| Hydrolimax bruneus Girard, 1891 | | w | other taxonomic work | |
| Tetracelis fontana (Schrank, 1803) | | w | latest taxonomic authority | |
| Typhloplana fuliginosa (Leidy, 1852) | | w | latest taxonomic authority | |
| Rhodax evelinae Marcus, 1946 | | w | latest taxonomic authority | |
| Bdelloura parasitica Leidy, 1852 | | w | latest taxonomic authority | |
| Dendrocoelidae Acromyadenium de Beauchamp, 1931 | | w | latest taxonomic authority | |
| Acromyadenium maroccanum de Beauchamp, 1931 | | w | latest taxonomic authority | |
| Alaoplana lanceolata (Grube, 1872) | [with synonyms] | w | latest taxonomic authority | |
| Alaoplana sublanceolata (Livanov & Porfirjeva, 1964) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelidae Amyadenium de Beauchamp, 1931 | | w | latest taxonomic authority | |
| Amyadenium beauchampi Gourbault, 1969 | | w | latest taxonomic authority | |
| Amyadenium brementi (de Beauchamp, 1919) | | w | latest taxonomic authority | |
| Amyadenium brementi oculatum Porfirieva, 1958 | | w | latest taxonomic authority | |
| Amyadenium chattoni de Beauchamp, 1949 | | w | latest taxonomic authority | |
| Amyadenium garmieri de Beauchamp, 1950 | [with synonyms] | w | latest taxonomic authority | |
| Amyadenium vandeli de Beauchamp, 1931 | | w | latest taxonomic authority | |
| Dendrocoelidae Anocelis Stimpson, 1857 | | w | latest taxonomic authority | |
| Anocelis caeca Duges, 1830 | [with synonyms] | w | latest taxonomic authority | |
| Anocelis caeca (2) Vejdovsky, 1883 | | w | latest taxonomic authority | |
| Anocelis caeca (3) Porfirieva, 1973 | | w | latest taxonomic authority | |
| Anocelis fuliginosa Stimpson, 1857 | | w | latest taxonomic authority | |
| Anocelis hepatizon (Grube, 1872) | | w | latest taxonomic authority | |
| Anocelis lanceolata (Grube, 1872) | | w | latest taxonomic authority | |
| Anocelis pardalina (Grube, 1872) | | w | latest taxonomic authority | |
| Anocelis stagnalis (Müller, 1773) | | w | latest taxonomic authority | |
| Anocelis sublanceolata Livanov & Porfirjeva, 1964 | | w | latest taxonomic authority | |
| Anocelis tigrina (Grube, 1872) | | w | latest taxonomic authority | |
| Dendrocoelidae Anocelis Grube, 1872 | | w | latest taxonomic authority | |
| Dendrocoelidae Apodendrocoelum de Beauchamp, 1931 | | w | latest taxonomic authority | |
| Apodendrocoelum brachyphallus (de Beauchamp, 1929) | | w | latest taxonomic authority | |
| Apodendrocoelum lipophallus de Beauchamp, 1929 | | w | latest taxonomic authority | |
| Apodendrocoelum lipophallus superficialis Porfirieva, 1958 | | w | latest taxonomic authority | |
| Apodendrocoelum puteale (Kenk, 1930) | | w | latest taxonomic authority | |
| Apodendrocoelum superficialis Porfirieva, 1958 | | w | latest taxonomic authority | |
| Dendrocoelidae Archicotylus Korotneff, 1912 | | w | other taxonomic work | |
| Archicotylus cinereus Korotneff, 1912 | | w | latest taxonomic authority | |
| Archicotylus decoloratus Korotneff, 1912 | | w | latest taxonomic authority | |
| Archicotylus flavus Korotneff, 1912 | | w | latest taxonomic authority | |
| Archicotylus junca (Korotneff, 1912) | | w | latest taxonomic authority | |
| Archicotylus lacteus Korotneff, 1912 | [with synonyms] | w | latest taxonomic authority | |
| Archicotylus maculatus Korotneff, 1912 | | w | latest taxonomic authority | |
| Archicotylus multiclada Korotneff, 1912 | | w | latest taxonomic authority | |
| Archicotylus parvipunctatus (Korotneff, 1912) | | w | latest taxonomic authority | |
| Archicotylus planus (Sabussow, 1903) | | w | latest taxonomic authority | |
| Archicotylus rutilus Korotneff, 1912 | | w | latest taxonomic authority | |
| Microarchicotylus stringulatus (Korotneff, 1912) | [with synonyms] | w | other taxonomic work | |
| Archicotylus viviparus Rubtzoff, 1928 | | w | latest taxonomic authority | |
| Dendrocoelidae Armilla Livanov, 1961 | | w | other taxonomic work | |
| Armilla armata (Sabussow, 1903) | | w | latest taxonomic authority | |
| Armilla pardalina (Grube, 1872) | | w | latest taxonomic authority | |
| Dendrocoelidae Atria Porfirieva, 1970 | | w | other taxonomic work | |
| Atria kozhowi Porfirieva, 1970 | | w | latest taxonomic authority | |
| Dendrocoelidae Baikaloplana Berg, 1925 | [with synonyms] | w | other taxonomic work | |
| Baikaloplana valida (Korotneff, 1912) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelidae Baikalobia Kenk, 1930 | | w | other taxonomic work | |
| Baikalobia copulatrix (Korotneff, 1912) | | w | latest taxonomic authority | |
| Baikalobia guttata (Gerstfeldt, 1858) | | w | other taxonomic work | |
| Baikalobia guttata guttata (Gerstfeldt, 1858) | | w | latest taxonomic authority | |
| Baikalobia guttata major Livanov, 1961 | | w | latest taxonomic authority | |
| Baikalobia raddei (Sabussowa, 1911) | | w | other taxonomic work | |
| Baikalobia variegata (Korotneff, 1912) | | w | latest taxonomic authority | |
| Bdellocephala angarensis cotyloides Rubtzoff, 1928 | | w | latest taxonomic authority | |
| Bdellocephala angarensis melanocinerea (Korotneff, 1912) | | w | other taxonomic work | |
| Bdellocephala angarensis olivacea (Korotneff, 1912) | [with synonyms] | w | other taxonomic work | |
| Bdellocephala angarensis subrufa (Korotneff, 1912) | | w | latest taxonomic authority | |
| Bdellocephala arcellaris (Korotneff, 1912) | | w | latest taxonomic authority | |
| Bdellocephala baicalensis (Zabusova, 1903) | [with synonyms] | w | latest taxonomic authority | |
| Bdellocephala baicalensis baikalensis Livanov, 1962 | | w | other taxonomic work | |
| Bdellocephala baicalensis compacta Livanov, 1962 | | w | latest taxonomic authority | |
| Bdellocephala baicalensis subniger Livanov, 1962 | | w | other taxonomic work | |
| Bdellocephala bicornis (Gmelin, 1791) | | w | latest taxonomic authority | |
| Bdellocephala brunnea Ijima & Kaburaki, 1916 | | w | latest taxonomic authority | |
| Bdellocephala cotyloides Rubtzoff, 1928 | [with synonyms] | w | latest taxonomic authority | |
| Bdellocephala exotica (Hyman, 1953) | | w | latest taxonomic authority | |
| Bdellocephala fusca (Pallas, 1774) | | w | latest taxonomic authority | |
| Bdellocephala hypervesiculina Livanov, 1962 | | w | latest taxonomic authority | |
| Bdellocephala jezensis Ichikawa, 1954 | | w | latest taxonomic authority | |
| Bdellocephala kamtschatica Zabusova, 1929 | [with synonyms] | w | latest taxonomic authority | |
| Bdellocephala punctata (Pallas, 1774) | [with synonyms] | w | latest taxonomic authority | |
| Bdellocephala schneideri Komarek, 1930 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelidae Bolbodendrocoelum de Beauchamp, 1932 | | w | latest taxonomic authority | |
| Bolbodendrocoelum agile de Beauchamp, 1932 | | w | latest taxonomic authority | |
| Dendrocoelidae Caspioplana Zabusova, 1951 | | w | latest taxonomic authority | |
| Caspioplana pharyngosa Zabusova, 1951 | | w | latest taxonomic authority | |
| Dendrocoelum abditum (Kenk, 1940) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum adenodactylosum (Stankovic & Komarek, 1927) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum affine Codreanu & Balcesco, 1970 | | w | latest taxonomic authority | |
| Dendrocoelum agile de Beauchamp, 1932 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum alba (Linné, 1746) | | w | latest taxonomic authority | |
| Dendrocoelum alba crenatum (Müller, 1773) | | w | latest taxonomic authority | |
| Dendrocoelum alba simplex Perkins, 1928 | | w | latest taxonomic authority | |
| Dendrocoelum album (Steinmann, 1910) | | w | latest taxonomic authority | |
| Dendrocoelum alexandrinae Codreanu & Balcesco, 1970 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum angarense (Gerstfeldt, 1858) | | w | latest taxonomic authority | |
| Dendrocoelum atriostrictum Codreanu & Balcesco, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum banaticum Codreanu & Balcesco, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum barbei de Beauchamp, 1956 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum beauchampi Del Papa, 1953 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum boettgeri An der Lan, 1955 | | w | latest taxonomic authority | |
| Dendrocoelum bohemicum Komarek & Kunst, 1956 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum brachyphallus (Beauchamp, 1929) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum brandtii Bohmig, 1893 | | w | latest taxonomic authority | |
| Dendrocoelum brunneomarginatum Bohmig, 1893 | | w | latest taxonomic authority | |
| Dendrocoelum caecum (Komarek, 1926) | | w | latest taxonomic authority | |
| Dendrocoelum carpathicum Komarek, 1926 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum caspicum Porfirjeva & Dyganova, 1972 | | w | latest taxonomic authority | |
| Dendrocoelum caucasicum Porfirieva, 1958 | | w | latest taxonomic authority | |
| Dendrocoelum cavaticum (Fries, 1874) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum cavaticum sollaudi de Beauchamp, 1931 | | w | latest taxonomic authority | |
