |
| Thylacorhynchus | conglobatus | Meixner, 1928 | |
| Gnathorhynchus | conocaudatus | Meixner, 1929 | |
| Ulianinia | contractilis | (Meixner, 1938) | |
| Gastropharynx | contractilis | Meixner, 1938 | |
| Notoplana | cotylifera | Meixner, 1907 | |
| Notoplana | cotylifera | Meixner, 1907 | |
| Dugesia | cretica | (Meixner, 1928) | |
| Euplanaria | cretica | Meixner, 1928 | |
| Euplanaria | gonocephala | cretica | Meixner, 1928 |
| Schizorhynchia | Diascorhynchidae | Meixner, 1928 | |
| Diascorhynchidae | Diascorhynchus | Meixner, 1928 | |
| Monotoplana | diorchis | Meixner, 1938 | |
| Schizorhynchoides | diplorchis | Meixner, 1928 | |
| Stylochus | djiboutiensis | Meixner, 1907 | |
| Stylochus | djiboutiensis | Meixner, 1907 | |
| Prognathorhynchus | dubius | Meixner, 1929 | |
| Schizorhynchoides | duplotestes | Meixner, 1928 | |
| Blennorhynchus | egregius | Meixner, 1938 | |
| Otoplanidia | endocystis | Meixner, 1938 | |
| Acrumeninae | Ethmorhynchus | Meixner, 1938 | |
| Acrumeninae | Etmorhynchus | Meixner, 1938 | |
| Kalyptorhynchia | Eukalyptorhynchia | Meixner, 1928 | |
| Promesostoma | excellens | Meixner, 1938 | |
| Otoplana | filum | Meixner, 1938 | |
| Proxenetes | filum | Meixner, 1938 | |
| Orthoplana | filum | (Meixner, 1938) | |
| Monostichoplana | filum | (Meixner, 1938) | |
| Monostichoplana | filum | filum | (Meixner, 1938) |
| Orthoplana | foliacea | (Meixner, 1938) | |
| Otoplana | foliacea | Meixner, 1938 | |
| Pseudorthoplana | foliacea | (Meixner, 1938) | |
| Prolecithophora | Gastropharyngidae | Meixner, 1938 | |
| Gastropharyngidae | Gastropharynx | Meixner, 1938 | |
| Kataplana | germanica | (Meixner in Ax, 1951) | |
| Philosyrtis | germanica | Meixner, 1938 | |
| Coelogynopora | gigantea | Meixner, 1938 | |
| Eukalyptorhynchia | Gnathorhynchidae | Meixner, 1929 | |
| Gnathorhynchidae | Gnathorhynchus | Meixner, 1929 | |
| Monocelis | gracilis | (Meixner, 1938) | |
| Monotocelis | gracilis | Meixner, 1938 | |
| Pseudoceros | gravieri | Meixner, 1907 | |
| Pseudoceros | gravieri | Meixner, 1907 | |
| Promesostoma | hamiferumm | Meixner, 1938 | |
| Macrostomorpha | Haplopharyngidae | Meixner, 1938 | |
| Haplopharyngidae | Haplopharynx | Meixner, 1938 | |
| Protoplanellinae | Haplorhynchella | Meixner, 1924 | |
| Gnathorhynchus | hastatus | Meixner, 1929 | |
| Drepanorhynchides | hastatus | (Meixner, 1929) | |
| Itaspiella | helgolandica | (Meixner, 1938) | |
| Otoplana | helgolandica | Meixner, 1938 | |
| Pseudogyratrix | helgolandicum | Meixner, 1938 | |
| Pseudopolycystis | inermis | Meixner, 1929 | |
| Minona | insularis | (Meixner, 1928) | |
| Preminona | insularis | (Meixner, 1928) | |
| Monocelis | insularis | Meixner, 1928 | |
| Schizorhynchia | Karkinorhynchidae | Meixner, 1928 | |
| Karkinorhynchidae | Karkinorhynchus | Meixner, 1928 | |
| Eukalyptorhynchia | Koinocystididae | Meixner, 1924 | |
| Koinocystididae | Koinocystis | Meixner, 1924 | |
| Dalyellia | kupelwieseri | Meixner, 1915 | |
| Microdalyellia | kupelwieseri | (Meixner, 1915) | |
| Paracicerina | laboeica | Meixner, 1928 | |
| Koinocystis | lacustris | Meixner, 1926 | |
| Eukalyptorhynchia | Lekanorhynchus | Meixner, 1938 | |
| Archimonotresis | limophila | Meixner, 1938 | |
| Prosthiostomum | lineatum | Meixner, 1907 | |
| Prosthiostomum | lineatum | Meixner, 1907 | |
| Promesostoma | lugubra | Meixner, 1938 | |
| Jensenia | macropharynx | Meixner, 1938 | |
| Halammovortex | macropharynx | (Meixner, 1938) | |
| Procheliplana | magnifica | Meixner, 1938 | |
