Turbellarian taxonomic database

Protostomia       Grobben, 1908
Platyhelminthes       Minot, 1876
Rhabditophora       Ehlers, 1985
Trepaxonemata       Ehlers, 1984
Euneoophora       Laumer & Giribet, 2014
Rhabdocoela       Ehrenberg, 1831
Dalytyphloplanida       Willems, Wallberg, Jondelius, Littlewood, Backeljau, Schockaert, Artoi
Neotyphloplanida       Willems et al., 2006
Thalassotyphloplanida       Willems et al., 2006

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Promesostomidae (cont.)
Promesostominae (cont.)
Promesostoma paracochleare Ax, 1952
Promesostoma rostratum Ax, 1951
Promesostoma sartagine Ax & Ehlers, 1973
Promesostoma scylax Marcus, 1952
Promesostoma serpentistylum Ax, 1952
Promesostoma solea (Schmidt, 1857)
Promesostoma spirale Beklemischev, 1953
Promesostoma spiriferum Karling, 1967
Promesostoma tenebrosum Ax & Ehlers, 1973
Promesostoma fibulatum Ax & Armonies, 1987
Promesostoma bilobatum Ax & Armonies, 1987
Paramesostominae
Gandalfia bilunata Willems, Artois, Vermin, Backeljau, & Schockaert, 2005
Paramesostoma neapolitanum (Graff, 1882)
Paramesostoma helgolandicum Ax, 1959
Microvahine corallicola Karling, Mack-Fira & Dörjes, 1972
Astrotorhynchus hakaiensis Van Steenkiste, Herbert & Leander, 2018
Astrotorhynchus intermedius Van Steenkiste, Herbert, & Leander, 2018
Astrotorhynchus regulatus Graff, 1905
Astrotorhynchus bifidus (McIntosh, 1874)
Trigonostomidae
Feanora brevicirrus De Clerck & Schockaert, 1995
Mahurubia clava Willems, Artois, Vermin, Backeljau, & Schockaert, 2005
Parapharyngiella involucrum Willems, Artois, Vermin, Backeljau, & Schockaert, 2005
Parapharyngiella caribbaea Diez, Reygel & Artois, 2018
Parapharyngiella steenkistei Diez, Reygel & Artois, 2018
Parapharyngiella mackfirae (Karling, 1978)
Trigonostomum messoplanoides Artois, Vermin & Schockaert, 2000
Trigonostomum franki Willems, Artois, Vermin, & Schockaert, 2004
Trigonostomum galapagoense Willems, Artois, Vermin, & Schockaert, 2004
Trigonostomum nataschae Willems, Artois, Vermin, & Schockaert, 2004
Trigonostomum spinigerum Willems, Artois, Vermin, & Schockaert, 2004
Trigonostomum tori Willems, Artois, Vermin, & Schockaert, 2004
Trigonostomum watsoni Willems, Artois, Vermin, & Schockaert, 2004
Trigonostomum australe Willems, Artois, Vermin, & Schockaert, 2004
Trigonostomum denhartogi (Karling, 1978)
Trigonostomum vanmecheleni Artois, Schockaert, Beenaerts & Reygel, 2013
Trigonostomum tillicum Van Steenkiste & Leander, 2017
Trigonostomum sinense Wang & Hu, 2019
Trigonostomum yoandrisi Diez, Reygel, & Artois, 2023
Trigonostomum setigerum Schmidt, 1852
Trigonostomum armatum (Jensen, 1878)
Trigonostomum breitfussi (Graff, 1905)
Trigonostomum brunchorsti Graff, 1905
Trigonostomum coronatum (Graff, 1882)
Trigonostomum mirabile (Pereyaslawzewa, 1892)
Trigonostomum lilliei (Graff, 1911)
Trigonostomum penicillatum (Schmidt, 1857)
Trigonostomum piriforme Pereyaslawzewa, 1892
Trigonostomum prytherchi Kepner, Ferguson & Stirewalt, 1941
Trigonostomum venenosum (Uljanin, 1870)
Beklemischeviella contorta (Beklemischev, 1927)
Beklemischeviella angustior Luther, 1943
Ptychopera alaskana Ax & Armonies, 1990
Ptychopera japonica Ax, 2008
Ptychopera unicornis Van Steenkiste & Leander, 2018
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Ptychopera avicularis Karling, 1974
Ptychopera ehlersi Ax, 1971
Ptychopera hartogi Ax, 1971
Ptychopera plebeia (Beklemischev, 1927)
Ptychopera purasjokii Ax, 1971
Ptychopera scutulifera Ehlers & Ax, 1974
Ptychopera spinifera den Hartog, 1966
Ptychopera subterranea Ax, 1971
Ptychopera tuberculata (Graff, 1882)
Ptychopera zostericola Ax, 1971
Ceratopera cascadiensis Van Steenkiste & Leander, 2017
Ceratopera complicata Van Steenkiste & Leander, 2017
Ceratopera canariensis (Ehlers & Ehlers, 1980)
Ceratopera aremorica (Ehlers & Sopott-Ehlers, 1989)
Ceratopera elegans (Luther, 1948)
Ceratopera falcata (Ax, 1953)
Ceratopera floralis (Ehlers, 1974)
Ceratopera geminata (den Hartog, 1966)
Ceratopera globulifera (Artois, Vermin & Schockaert, 2000)
Ceratopera helgolandica (Ax, 1971)
Ceratopera minuta (Artois, Vermin & Schockaert, 2000)
Ceratopera pacifica (Karling, 1986)
Ceratopera roscoffensis (Ehlers, 1980)
Ceratopera rugata (Ehlers, 1974)
Ceratopera spiralis (Artois, Vermin & Schockaert, 2000)
Ceratopera flabellifera (den Hartog, 1964)
Ceratopera gracilis (Graff, 1882)
Ceratopera axi (Riedl, 1954)
Ceratopera bermudensis Karling, 1986
Ceratopera ehlersi Karling, 1986
Ceratopera paradoxa (Pereyaslawzewa, 1892)
Ceratopera paragracilis Ehlers & Ax, 1974
Ceratopera pilifera Karling, 1986
Ceratopera reisingeri (Riedl, 1959)
Ceratopera sellai (Steinböck, 1933)
Ceratopera steinboecki (Riedl, 1959)
Lutheriella diplostyla den Hartog, 1966
Cryptostiopera cornuta Ax, 1974
Petaliella spiracauda Ehlers, 1974
Brederveldia bidentata Van der Velde & Van de Winkel, 1975
Proxenetes arctica Ax & Armonies, 1990
Proxenetes trispinosus Artois, Vermin & Schockaert, 2000
Proxenetes ampullatus Ax, 1971
Proxenetes bilioi den Hartog, 1966
Proxenetes britannicus den Hartog, 1966

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