| Dendrocoelum chappuisi de Beauchamp, 1932 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum clujanum Codreanu, 1943 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum codreanui Gourbault, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum coecum (Komarek, 1926) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum coiffaiti de Beauchamp, 1956 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum collini (de Beauchamp, 1919) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum debeauchampianum Codreanu & Balcesco, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum decemoculatum (Komarek, 1919) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum dumitrescuae Gourbault, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum findeneggi (Reisinger, 1971) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum fuscum (Pallas, 1774) | | w | latest taxonomic authority | |
| Dendrocoelum geticum Codreanu & Balcesco, 1970 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum gineti de Beauchamp, 1954 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum graffi Wilhelmi, 1909 | | w | latest taxonomic authority | |
| Dendrocoelum hankoi (Gelei J, 1927) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum hercynicum Flossner, 1959 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum hussoni Sauber, 1970 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum infernale (Steinmann, 1907) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum italicum Vialli, 1937 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum kenki de Beauchamp, 1927 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum lacteum bathycola (Steinmann, 1909) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum lacteum crenatum (Müller, 1773) | | w | latest taxonomic authority | |
| Dendrocoelum lacteum croceum (Baer, 1827) | | w | latest taxonomic authority | |
| Dendrocoelum lacteum simplex Perkins, 1928 | | w | latest taxonomic authority | |
| Dendrocoelum lacteum verbanense Benazzi, 1945 | | w | latest taxonomic authority | |
| Dendrocoelum lacteum Örsted, 1844 | | w | latest taxonomic authority | |
| Dendrocoelum lacteum crenata (Müller, 1773) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum lescherae Gourbault, 1970 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum lipophallus (de Beauchamp, 1929) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum longipenis Komarek, 1916 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum mrazekii (Vejdovsky, 1895) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum mrazekii pannonicum (Mehely, 1927) | | w | latest taxonomic authority | |
| Dendrocoelum nausicaae Schmidt, 1861 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum orghidani Codreanu & Balcesco, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum orghidani (2) Gourbault, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum panamicum (Mehely, 1927) | | w | latest taxonomic authority | |
| Dendrocoelum pannonicum (Mehely, 1927) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum parisi (de Beauchamp, 1929) | | w | latest taxonomic authority | |
| Dendrocoelum parvioculatum de Beauchamp, 1932 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum percoecum Packard, 1879 | | w | latest taxonomic authority | |
| Dendrocoelum plesiophthalmum de Beauchamp, 1937 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum polymorphum Codreanu & Balcesco, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum prespense (Stankovic, 1969) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum pulcherrimum Girard, 1850 | | w | latest taxonomic authority | |
| Dendrocoelum punctatum (Pallas, 1774) | | w | latest taxonomic authority | |
| Dendrocoelum puteale Kenk, 1930 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum quadrioculatum (Graff, 1875) | | w | latest taxonomic authority | |
| Dendrocoelum racovitzae de Beauchamp, 1949 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum regnaudi (de Beauchamp, 1919) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum remyi de Beauchamp, 1926 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum romanodanubiale (Codreanu, 1949) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum sollaudi de Beauchamp, 1931 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum spelaeum (Kenk, 1924) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum spelaeum caucasicum Porfirieva, 1958 | | w | latest taxonomic authority | |
| Dendrocoelum sphaerophallus (de Beauchamp, 1929) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum spinosipenis Kenk, 1925 | | w | latest taxonomic authority | |
| Dendrocoelum sanctinaumi (Stankovic & Komarek, 1927) | | w | latest taxonomic authority | |
| Dendrocoelum stenophallous Codreanu & Balcesco, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum subterraneum Komarek, 1919 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum superbum Girard, 1850 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum superficiale (Porfirieva, 1958) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum tismanae Codreanu & Balcesco, 1967 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum truncatum (Leidy, 1852) | | w | latest taxonomic authority | |
| Dendrocoelum tubuliferum de Beauchamp, 1919 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum tuzetae Gourbault, 1965 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum vaillanti Beauchamp, 1954 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum vitta (Duges, 1830) | | w | latest taxonomic authority | |
| Dendrocoelum vittatum Diesing, 1850 | | w | latest taxonomic authority | |
| Dendrocoelum voinovi (Codreanu, 1929) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelum warnimonti Hoffmann, 1964 | | w | latest taxonomic authority | |
| Dendrocoelidae Dendrocoelides de Beauchamp, 1919 | | w | latest taxonomic authority | |
| Dendrocoelides abditum (Kenk, 1940) | | w | latest taxonomic authority | |
| Dendrocoelides archipannonicus Gelei, 1927 | | w | latest taxonomic authority | |
| Dendrocoelides atriostrictum (Codreanu & Balcesco, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides banaticum (Codreanu & Balcesco, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides barbnei (de Beauchamp, 1956) | | w | latest taxonomic authority | |
| Dendrocoelides brachyphallus de Beauchamp, 1929 | | w | latest taxonomic authority | |
| Dendrocoelides carpathium Komarek, 1926 | | w | latest taxonomic authority | |
| Dendrocoelides cavatica (Fries, 1874) | | w | latest taxonomic authority | |
| Dendrocoelides chappuisi (de Beauchamp, 1932) | | w | latest taxonomic authority | |
| Dendrocoelides clujanum (Codreanu, 1943) | | w | latest taxonomic authority | |
| Dendrocoelides codreanui (Gourbault, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides coeca Komarek, 1926 | | w | latest taxonomic authority | |
| Dendrocoelides coiffaiti (de Beauchamp, 1956) | | w | latest taxonomic authority | |
| Dendrocoelides collini de Beauchamp, 1919 | | w | latest taxonomic authority | |
| Dendrocoelides debeauchampianum (Codreanu & Balcesco, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides dumitrescuae (Gourbault, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides hankoi Gelei, 1927 | | w | latest taxonomic authority | |
| Dendrocoelides italicum (Vialli, 1937) | | w | latest taxonomic authority | |
| Dendrocoelides kenki (de Beauchamp, 1937) | | w | latest taxonomic authority | |
| Dendrocoelides lescherae (Gourbault, 1970) | | w | latest taxonomic authority | |
| Dendrocoelides lipophallus de Beauchamp, 1929 | | w | latest taxonomic authority | |
| Dendrocoelides mrazeki (Vejdovsky, 1895) | | w | latest taxonomic authority | |
| Dendrocoelides mrazeki pannonica (Mehely, 1927) | | w | latest taxonomic authority | |
| Dendrocoelides orghidani (Codreanu & Balcesco, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides orghidani (Gourbault, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides pannonicus Mehely, 1927 | | w | latest taxonomic authority | |
| Dendrocoelides polymorphum (Codreanu & Balcesco, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides racovitzai (de Beauchamp, 1949) | | w | latest taxonomic authority | |
| Dendrocoelides regnardi de Beauchamp, 1919 | | w | latest taxonomic authority | |
| Dendrocoelides spelaea Kenk, 1924 | | w | latest taxonomic authority | |
| Dendrocoelides sphaerophallus de Beauchamp, 1929 | | w | latest taxonomic authority | |
| Dendrocoelides tismanae (Codreanu & Balcesco, 1967) | | w | latest taxonomic authority | |
| Dendrocoelides tubuliferum (de Beauchamp, 1919) | | w | latest taxonomic authority | |
| Dendrocoelides tuzetae Gourbault, 1965 | | w | latest taxonomic authority | |
| Dendrocoelides vaillanti (Beauchamp, 1954) | | w | latest taxonomic authority | |
| Dendrocoelides voinovi (Codreanu, 1929) | | w | latest taxonomic authority | |
| Dendrocoelopsis alaskensis Kenk, 1953 | | w | other taxonomic work | |
| Dendrocoelopsis americana (Hyman, 1939) | | w | latest taxonomic authority | |
| Dendrocoelopsis beauchampi (Gourbault, 1969) | | w | latest taxonomic authority | |
| Dendrocoelopsis borealis Ichikawa, 1954 | | w | latest taxonomic authority | |