| Latocestus | marginatus | Meixner, 1907 | |
| Latocestus | marginatus | Meixner, 1907 | |
| Archimonocelis | mediterranea | Meixner, 1938 | |
| Paraschizorhynchus | mirabilis | Meixner, 1938 | |
| Monocelidinae | Monotocelis | Meixner, 1938 | |
| Monocelidinae | Monotoplana | Meixner, 1938 | |
| Monotoplanidae | Monotoplana | Meixner, 1938 | |
| Macrostomum | mystrophorum | Meixner, 1926 | |
| Bipalium | natunense | Meixner, 1906 | |
| Diversibipalium | natunense | (Meixner, 1906) | |
| Nematoplanidae | Nematoplana | Meixner, 1938 | |
| Unguiphora | Nematoplanidae | Meixner, 1938 | |
| Proschizorhynchella | oculata | (Meixner, 1928) | |
| Proschizorhynchus | oculatus | Meixner, 1928 | |
| Parotoplaninae | Otoplanidia | Meixner, 1938 | |
| Haplorhynchella | paludicola | Meixner, 1924 | |
| Cicerininae | Paracicerina | Meixner, 1928 | |
| Gnathorhynchidae | Paragnathorhynchus | Meixner, 1938 | |
| Monocelidinae | Paramonotus | Meixner, 1938 | |
| Schizorhynchidae | Paraschizorhynchus | Meixner, 1938 | |
| Parotoplaninae | Parotoplana | Meixner, 1938 | |
| Rhynchodemus | peneckei | Meixner, 1921 | |
| Microplana | peneckei | (Meixner, 1921) | |
| Anoplorhynchus | piger | Meixner, 1925 | |
| Eukalyptorhynchia | Placorhynchidae | Meixner, 1938 | |
| Eukalyptorhynchia | Polycystidae | Meixner, 1924 | |
| (Karkinorhynchus) | primitivus | (Meixner, 1928) | |
| Karkinorhynchus | primitivus | Meixner, 1928 | |
| Gyratrix | proavus | Meixner, 1929 | |
| Cheliplanidae | Procheliplana | Meixner, 1938 | |
| Gnathorhynchidae | Prognathorhynchus | Meixner, 1929 | |
| Schizorhynchidae | Proschizorhynchus | Meixner, 1928 | |
| Euneoophora | Proseriata | Meixner, 1938 | |
| Provortex | psammophilus | Meixner, 1938 | |
| Psammopolycystidinae | Psammopolycystis | Meixner, 1938 | |
| Psammorhynchidae | Psammorhynchus | Meixner, 1938 | |
| Pseudograffillinae | Pseudograffilla | Meixner, 1938 | |
| Graffillidae | Pseudograffillinae | Meixner, 1938 | |
| incertae sedis | Pseudogyratrix | Meixner, 1938 | |
| Cannoninae | Pseudomonocelis | Meixner, 1943 | |
| Polycystidinae | Pseudopolycystis | Meixner, 1938 | |
| Neodalyellida | Pterastericolidae | Meixner, 1925 | |
| Lekanorhynchus | remanei | Meixner, 1938 | |
| Rhinepera | remanei | Meixner, 1928 | |
| Cheliplana | remanei | (Meixner, 1928) | |
| Cicerina | remanei | Meixner, 1928 | |
| Stylochus | reticulatus (3) | Meixner, 1907 | |
| Cheliplanidae | Rhinepera | Meixner, 1928 | |
| Pseudogeoplana | rosenbergi | (Meixner, 1906) | |
| Geoplana | rosenbergi | Meixner, 1906 | |
| Haplopharynx | rostratus | Meixner, 1938 | |
| Stylochus | salmoneus | Meixner, 1907 | |
| Stylochus | salmoneus | Meixner, 1907 | |
| Kalyptorhynchia | Schizorhynchia | Meixner, 1928 | |
| Schizorhynchidae | Schizorhynchoides | Meixner, 1928 | |
| Promonotus | schultzei | Meixner, 1943 | |
| Coelogynopora | schulzii | Meixner, 1938 | |
| Strongylostoma | simplex | simplex | Meixner, 1915 |
| Strongylostoma | simplex | Meixner, 1915 | |
| Leptoplanidae | Stylochoplaninae | Meixner, 1907 | |
| Paragnathorhynchus | subterraneus | Meixner, 1938 | |
| Carcharodorhynchus | subterraneus | Meixner, 1938 | |
| Coelogynopora | tenuis | Meixner, 1938 | |
| Psammorhynchus | tubulipenis | Meixner, 1938 | |
| Rhinepera | vaginalis | Meixner, 1929 | |
| Phaenocora | variodentata | Meixner, 1915 | |
| Pseudoceros | vinosus | Meixner, 1907 | |
| Pseudoceros | vinosus | Meixner, 1907 |
194 names, including those in new combination. (Max listing set to 900)