| Dendrocoelopsis brementi (de Beauchamp, 1919) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelopsis brementi oculatum (Porfirieva, 1968) | | w | latest taxonomic authority | |
| Dendrocoelopsis chattoni (de Beauchamp, 1949) | | w | latest taxonomic authority | |
| Dendrocoelopsis ezensis Ichikawa & Okugawa, 1958 | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelopsis garmieri (de Beauchamp, 1950) | | w | latest taxonomic authority | |
| Dendrocoelopsis hymanae Kawakatsu, 1968 | | w | other taxonomic work | |
| Dendrocoelopsis lactea Ichikawa & Okugawa, 1958 | | w | latest taxonomic authority | |
| Dendrocoelopsis oculata (Porfirieva, 1958) | | w | latest taxonomic authority | |
| Dendrocoelopsis piriformis Kenk, 1953 | | w | other taxonomic work | |
| Dendrocoelopsis spinosipenis Kenk, 1925 | | w | latest taxonomic authority | |
| Dendrocoelopsis vaginata Hyman, 1935 | | w | other taxonomic work | |
| Dendrocoelopsis vandeli (de Beauchamp, 1931) | | w | latest taxonomic authority | |
| Dendrocoelidae Eudendrocoelum Komarek, 1925 | | w | latest taxonomic authority | |
| Eudendrocoelum beauchampi (del Papa, 1952) | | w | latest taxonomic authority | |
| Eudendrocoelum bohemicum (Komarek & Kunst, 1956) | | w | latest taxonomic authority | |
| Eudendrocoelum botosaneanui (Del Papa, 1970) | | w | latest taxonomic authority | |
| Eudendrocoelum gineti (de Beauchamp, 1954) | | w | latest taxonomic authority | |
| Eudendrocoelum hussoni (Sauber, 1970) | | w | latest taxonomic authority | |
| Eudendrocoelum infernale (Steinmann, 1907) | | w | latest taxonomic authority | |
| Eudendrocoelum jablanicense (Stankovic & Komarek, 1927) | | w | latest taxonomic authority | |
| Eudendrocoelum lacteum (Müller, 1773) | | w | latest taxonomic authority | |
| Eudendrocoelum nausicaae (Schmidt, 1861) | | w | latest taxonomic authority | |
| Eudendrocoelum parvioculatum (de Beauchamp, 1932) | | w | latest taxonomic authority | |
| Eudendrocoelum remyi (de Beauchamp, 1926) | | w | latest taxonomic authority | |
| Eudendrocoelum sollaudi (de Beauchamp, 1931) | | w | latest taxonomic authority | |
| Eudendrocoelum subterraneum (Komarek, 1919) | | w | latest taxonomic authority | |
| Eudendrocoelum tubuliferum (de Beauchamp, 1919) | | w | latest taxonomic authority | |
| Dendrocoelidae Gerstfeldtia Sabussowa, 1911 | | w | latest taxonomic authority | |
| Dendrocoelidae Hyperbulbina Livanov & Porfirjeva, 1962 | | w | latest taxonomic authority | |
| Hyperbulbina bifasciata (Sabussow, 1903) | | w | latest taxonomic authority | |
| Hyperbulbina dybowskyi (Sabussow, 1903) | [with synonyms] | w | latest taxonomic authority | |
| Hyperbulbina graffi Sabussow, 1903 | | w | latest taxonomic authority | |
| Hyperbulbina grubei (Sabussow, 1903) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelidae Hyperpapillina Porfirieva, 1973 | | w | other taxonomic work | |
| Hyperpapillina graffi (Sabussow, 1903) | | w | latest taxonomic authority | |
| Hyperpapillina ocellata (Korotneff, 1912) | | w | latest taxonomic authority | |
| Macrocotyla glandularis Hyman, 1956 | | w | latest taxonomic authority | |
| Dendrocoelidae Miodendrocoelum de Beauchamp, 1929 | | w | latest taxonomic authority | |
| Miodendrocoelum parisi de Beauchamp, 1929 | | w | latest taxonomic authority | |
| Dendrocoelidae Monocotylus Korotneff, 1912 | | w | latest taxonomic authority | |
| Monocotylus cingulatus Korotneff, 1912 | | w | latest taxonomic authority | |
| Monocotylus subniger Korotneff, 1912 | | w | other taxonomic work | |
| Dendrocoelidae Neodendrocoelum Stankovic & Komarek, 1927 | | w | latest taxonomic authority | |
| Neodendrocoelum adenodactylosum (Stankovic & Komarek, 1927) | | w | latest taxonomic authority | |
| Neodendrocoelum album Komarek, 1953 | | w | latest taxonomic authority | |
| Neodendrocoelum cruciferum Stankovic, 1969 | | w | latest taxonomic authority | |
| Neodendrocoelum findeneggi Reisinger, 1971 | | w | latest taxonomic authority | |
| Neodendrocoelum grande Paunovic & Rimsa, 1968 | | w | latest taxonomic authority | |
| Neodendrocoelum jablanicense Stankovic & Komarek, 1927 | | w | latest taxonomic authority | |
| Neodendrocoelum komareki Stankovic, 1969 | | w | latest taxonomic authority | |
| Neodendrocoelum lacustre Stankovic, 1938 | | w | latest taxonomic authority | |
| Neodendrocoelum lychnidicum Stankovic, 1969 | | w | latest taxonomic authority | |
| Neodendrocoelum maculatum Stankovic & Komarek, 1927 | | w | latest taxonomic authority | |
| Neodendrocoelum magnum Stankovic, 1969 | | w | latest taxonomic authority | |
| Neodendrocoelum nausicae (Schmidt, 1861) | | w | latest taxonomic authority | |
| Neodendrocoelum ochridense Stankovic & Komarek, 1927 | | w | latest taxonomic authority | |
| Neodendrocoelum plesiophthalmum (de Beauchamp, 1937) | | w | latest taxonomic authority | |
| Neodendrocoelum prespense Stankovic, 1969 | | w | latest taxonomic authority | |
| Neodendrocoelum sanctinaumi Stankovic & Komarek, 1927 | | w | latest taxonomic authority | |
| Neodendrocoelum suetinaumi Geus, 1967 | | w | latest taxonomic authority | |
| Dendrocoelidae Palaeodendrocoelum Codreanu, 1949 | | w | latest taxonomic authority | |
| Palaeodendrocoelum danubialis Codreanu, 1951 | | w | latest taxonomic authority | |
| Palaeodendrocoelum geticum (Codreanu & Balcesco, 1970) | | w | latest taxonomic authority | |
| Palaeodendrocoelum romanodanubialis Codreanu, 1949 | | w | latest taxonomic authority | |
| Papilloplana grisea (Sabussow, 1903) | [with synonyms] | w | latest taxonomic authority | |
| Papilloplana leucocephala (Sabussow, 1903) | [with synonyms] | w | latest taxonomic authority | |
| Papilloplana papillosa (Korotneff, 1912) | [with synonyms] | w | latest taxonomic authority | |
| Dendrocoelidae Paradendrocoelum Kenk, 1930 | | w | latest taxonomic authority | |
| Paradendrocoelum abditum Kenk, 1940 | | w | latest taxonomic authority | |
| Paradendrocoelum alexandrinae (Codreanu & Balcesco, 1970) | | w | latest taxonomic authority | |
| Paradendrocoelum carpathicum (Komarek, 1926) | | w | latest taxonomic authority | |
| Paradendrocoelum cavatica (Fries, 1874) | | w | latest taxonomic authority | |
| Paradendrocoelum cavatica sollaudi (de Beauchamp, 1931) | | w | latest taxonomic authority | |
| Paradendrocoelum hankoi (Gelei J, 1927) | | w | latest taxonomic authority | |
| Paradendrocoelum hercynicum (Flossner, 1959) | | w | latest taxonomic authority | |
| Paradendrocoelum infernale (Steinmann, 1907) | | w | latest taxonomic authority | |
| Paradendrocoelum longipenis (Komarek, 1916) | | w | latest taxonomic authority | |
| Paradendrocoelum sollaudi (de Beauchamp, 1931) | | w | latest taxonomic authority | |
| Paradendrocoelum spelaeum Kenk, 1924 | | w | latest taxonomic authority | |
| Paradendrocoelum tubuliferum (de Beauchamp, 1919) | | w | latest taxonomic authority | |
| Paradendrocoelum voinovi (Codreanu, 1929) | | w | latest taxonomic authority | |
| Dendrocoelidae Polycladodes Steinmann, 1910 | | w | latest taxonomic authority | |
| Polycladodes affine (Codreanu & Balcesco, 1970) | | w | latest taxonomic authority | |
| Polycladodes alba Steinmann, 1910 | | w | latest taxonomic authority | |
| Polycladodes caecum (Komarek, 1926) | | w | latest taxonomic authority | |
| Polycladodes caspicum (Porfirjeva & Dyganova, 1972) | | w | latest taxonomic authority | |
| Polycladodes cavatica (Fries, 1874) | | w | latest taxonomic authority | |
| Polycladodes decemoculata Komarek, 1919 | | w | latest taxonomic authority | |
| Polycladodes subterranea Hartmann, 1921 | | w | latest taxonomic authority | |
| Polycladodes voinovi Codreanu, 1929 | | w | latest taxonomic authority | |
| Dendrocoelidae Polycotylus Korotneff, 1912 | | w | latest taxonomic authority | |
| Polycotylus profundus Korotneff, 1912 | | w | latest taxonomic authority | |
| Polycotylus validus Korotneff, 1912 | | w | latest taxonomic authority | |
| Dendrocoelidae Procotyla Leidy, 1857 | | w | other taxonomic work | |
| Procotyla armatus Korotneff, 1912 | | w | latest taxonomic authority | |
| Procotyla baicalensis Zabusov, 1903 | | w | latest taxonomic authority | |
| Procotyla fluviatilis Leidy, 1857 | [with synonyms] | w | other taxonomic work | |
| Procotyla leidyi Girard, 1893 | | w | latest taxonomic authority | |
| Procotyla magnus Korotneff, 1912 | | w | other taxonomic work | |
| Procotyla typhlops Kenk, 1935 | | w | other taxonomic work | |
| Dendrocoelidae Protocotylus Korotneff, 1908 | | w | other taxonomic work | |
| Protocotylus flavus Korotneff, 1908 | | w | latest taxonomic authority | |
| Protocotylus fungiformis (Sabussow, 1903) | | w | latest taxonomic authority | |
| Protocotylus magnus (Korotneff, 1912) | [with synonyms] | w | other taxonomic work | |
| Dendrocoelidae Rectocephala Hyman, 1953 | | w | other taxonomic work | |
| Rectocephala baicalensis (Sabussow, 1903) | | w | latest taxonomic authority | |
| Rectocephala exotica Hyman, 1953 | [with synonyms] | w | other taxonomic work | |
| Rectocephala grubiiformis (Zabusova, 1929) | | w | latest taxonomic authority | |
| Rectocephala kamtschatica (Zabusova, 1929) | | w | latest taxonomic authority | |
| Rectocephala schneideri (Komarek, 1930) | | w | latest taxonomic authority | |
| Rimacephalus baikalensis Korotneff, 1910 | | w | latest taxonomic authority | |
| Rimacephalus bistriatus Korotneff, 1901 | | w | latest taxonomic authority | |
| Rimacephalus punctatus Sabussow, 1903 | | w | latest taxonomic authority | |
| Dendrocoelidae Rjabuschinskya Zabusov, 1916 | | w | latest taxonomic authority | |
| Rjabuschinskya schmidti Zabusov, 1916 | | w | latest taxonomic authority | |
| Dendrocoelidae Sorocelopsis Komarek, 1919 | | w | latest taxonomic authority | |
| Sorocelopsis decemoculata Komarek, 1919 | | w | latest taxonomic authority | |
| Sorocelis aculeata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis alba Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis albifrons Korotneff, 1910 | | w | latest taxonomic authority | |
| Sorocelis americana Hyman, 1939 | | w | latest taxonomic authority | |
| Sorocelis angarensis Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis arcellaris Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis argillosa Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis bilineata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis bipartita Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis copulatrix Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis cotyloides Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis eburnea Muth, 1912 | | w | latest taxonomic authority | |
| Sorocelis elongata Sabussowa, 1929 | | w | latest taxonomic authority | |
| Sorocelis eudendrocoeloides Sabussowa, 1929 | | w | latest taxonomic authority | |
| Sorocelis fulva Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis fulvescens Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis fungiformis Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis fusca Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis garjajewi Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis gracilis (1) Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis gracilis (2) Seidl, 1911 | | w | latest taxonomic authority | |
| Sorocelis graffi (1) Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis graffi (2) Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis grisea Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis guttata (Gerstfeldt, 1858) | | w | latest taxonomic authority | |
| Sorocelis hepatizon (Grube, 1872) | | w | latest taxonomic authority | |
| Sorocelis incerta (Korotneff, 1912) | | w | latest taxonomic authority | |
| Sorocelis junca Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis koslowi Zabusov, 1911 | | w | latest taxonomic authority | |
| Sorocelis lactea (2) Seidl, 1911 | | w | latest taxonomic authority | |
| Sorocelis lactea (1) Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis lacteus (3) Korotneff, 1912 | | w | latest taxonomic authority | 5 |
| Sorocelis leucocephala Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis leucocephala bifasciata Sabussow, 1911 | | w | latest taxonomic authority | |
| Sorocelis linearis Sabussow, 1911 | | w | latest taxonomic authority | |
| Sorocelis lineata Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis lobata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis lutea Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis maculosa Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis melanocinerea Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis mongolica Sabussowa, 1911 | | w | latest taxonomic authority | |
| Sorocelis nigrofasciata (Grube, 1872) | [with synonyms] | w | latest taxonomic authority | |
| Sorocelis nigrofasciata boehmigi Sabussow, 1911 | | w | latest taxonomic authority | |
| Sorocelis nigrescens Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis nigromaculata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis obscura Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis ocellata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis oculimarginata Palombi, 1931 | | w | latest taxonomic authority | |
| Sorocelis pardalina (Grube, 1872) | | w | latest taxonomic authority | |
| Sorocelis parvipumctata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis pingata (Korotneff, 1912) | | w | latest taxonomic authority | |
| Sorocelis plana Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis polyophthalma Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis raddei Sabussow, 1911 | | w | latest taxonomic authority | |
| Sorocelis relicta Sabussowa, 1929 | | w | latest taxonomic authority | |
| Sorocelis reticulosa Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis retiformis Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis rosea Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis sapporo Ijima & Kaburaki, 1916 | | w | latest taxonomic authority | |
| Sorocelis stellomaculata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis stringulata Korotneff, 1912 | | w | other taxonomic work | |
| Sorocelis stummeri Seidl, 1911 | | w | latest taxonomic authority | |
| Sorocelis subfulva Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis subnigra Korotneff, 1912 | [with synonyms] | w | latest taxonomic authority | |
| Sorocelis subrufa Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis tenuis Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis tibetica Zabusov, 1911 | | w | other taxonomic work | |
| Sorocelis tigrina (Grube, 1872) | | w | latest taxonomic authority | |
| Sorocelis transversostriata (Korotneff, 1912) | | w | latest taxonomic authority | |
| Sorocelis usitata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis ussowii Sabussow, 1903 | | w | latest taxonomic authority | |
| Sorocelis variegata Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis versicolor Korotneff, 1912 | | w | latest taxonomic authority | |
| Sorocelis zigestes Korotneff, 1912 | | w | latest taxonomic authority | |
| Dendrocoelidae Thysanoplana (2) Graff, 1912-17 | | w | latest taxonomic authority | |
| Thysanoplana (2) grisea (Sabussow, 1903) | | w | latest taxonomic authority | |
| Thysanoplana (2) leucocephala (Sabussow, 1903) | | w | latest taxonomic authority | |
| Thysanoplana (2) papillosa (Korotneff, 1912) | | w | latest taxonomic authority | |
| Kenkiidae Kenkia Hyman, 1937 | [with synonyms] | w | other taxonomic work | |
| Sphalloplana (Polypharyngea) mohri (Hyman, 1938) | | w | other taxonomic work | |
| Sphalloplana (Speophila) pricei Hyman, 1937 | | w | latest taxonomic authority | |
| Planaria fusca (Pallas, 1774) | [with synonyms] | - | latest taxonomic authority | 47 |
| Sphalloplana Sphalloplana de Beauchamp, 1931 | | w | other taxonomic work | |
| Sphalloplana (Sphalloplana) coreana Kawakatsu & Kim, 1967 | | w | latest taxonomic authority | |
| Sphalloplana (Sphalloplana) ductosacculata Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Sphalloplana (Sphalloplana) kansensis Hyman, 1945 | | w | latest taxonomic authority | |
| Sphalloplana reddelli Mitchell, 1968 | | w | latest taxonomic authority | |
| Sphalloplana sloani Mitchell, 1968 | | w | latest taxonomic authority | |
| Sphalloplana zeschi Mitchell, 1968 | | w | latest taxonomic authority | |
| Dugesiidae Bopsula Marcus, 1946 | | w | latest taxonomic authority | |
| Bopsula evelinae Marcus, 1946 | | w | latest taxonomic authority | |
| Cura azteca (Benazzi & Giannini, 1971) | | w | latest taxonomic authority | |
| Cura evelinae Marcus, 1955 | | w | other taxonomic work | |
| Cura falklandica (Westblad, 1952) | | w | latest taxonomic authority | |
| Cura foremanii (Girard, 1852) | [with synonyms] | w | other taxonomic work | |
| Cura jeanneli (Beauchamp, 1913) | | w | other taxonomic work | |
| Cura michaelseni (Bohmig, 1902) | | w | latest taxonomic authority | |
| Cura paeta Marcus, 1955 | | w | latest taxonomic authority | |
| Cura patagonica (Borelli, 1901) | | w | latest taxonomic authority | |
| Cura pinguis (Weiss, 1909) | [with synonyms] | w | latest taxonomic authority | |
| Cura schubarti (Marcus, 1946) | | w | latest taxonomic authority | |
| Cura tinga Marcus, 1955 | | w | latest taxonomic authority | |
| Curtisia ambigua (Bohmig, 1902) | | w | latest taxonomic authority | |
| Curtisia falklandica Westblad, 1952 | | w | latest taxonomic authority | |
| Curtisia foremani (Girard, 1852) | | w | latest taxonomic authority | |
| Curtisia michaelsoni (Bohmig, 1902) | | w | latest taxonomic authority | |
| Curtisia patagonica (Borelli, 1901) | | w | latest taxonomic authority | |
| Curtisia schubarti Marcus, 1946 | | w | latest taxonomic authority | |
| Curtisia seclusa (de Beauchamp, 1940) | | w | latest taxonomic authority | |
| Curtisia simplissima Curtis, 1900 | | w | latest taxonomic authority | |
| Curtisia stagnalis Nurse, 1950 | | w | latest taxonomic authority | |
| Dugesia aborensis (Whitehouse, 1913) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia absoloni (Komarek, 1919) | [with synonyms] | w | other taxonomic work | |
| Dugesia agilis (Stringer, 1909) | | w | latest taxonomic authority | |
| Dugesia alpina (Dana, 1766) | | w | latest taxonomic authority | |
| Dugesia ambigua Bohmig, 1902 | | w | other taxonomic work | |
| Dugesia anceps (Kenk, 1930) | | w | latest taxonomic authority | |
| Dugesia anceps maculata (Borelli, 1895) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia andamanensis (Kaburaki, 1925) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia andina (Borelli, 1895) | | w | latest taxonomic authority | |
| Dugesia annandalei (Kaburaki, 1918) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia antillana Kenk, 1941 | | w | latest taxonomic authority | |
| Dugesia arimana Hyman, 1957 | | w | latest taxonomic authority | |
| Dugesia arndti Marcus, 1946 | | w | latest taxonomic authority | |
| Dugesia astrocheta Marcus, 1953 | | w | other taxonomic work | |
| Dugesia bactriana de Beauchamp, 1959 | | w | latest taxonomic authority | |
| Dugesia barroisi (Whitehouse, 1914) | | w | latest taxonomic authority | |
| Dugesia benazzii Lepori, 1951 | [with synonyms] | w | latest taxonomic authority | |
| Dugesia biblica Benazzi & Banchetti, 1973 | | w | other taxonomic work | |
| Dugesia bilineata (Kaburaki, 1918) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia boehmigi (Weiss, 1910) | | w | latest taxonomic authority | |
| Dugesia borneana Kawakatsu, 1972 | | w | latest taxonomic authority | |
| Dugesia brachycephala (Bohmig, 1897) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia burmaensis (Kaburaki, 1918) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia cameliae (Fuhrmann, 1914) | | w | latest taxonomic authority | |
| Dugesia chichkovi (Hranova, 1929) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia chilla Marcus, 1954 | | w | latest taxonomic authority | |
| Dugesia colapha Dahm, 1967 | | w | latest taxonomic authority | |
| Dugesia congolensis de Beauchamp, 1951 | | w | latest taxonomic authority | |
| Dugesia cretica (Meixner, 1928) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia diabolis Hyman, 1956 | | w | latest taxonomic authority | |
| Dugesia dimorpha (Bohmig, 1902) | | w | latest taxonomic authority | |
| Dugesia dorotocephala (Woodworth, 1897) | [with synonyms] | w | other taxonomic work | |
| Dugesia ectophysa Marcus, 1953 | | w | latest taxonomic authority | |
| Dugesia etrusca Benazzi, 1944 | [with synonyms] | w | latest taxonomic authority | |
| Dugesia etrusca biodenodattila Lepori, 1950 | | w | latest taxonomic authority | |
| Dugesia etrusca biodenodactyla Benazzi, 1965 | | w | latest taxonomic authority | |
| Dugesia etrusca labronica Lepori, 1950 | | w | latest taxonomic authority | |
| Dugesia etrusca monodactyla Lepori, 1950 | | w | latest taxonomic authority | |
| Dugesia evelinae Marcus, 1955 | | w | other taxonomic work | |
| Dugesia falklandica (Westblad, 1952) | | w | latest taxonomic authority | |
| Dugesia fissipara (Kennel, 1888) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia fontinalis (Nurse, 1950) | | w | latest taxonomic authority | |
| Dugesia foremanii Girard, 1852 | | w | latest taxonomic authority | |
| Dugesia glandulosa (Kenk, 1930) | | w | latest taxonomic authority | |
| Dugesia gonocephala bakurianica Porfirieva, 1958 | | w | latest taxonomic authority | |
| Dugesia gonocephala ilvana Lepori, 1948 | | w | latest taxonomic authority | |
| Dugesia gonocephala meridionalis Benazzi, 1961 | | w | latest taxonomic authority | |
| Dugesia gonocephala praecaucasica Porfirieva, 1958 | [with synonyms] | w | latest taxonomic authority | |
| Dugesia gonocephala subtentaculata (Draparnaud, 1801) | | w | latest taxonomic authority | |
| Dugesia gonocephala taurocaucasica (Livanov, 1951) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia gonocephaloides Girard, 1850 | [with synonyms] | w | latest taxonomic authority | |
| Dugesia graffi (Weiss, 1909) | | w | latest taxonomic authority | |
| Dugesia hoernesi (Weiss, 1909) | | w | latest taxonomic authority | |
| Dugesia hymanae (Sivickis, 1928) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia hypoglauca Marcus, 1948 | | w | latest taxonomic authority | |
| Dugesia iheringii (Bohmig, 1887) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia ilvana Lepori, 1948 | [with synonyms] | w | latest taxonomic authority | |
| Dugesia indica Kawakatsu, 1969 | | w | latest taxonomic authority | |
| Dugesia indonesiana Kawakatsu, 1973 | | w | latest taxonomic authority | |
| Dugesia iranica Livanov, 1951 | | w | latest taxonomic authority | |
| Dugesia izuensis Kato, 1943 | | w | latest taxonomic authority | |
| Dugesia jeanneli (de Beauchamp, 1913) | | w | other taxonomic work | |
| Dugesia jimi Martins, 1970 | | w | latest taxonomic authority | |
| Dugesia lamottei de Beauchamp, 1952 | | w | latest taxonomic authority | |
| Dugesia lanzai Banchetti & del Papa, 1972 | | w | other taxonomic work | |
| Dugesia lata (Sivickis, 1923) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia laurentiana (Borelli, 1897) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia lindbergi de Beauchamp, 1959 | | w | latest taxonomic authority | |
| Dugesia longistriata (Fuhrmann, 1914) | | w | latest taxonomic authority | |
| Dugesia lugubris (Schmidt, 1861) | | w | latest taxonomic authority | |
| Dugesia machadoi de Beauchamp, 1952 | | w | latest taxonomic authority | |
| Dugesia mackenziei Mitchell & Kawakatsu, 1973 | | w | latest taxonomic authority | |
| Dugesia maculata (Leidy, 1847) | | w | latest taxonomic authority | |
| Dugesia michaelsoni (Bohmig, 1902) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia microbursalis (Hyman, 1931) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia milloti Beauchamp, 1952 | | w | other taxonomic work | |
| Dugesia modesta Girard, 1893 | | w | latest taxonomic authority | |
| Dugesia monomyoda Marcus, 1953 | | w | other taxonomic work | |
| Dugesia montana Nurse, 1950 | | w | latest taxonomic authority | |
| Dugesia montana albolineata Nurse, 1950 | | w | latest taxonomic authority | |
| Dugesia montana montana Nurse, 1950 | | w | latest taxonomic authority | |
| Dugesia nannophallus Ball, 1970 | | w | latest taxonomic authority | |
| Dugesia neumanni (Neppi, 1904) | [with synonyms] | w | other taxonomic work | |
| Dugesia nonatoi Marcus, 1946 | | w | latest taxonomic authority | |
| Dugesia paeta (Marcus, 1955) | | w | latest taxonomic authority | |
| Dugesia paramensis (Fuhrmann, 1914) | | w | latest taxonomic authority | |
| Dugesia patagonica (Borelli, 1901) | | w | latest taxonomic authority | |
| Dugesia pinguis (Weiss, 1910) | | w | latest taxonomic authority | |
| Dugesia polychroa (Schmidt, 1861) | | w | latest taxonomic authority | |
| Dugesia polyorchis (Fuhrmann, 1914) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia praecaucasica Porfirieva, 1958 | | w | latest taxonomic authority | |
| Dugesia rava (Weiss, 1909) | [with synonyms] | w | other taxonomic work | |
| Dugesia rincona Marcus, 1954 | [with synonyms] | w | latest taxonomic authority | |
| Dugesia salina (Whitehouse, 1914) | [with synonyms] | w | other taxonomic work | |
| Dugesia sanchezi Hyman, 1959 | | w | latest taxonomic authority | |
| Dugesia schauinslandi (Neppi, 1904) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia schubarti (Marcus, 1946) | | w | other taxonomic work | |
| Dugesia seclusa (de Beauchamp, 1940) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia sicula Lepori, 1948 | | w | other taxonomic work | |
| Dugesia similis (Bohmig, 1902) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia subtentaculata (Draparnaud, 1801) | [with synonyms] | w | other taxonomic work | |
| Dugesia sudanica Dahm, 1971 | | w | latest taxonomic authority | |
| Dugesia tanganyikae (Laidlaw, 1906) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia taurocaucasica (Livanov, 1951) | | w | latest taxonomic authority | |
| Dugesia tiberiensis (Whitehouse, 1914) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia tigrina (Girard, 1850) | | w | other taxonomic work | |
| Dugesia tinga (Marcus, 1955) | | w | latest taxonomic authority | |
| Dugesia titicacana Hyman, 1939 | | w | latest taxonomic authority | |
| Dugesia torva (Müller, 1773) | | w | latest taxonomic authority | |
| Dugesia transcaucasica (Livanov, 1951) | | w | latest taxonomic authority | |
| Dugesia veneranda Martins, 1970 | | w | latest taxonomic authority | |
| Dugesia venusta (Bohmig, 1897) | [with synonyms] | w | latest taxonomic authority | |
| Dugesia wimbimba Marcus, 1970 | | w | latest taxonomic authority | |
| Dugesia wytegrensis (Sabussow, 1907) | | w | latest taxonomic authority | |
| Dugesiidae Euplanaria Hesse, 1897 | | w | latest taxonomic authority | |
| Euplanaria absoloni (Komarek, 1919) | | w | latest taxonomic authority | |
| Euplanaria agilis (Stringer, 1909) | | w | latest taxonomic authority | |
| Euplanaria anceps Kenk, 1930 | | w | latest taxonomic authority | |
| Euplanaria andamanensis (Kaburaki, 1925) | | w | latest taxonomic authority | |
| Euplanaria andina (Borelli, 1895) | | w | latest taxonomic authority | |
| Euplanaria aurita (Kennel, 1888) | | w | latest taxonomic authority | |
| Euplanaria bohmigi (Weiss, 1910) | | w | latest taxonomic authority | |
| Euplanaria burmaensis (Kaburaki, 1918) | | w | latest taxonomic authority | |
| Euplanaria cameliae (Fuhrmann, 1914) | | w | latest taxonomic authority | |
| Euplanaria cretica Meixner, 1928 | | w | latest taxonomic authority | |
| Euplanaria dimorpha (Bohmig, 1902) | | w | latest taxonomic authority | |
| Euplanaria dorotocephala (Woodworth, 1897) | | w | latest taxonomic authority | |
| Euplanaria etrusca (Benazzi, 1944) | | w | latest taxonomic authority | |
| Euplanaria festae (Borelli, 1898) | | w | latest taxonomic authority | |
| Euplanaria glandulosa Kenk, 1930 | | w | latest taxonomic authority | |
| Euplanaria gonocephala (Duges, 1830) | | w | latest taxonomic authority | |
| Euplanaria gonocephala cretica Meixner, 1928 | | w | latest taxonomic authority | 23 |
| Euplanaria gracilis (Haldeman, 1840) | | w | latest taxonomic authority | |
| Euplanaria graffi (Weiss, 1909) | | w | latest taxonomic authority | |
| Euplanaria hoernesi (Weiss, 1909) | | w | latest taxonomic authority | |
| Euplanaria iheringi (Bohmig, 1887) | | w | latest taxonomic authority | |
| Euplanaria jeanneli (Beauchamp, 1913) | | w | other taxonomic work | |
| Euplanaria lata (Sivickis, 1923) | | w | latest taxonomic authority | |
| Euplanaria longistriata (Fuhrmann, 1914) | | w | latest taxonomic authority | |
| Euplanaria lugubris (Schmidt, 1861) | | w | latest taxonomic authority | |
| Euplanaria maculata (Leidy, 1847) | | w | latest taxonomic authority | |
| Euplanaria mertoni (Steinmann, 1914) | | w | latest taxonomic authority | |
| Euplanaria microbursalis Hyman, 1931 | | w | latest taxonomic authority | |
| Euplanaria neumanni (Neppi, 1904) | | w | latest taxonomic authority | |
| Euplanaria novangliae Hyman, 1931 | | w | latest taxonomic authority | |
| Euplanaria paramensis (Fuhrmann, 1914) | | w | latest taxonomic authority | |
| Euplanaria philadelphica Hyman, 1931 | | w | latest taxonomic authority | |
| Euplanaria polychroa (Schmidt, 1861) | | w | latest taxonomic authority | |
| Euplanaria porva (Müller, 1773) | | w | latest taxonomic authority | |
| Euplanaria schauinslandi (Neppi, 1904) | | w | latest taxonomic authority | |
| Euplanaria seclusa de Beauchamp, 1940 | | w | latest taxonomic authority | |
| Euplanaria subtentaculata (Draparnaud, 1801) | | w | latest taxonomic authority | |
| Euplanaria taurocaucasica Livanov, 1951 | | w | latest taxonomic authority | |
| Euplanaria tigrina (Girard, 1850) | | w | latest taxonomic authority | |
| Euplanaria tigrina novangliae Hyman, 1931 | | w | latest taxonomic authority | |
| Euplanaria torva (Müller, 1773) | | w | latest taxonomic authority | |
| Euplanaria transcaucasica Livanov, 1951 | | w | latest taxonomic authority | |
| Euplanaria wytegrensis (Sabussow, 1907) | | w | latest taxonomic authority | |
| Dugesiidae Geopaludicola Komarek, 1919 | | w | latest taxonomic authority | |
| Girardia aurita (Kennel, 1888) | [with synonyms] | w | other taxonomic work | |
| Girardia azteca (Benazzi & Giannini, 1971) | [with synonyms] | w | other taxonomic work | |
| Girardia barbarae (Mitchell & Kawakatsu, 1973) | [with synonyms] | w | latest taxonomic authority | |
| Girardia festai albolineata (Borelli, 1898) | | w | latest taxonomic authority | |
| Girardia guatemalensis (Mitchell & Kawakatsu, 1973) | [with synonyms] | w | other taxonomic work | |
| Girardia mckenziei (Mitchell & Kawakatsu, 1973) | [with synonyms] | w | other taxonomic work | |
| Girardia typhlomexicana (Mitchell & Kawakatsu, 1973) | [with synonyms] | w | other taxonomic work | |
| Planariidae Albiplanaria Komarek, 1926 | | w | latest taxonomic authority | |
| Albiplanaria coarctica Arndt, 1920 | | w | latest taxonomic authority | |
| Albiplanaria macedonica (Stankovic, 1926) | | w | latest taxonomic authority | |
| Albiplanaria maculata Stankovic & Komarek, 1938 | | w | latest taxonomic authority | |
| Planariidae Albioplanaria Kawakatsu, 1966 | | w | latest taxonomic authority | |
| Planariidae Atioplanaria Kenk, 1936 | | w | latest taxonomic authority | |
| Planariidae Atrioplanaria de Beauchamp, 1932 | [with synonyms] | w | latest taxonomic authority | |
| Atrioplanaria delamarei Gourbault, 1969 | | w | latest taxonomic authority | |
| Atrioplanaria notadena de Beauchamp, 1937 | | w | latest taxonomic authority | |
| Atrioplanaria opisthogona (Kenk, 1936) | | w | latest taxonomic authority | |
| Atrioplanaria prosorchis (Kenk, 1937) | | w | latest taxonomic authority | |
| Atrioplanaria racovitzai (Beauchamp, 1928) | | w | latest taxonomic authority | |
| Planariidae Crenobia Kenk, 1930 | | w | latest taxonomic authority | |
| Crenobia abscissa (Ijima, 1887) | | w | latest taxonomic authority | |
| Crenobia alpina (Dana, 1766) | [with synonyms] | w | latest taxonomic authority | |
| Crenobia alpina alba (Oye, 1935) | [with synonyms] | w | latest taxonomic authority | |
| Crenobia alpina meridionalis (Thienemann, 1938) | | w | latest taxonomic authority | |
| Crenobia alpina montenigrina (Mrazek, 1904) | | w | latest taxonomic authority | |
| Crenobia alpina septentrionalis (Thienemann, 1938) | | w | latest taxonomic authority | |
| Crenobia alpina teratophila (Steinmann, 1908) | [with synonyms] | w | latest taxonomic authority | |
| Crenobia anophthalma (Mrazek, 1907) | [with synonyms] | w | latest taxonomic authority | |
| Crenobia infernalis (Steinmann, 1907) | | w | latest taxonomic authority | |
| Crenobia montenigrina (Mrazek, 1904) | [with synonyms] | w | latest taxonomic authority | |
| Crenobia teratophila (Steinmann, 1908) | | w | latest taxonomic authority | |
| Fonticola albissima (Vejdovsky, 1883) | | w | latest taxonomic authority | |
| Fonticola albissima catalaunica de Beauchamp, 1932 | | w | latest taxonomic authority | |
| Fonticola albissima dalmatica (Stankovic & Komarek, 1927) | | w | latest taxonomic authority | |
| Fonticola albissima illyrica (Komarek, 1919) | | w | latest taxonomic authority | |
| Fonticola albissima macedonica (Stankovic, 1926) | | w | latest taxonomic authority | |
| Fonticola altaica Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Fonticola armeniaca (Komarek, 1916) | | w | latest taxonomic authority | |
| Fonticola bosniaca (Stankovic, 1926) | | w | latest taxonomic authority | |
| Fonticola bursaperforata (Darlington, 1959) | | w | latest taxonomic authority | |
| Fonticola cavernicola (Hyman, 1954) | | w | latest taxonomic authority | |
| Fonticola dalmatica Stankovic & Komarek, 1927 | | w | latest taxonomic authority | |
| Fonticola gracilis (Haldeman, 1840) | | w | latest taxonomic authority | |
| Fonticola gracilis gracilis (Haldeman, 1840) | | w | latest taxonomic authority | |
| Fonticola gracilis monopharyngea (Hyman, 1945) | | w | latest taxonomic authority | |
| Fonticola gracilis woodworthi (Hyman, 1937) | | w | latest taxonomic authority | |
| Fonticola illyrica (Komarek, 1919) | | w | latest taxonomic authority | |
| Fonticola leptophallus Reisinger, 1963 | | w | latest taxonomic authority | |
| Fonticola macedonica (Stankovic, 1926) | | w | latest taxonomic authority | |
| Fonticola maculata Stankovic, 1938 | | w | latest taxonomic authority | |
| Fonticola morgani (Stevens & Boring, 1906) | | w | latest taxonomic authority | |
| Fonticola morgani morgani (Stevens & Boring, 1906) | | w | latest taxonomic authority | |
| Fonticola morgani polycelis Kenk, 1935 | | w | latest taxonomic authority | |
| Fonticola nivea (Kenk, 1953) | | w | latest taxonomic authority | |
| Fonticola nivea nivea Kenk, 1953 | | w | latest taxonomic authority | |
| Fonticola nivea tahoena (Kawakatsu, 1968) | | w | latest taxonomic authority | |
| Fonticola notadena (de Beauchamp, 1937) | | w | latest taxonomic authority | |
| Fonticola ochridana Stankovic &Komarek, 1927 | | w | latest taxonomic authority | 42 |
| Fonticola olivacea (Schmidt, 1861) | | w | latest taxonomic authority | |
| Fonticola opisthogona Kenk, 1936 | | w | latest taxonomic authority | |
| Fonticola oregonensis (Hyman, 1963) | | w | latest taxonomic authority | |
| Fonticola paravitta (Reisinger, 1923) | | w | latest taxonomic authority | |
| Fonticola paravittoides Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Fonticola pellucida (Ijima & Kaburaki, 1916) | | w | latest taxonomic authority | |
| Fonticola percaeca (Packard, 1879) | | w | other taxonomic work | |
| Fonticola prosorchis Kenk, 1937 | | w | latest taxonomic authority | |
| Fonticola racovitzai (de Beauchamp, 1928) | | w | latest taxonomic authority | |
| Fonticola sibirica (Sabussow, 1903) | | w | latest taxonomic authority | |
| Fonticola stankovici Reisinger, 1960 | | w | latest taxonomic authority | 43 |
| Fonticola subterranea (Hyman, 1937) | | w | latest taxonomic authority | |
| Fonticola truncata (Leidy, 1852) | | w | latest taxonomic authority | |
| Fonticola undulata Stankovic, 1960 | | w | latest taxonomic authority | |
| Fonticola velata (Stringer, 1909) | | w | latest taxonomic authority | |
| Fonticola vernalis (Kenk, 1944) | | w | latest taxonomic authority | |
| Fonticola vitta (Duges, 1830) | | w | latest taxonomic authority | |
| Fonticola vivida (Ijima & Kaburaki, 1916) | | w | latest taxonomic authority | |
| Planariidae Fondicola Buchanan, 1936 | | w | latest taxonomic authority | |
| Planariidae Galeocephala Stimpson, 1857 | | w | latest taxonomic authority | |
| Galeocephala superba (Girard, 1850) | | w | latest taxonomic authority | |
| Galeocephala tentaculata (Müller, 1773) | | w | latest taxonomic authority | |
| Planariidae Hymanella Castle, 1941 | | w | other taxonomic work | |
| Planariidae Penecurva Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Penecurva albata Ichikawa & Kawakatsu, 1962 | | w | latest taxonomic authority | |
| Penecurva fontinalis (Sabussow, 1903) | | w | latest taxonomic authority | |
| Penecurva iwamai (Ichikawa & Kawakatsu, 1962) | | w | latest taxonomic authority | |
| Penecurva mesorchis Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Penecurva mesorchis praeputis Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Penecurva sibirica (Sabussow, 1903) | | w | latest taxonomic authority | |
| Penecurva teletzkiana Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Penecurva teletzkiana longopharyngea Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Penecurva vivida (Ijima & Kaburaki, 1916) | | w | latest taxonomic authority | |
| Phagocata albata (Ichikawa & Kawakatsu, 1962) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata albissima (Vejdovsky, 1883) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata altaica (Livanov & Zabusova, 1940) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata arethusa (Dalyell, 1814) | | w | latest taxonomic authority | |
| Phagocata armeniaca (Komarek, 1916) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata bosniaca (Stankovic, 1926) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata bursaperforata Darlington, 1959 | [with synonyms] | w | other taxonomic work | |
| Phagocata cavernicola Hyman, 1954 | | w | latest taxonomic authority | |
| Phagocata coarctica (Arndt, 1920) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata cornuta Chichoff, 1903 | | w | latest taxonomic authority | |
| Phagocata coronata Girard, 1891 | | w | latest taxonomic authority | |
| Phagocata crenophila Carpenter, 1969 | | w | other taxonomic work | |
| Phagocata gracilis Leidy, 1847 | | w | latest taxonomic authority | |
| Phagocata gracilis (Haldeman, 1840) | [with synonyms] | w | other taxonomic work | |
| Phagocata gracilis gracilis (Haldeman, 1840) | | w | latest taxonomic authority | |
| Phagocata illyrica (Komarek, 1919) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata iwamai Ichikawa & Kawakatsu, 1962 | [with synonyms] | w | latest taxonomic authority | |
| Phagocata leptophallus (Reisinger, 1963) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata macedonica (Stankovic, 1926) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata maculata (Stankovic, 1938) | [with synonyms] | w | latest taxonomic authority | 42 |
| Phagocata mesorchis preputialis (Livanov & Zabusova, 1940) | | w | latest taxonomic authority | |
| Phagocata miyadii Okugawa, 1939 | | w | latest taxonomic authority | |
| Phagocata monopharyngea Hyman, 1945 | [with synonyms] | w | latest taxonomic authority | |
| Phagocata morgani (Stevens & Boring, 1906) | [with synonyms] | w | other taxonomic work | |
| Phagocata morgani morgani Stevens & Boring, 1906 | [with synonyms] | w | latest taxonomic authority | |
| Phagocata morgani polycelis (Kenk, 1935) | [with synonyms] | w | other taxonomic work | |
| Phagocata nivea Kenk, 1953 | [with synonyms] | w | other taxonomic work | |
| Phagocata nivea nivea Kenk, 1953 | | w | latest taxonomic authority | |
| Phagocata nivea tahoena Kawakatsu, 1968 | | w | latest taxonomic authority | |
| Phagocata notadena (de Beauchamp, 1937) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata ochridana (Stankovic & Komarek 1927) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata olivacea (Schmidt, 1861) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata opisthogona (Kenk, 1936) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata oregonensis Hyman, 1963 | [with synonyms] | w | other taxonomic work | |
| Phagocata paravitta (Reisinger, 1923) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata paravittoides (Livanov & Zabusova, 1940) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata pellucida (Ijima & Kaburaki, 1916) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata prosorchis (Kenk, 1937) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata stankovici (Reisinger, 1960) | [with synonyms] | w | latest taxonomic authority | 43 |
| Phagocata subterranea Hyman, 1937 | | w | latest taxonomic authority | |
| Phagocata tahoena Kawakatsu, 1968 | [with synonyms] | w | other taxonomic work | |
| Phagocata teletzkiana (Livanov & Zabusova, 1940) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata teletzkiana longopharyngea (Livanov & Zabusova, 1940) | | w | latest taxonomic authority | |
| Phagocata tenella Ichikawa & Kawakatsu, 1963 | | w | latest taxonomic authority | |
| Phagocata teshirogi Ichikawa & Kawakatsu, 1962 | | w | latest taxonomic authority | |
| Phagocata tigrina (Girard, 1850) | | w | latest taxonomic authority | |
| Phagocata uenoi Okugawa, 1939 | | w | latest taxonomic authority | |
| Phagocata undulata (Stankovic, 1960) | [with synonyms] | w | latest taxonomic authority | 43 |
| Phagocata velata (Stringer, 1909) | [with synonyms] | w | other taxonomic work | |
| Phagocata vitta (Duges, 1830) | [with synonyms] | w | latest taxonomic authority | |
| Phagocata woodworthi Hyman, 1937 | [with synonyms] | w | other taxonomic work | |
| Planaria caeca Duges, 1830 | | w | latest taxonomic authority | |
| Planaria cruciatus Fabricius, 1826 | | w | latest taxonomic authority | |
| Planaria fontana Schrank, 1803 | [with synonyms] | w | latest taxonomic authority | |
| Planaria fuliginosus Leidy, 1852 | | w | other taxonomic work | |
| Planaria gesserensis Müller, 1784 | | w | latest taxonomic authority | |
| Planaria limacina Fabricius, 1826 | | w | latest taxonomic authority | |
| Planaria rutilans Abildgaard, 1789 | | w | latest taxonomic authority | |
| Planaria torva (Müller, 1773) | [with synonyms] | w | latest taxonomic authority | |
| Planaria variegata Dalyell, 1853 | | w | latest taxonomic authority | |
| Planariidae Plagnolia Beauchamp & Gourbault, 1964 | | w | latest taxonomic authority | |
| Plagnolia vandeli Beauchamp & Gourbault, 1964 | | w | latest taxonomic authority | |
| Planariidae Polycelis Ehrenberg, 1831 | [with synonyms] | w | latest taxonomic authority | |
| Planariidae Ijimia Bergendal, 1890 | | w | other taxonomic work | |
| Ijimia cornuta (Johnston, 1822) | | w | latest taxonomic authority | |
| Ijimia felina (Dalyell, 1814) | | w | latest taxonomic authority | |
| Ijimia linkoi (Sabussov, 1901) | | w | latest taxonomic authority | |
| Ijimia oculimarginata (Palombi, 1931) | | w | latest taxonomic authority | |
| Ijimia tenuis Ijima, 1884 | | w | latest taxonomic authority | |
| Ijimia tenuis altaica Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Ijimia tothi (Mehely, 1927) | | w | latest taxonomic authority | |
| Planariidae Polycelidia Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Polycelidia eburnea Zabusova, 1970 | | w | latest taxonomic authority | |
| Polycelidia koslowi Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Polycelidia koslowi eburnea (Muth, 1912) | | w | latest taxonomic authority | |
| Polycelidia koslowi koslowi (Zabusov, 1911) | | w | latest taxonomic authority | |
| Polycelidia koslowi tibetica (Zabusov, 1911) | | w | latest taxonomic authority | |
| Polycelidia receptaculosa Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Polycelidia tibetica (Hyman, 1934) | | w | latest taxonomic authority | |
| Polycelis (Polycelis) coronata (Girard, 1891) | [with synonyms] | w | other taxonomic work | |
| Polycelis (Polycelis) coronata borealis Kenk, 1953 | | w | latest taxonomic authority | |
| Polycelis (Polycelis) coronata brevipenis Kenk, 1972 | [with synonyms] | w | other taxonomic work | |
| Polycelis Rjabuschinskya Zabusov, 1916 | | w | latest taxonomic authority | |
| Polycelis (Rjabuschinskya) schmidti Zabusov, 1916 | | w | latest taxonomic authority | |
| Polycelis Sorocelides Zabusova, 1929 | | w | latest taxonomic authority | |
| Polycelis (Sorocelides) elongata Zabusova, 1936 | | w | latest taxonomic authority | |
| Polycelis (Sorocelides) eudendrocoeloides Zabusova, 1936 | | w | latest taxonomic authority | |
| Polycelis alma-atina Zabusova, 1947 | | w | latest taxonomic authority | |
| Polycelis aurantiacus Panceri, 1875 | | w | latest taxonomic authority | |
| Polycelis benazzii de Beauchamp, 1955 | | w | latest taxonomic authority | |
| Polycelis bilinearis Diesing, 1850 | | w | latest taxonomic authority | |
| Polycelis borellii Vandel, 1921 | | w | latest taxonomic authority | |
| Polycelis brunnea (Müller, 1773) | [with synonyms] | w | latest taxonomic authority | |
| Polycelis catulus Girard, 1893 | | w | latest taxonomic authority | |
| Polycelis cormita Hunt, 1948 | | w | latest taxonomic authority | |
| Polycelis cornuta Johnston, 1822 | | w | latest taxonomic authority | |
| Polycelis cornuta borellii Vandel, 1921 | | w | latest taxonomic authority | |
| Polycelis cornuta brunnea Borelli, 1893 | | w | latest taxonomic authority | |
| Polycelis cornuta fissipara Thienemann, 1949 | | w | latest taxonomic authority | |
| Polycelis cornuta viganensis Duges, 1830 | | w | latest taxonomic authority | |
| Polycelis eburnea (Muth, 1912) | [with synonyms] | w | latest taxonomic authority | |
| Polycelis elegans Diesing, 1850 | | w | latest taxonomic authority | |
| Polycelis eudendrocoeloides Sabussow, 1929 | | w | latest taxonomic authority | |
| Polycelis eurantron Zabusova, 1936 | | w | latest taxonomic authority | |
| Polycelis felina (Dalyell, 1814) | [with synonyms] | w | latest taxonomic authority | |
| Polycelis felina borellii Vandel, 1921 | [with synonyms] | w | latest taxonomic authority | |
| Polycelis felina brunnea (Borelli, 1893) | [with synonyms] | w | latest taxonomic authority | |
| Polycelis felina viganensis (Duges, 1830) | [with synonyms] | w | latest taxonomic authority | |
| Polycelis gracilis (Seidl, 1911) | | w | latest taxonomic authority | |
| Polycelis hepta Hansen-Melander, Melander & Reynoldsen, 1954 | | w | latest taxonomic authority | |
| Polycelis ijimai Kaburaki, 1917 | | w | latest taxonomic authority | |
| Polycelis karafto Ijima & Kaburaki, 1916 | | w | latest taxonomic authority | |
| Polycelis (Polycelis) koslowi eburnea (Muth, 1912) | | w | latest taxonomic authority | |
| Polycelis (Polycelis) koslowi koslowi (Sabussowa, 1911) | | w | latest taxonomic authority | |
| Polycelis lactea (Seidl, 1911) | | w | latest taxonomic authority | |
| Polycelis linkoi Sabussov, 1901 | | w | latest taxonomic authority | |
| Polycelis nigra (Müller, 1774) | [with synonyms] | w | latest taxonomic authority | |
| Polycelis nigra brunnea Müller, 1774 | | w | latest taxonomic authority | |
| Polycelis nigra ehrenbergi Berninger, 1911 | | w | latest taxonomic authority | |
| Polycelis nigra panniculata Perkins, 1928 | | w | latest taxonomic authority | |
| Polycelis nigra viganensis Diesing, 1850 | | w | latest taxonomic authority | |
| Polycelis nigro-fusca Diesing, 1850 | | w | latest taxonomic authority | |
| Polycelis oculimarginata (Palombi, 1931) | | w | latest taxonomic authority | |
| Polycelis pallidus Quatrefage, 1845 | | w | latest taxonomic authority | |
| Polycelis pallida Diesing, 1850 | | w | latest taxonomic authority | |
| Polycelis panniculatus Girard, 1893 | | w | latest taxonomic authority | |
| Polycelis polychroa Girard, 1893 | | w | latest taxonomic authority | |
| Polycelis polyopis Zabusova, 1936 | | w | latest taxonomic authority | |
| Polycelis pulla Diesing, 1850 | | w | latest taxonomic authority | |
| Polycelis receptaculosa (Livanov & Zabusova, 1940) | [with synonyms] | w | latest taxonomic authority | |
| Polycelis relicta (Sabussowa, 1929) | | w | latest taxonomic authority | |
| Polycelis sabussowi almaatina (Zabusova, 1947) | | w | latest taxonomic authority | |
| Polycelis schulmanii Grimm, 1876 | | w | latest taxonomic authority | |
| Polycelis sierrensis Kenk, 1973 | | w | latest taxonomic authority | |
| Polycelis stummeri (Seidl, 1911) | [with synonyms] | w | latest taxonomic authority | |
| Polycelis tasmanica Darwin, 1844 | | w | latest taxonomic authority | |
| Polycelis tenuis Ijima, 1884 | [with synonyms] | w | latest taxonomic authority | |
| Polycelis tenuis altaica Livanov & Zabusova, 1940 | | w | latest taxonomic authority | |
| Polycelis tothi Mehely, 1927 | | w | latest taxonomic authority | |
| Polycelis vaginuloides Diesing, 1850 | | w | latest taxonomic authority | |
| Polycelis variabilis Girard, 1850 | | w | latest taxonomic authority | |
| Planariidae Seidlia Zabusov, 1911 | [with synonyms] | w | other taxonomic work | |
| Seidlia almaatina Zabusova, 1947 | [with synonyms] | w | latest taxonomic authority | |
| Seidlia eurantron Zabusova, 1936 | | w | latest taxonomic authority | |
| Seidlia gracilis Zabusova, 1936 | | w | latest taxonomic authority | |
| Seidlia lactea Zabusova, 1936 | | w | latest taxonomic authority | |
| Seidlia relicta Zabusova, 1936 | | w | latest taxonomic authority | |
| Seidlia sabussowi almaatina Porfirieva, 1960 | | w | latest taxonomic authority | |
| Seidlia sierrensis (Kenk, 1973) | | w | other taxonomic work | |
| Seidlia stummeri Zabusova, 1936 | | w | latest taxonomic authority | |
| Diversibipalium lunatum (Gray, 1831) | [with synonyms] | w | other taxonomic work | |
| Dugesia barbarae Mitchell & Kawakatsu, 1973 | | w | latest taxonomic authority | |
| Dugesia guatemalensis Mitchell & Kawakatsu, 1973 | | w | other taxonomic work | |
| Dugesia typhlomexicana Mitchell & Kawakatsu, 1973 | | w | other taxonomic work | |
| incertae sedis Fasciola Linné, 1758 | | w | latest taxonomic authority | |
| Fasciola alpina (Dana, 1766) | | w | latest taxonomic authority | |
| Fasciola angulata Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola brunnea Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola candida Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola capitata Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola caudata Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola ciliata Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola crenata Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola flaccida Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola fusca Pallas, 1774 | | w | latest taxonomic authority | |
| Fasciola glauca Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola gulo Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola hepatica (part) Linné, 1758 | | - | latest taxonomic authority | |
| Fasciola lactea Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola lagena Gmelin, 1791 | | w | latest taxonomic authority | |
| Fasciola minima Schrank, 1776 | | w | latest taxonomic authority | |
| Fasciola nigra Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola punctata Pallas, 1774 | | w | latest taxonomic authority | |
| Fasciola punctata Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola quandrangularis Pallas, 1774 | | w | latest taxonomic authority | |
| Fasciola rosea Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola rubra Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola stagnalis Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola strigata Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola tentaculata Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola torva Müller, 1773 | | w | latest taxonomic authority | |
| Fasciola ventricosa Pallas, 1774 | | w | latest taxonomic authority | |
| Fasciola viridis Müller, 1773 | | w | latest taxonomic authority | |
| incertae sedis Tetracotylus Korotneff, 1912 | | w | latest taxonomic authority | |
| Tetracotylus tenax Korotneff, 1912 | | w | latest taxonomic authority | |
| Dendrocoelidae Alaoplana Kenk, 1974 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Armilla livanovi Kenk, 1974 | | w | primary taxonomic authority (describer) | |
| Dendrocoelidae Papilloplana Kenk, 1974 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Dendrocoelidae Paraeodendrocoelum Kenk, 1974 | | w | primary taxonomic authority (describer) | |
| Planaria fusca Kelaart, 1858 | | w | other taxonomic work | 47 |
| Dugesia etrusca etrusca Kenk, 1974 | | w | primary taxonomic authority (describer) | |
| Dendrocoelum maculatum (Stankovic & Komarek, 1927) | [with synonyms] | w | other taxonomic work | 18 |
| Dendrocoelum komareki (Stankovic, 1969) | [with synonyms] | w | other taxonomic work | 17 |
| Dendrocoelum lychnidicum (Stankovic, 1969) | [with synonyms] | w | other taxonomic work | 18 |
| Dendrocoelum ochridense (Stankovic & Komarek, 1927) | [with synonyms] | w | other taxonomic work | 18 |
| Dendrocoelum cruciferum (Stankovic, 1969) | [with synonyms] | w | other taxonomic work | 16 |
| Neppia evelinae Marcus, 1955 | [with synonyms] | w | other taxonomic work | |
| Neppia jeanneli (De Beauchamp, 1913) | [with synonyms] | w | other taxonomic work | |
| Planaria jeanneli Beauchamp, 1913 | | w | other taxonomic work | |
| Euplanaria jeanneli (Beauchamp, 1913) | | w | other taxonomic work | |
| Neppia wimbimba (Marcus, 1970) | [with synonyms] | w | other taxonomic work | |
| Planaria brachycephala Bohmig, 1897 | | w | latest taxonomic authority | |
| Planaria tanganyika Laidlaw, 1906 | | w | other taxonomic work | |
| Planaria venusta Bohmig, 1897 | | w | other taxonomic work | |
| Girardia festai (Borelli, 1898) | [with synonyms] | w | other taxonomic work | |
| Papilloplana zebra Grube, 1872 | | w | latest taxonomic authority | |
| Planariidae Phagocata Leidy, 1847 | [with synonyms] | w | other taxonomic work | |
| Polycelis tibetica Hyman, 1934 | [with synonyms] | w | other taxonomic work | |
| Polycelidia tibetica (Zabusov, 1911) | | w | latest taxonomic authority | 57 |
| Planaria gibba Fabricius, 1826 | [with synonyms] | w | latest taxonomic authority | 48 |
| Polycelis tibetica (Zabusov, 1911) | [with synonyms] | w | other taxonomic work | 57 |
| Catenula gesserensis (Müller, 1774) | [with synonyms] | w | latest taxonomic authority | 48 |
| Dugesia aurita (Kennel, 1888) | [with synonyms] | w | other taxonomic work | 22 |