| Planaria lingua Abildgaard, 1789 | 1844 or earlier | | | near city |
| Planaria viridata Abildgaard, 1789 | 1844 or earlier | | | near city |
| Planaria truncata (Leidy, 1852) | 1844 or earlier | | | near city |
| Castrada (Castrada) hofmanni Braun, 1885 | 1926 or earlier | | | |
| Castrada (Castrada) intermedia (Volz, 1898) | 1926 or earlier | | | |
| Castrada (Castrada) armata (Fuhrmann, 1894) | 1926 or earlier | | | |
| Castrada (Castrada) neocomensis Volz, 1898 | 1926 or earlier | | | |
| Mesostoma productum (Schmidt, 1848) | 1926 or earlier | | | |
| Mesostoma lingua (Abildgaard, 1789) | 1926 or earlier | | | |
| Mesostoma ehrenbergii (Focke, 1836) | 1926 or earlier | | | |
| Mesostoma craci Schmidt, 1858 | 1926 or earlier | | | |
| Bothromesostoma personatum (Schmidt, 1848) | 1926 or earlier | | | |
| Bothromesostoma essenii Braun, 1885 | 1926 or earlier | | | |
| Plagiostomum lemani Forel & Du Plessis, 1874 | 1926 or earlier | | | |
| Dalyellia sergia Beklemischev, 1919 | 1919 or earlier | | | |
| Phaenocora cucurbitina Beklemischev, 1919 | 1919 or earlier | | | |
| Typhloplanella sexmaculata Nasonov, 1923 | 1926 or earlier | | | Umgebung von Leningrad, zwei Sümpfe neben Quellen. |
| Typhloplanella opaca Nasonov, 1923 | 1926 or earlier | | | Umgebung von Leningrad, eintrocknender Graben (April) und Sumpf neben einer Quelle.. |
| Macrostomum rostratum Papi, 1951 | 1960 or earlier | | | Russland. M. phytophilum Leningrad; Perm. Sibirien, Tomsk u.s.w. (Beklemischev). |
| Olisthanella obtusa (Schultze, 1851) | 1921 or earlier | | | Umgebung von Leningrad. |
| Planaria torva (Müller, 1773) | 1877 or earlier | | | Petersburg, "allenthalben". |
| Planaria torva (Müller, 1773) | 1923 or earlier | | | Russland: Leningrad; Moskau u.s.w., aber nicht östlich von der Wolga. |
| Dugesia lugubris (Schmidt, 1861) | 1923 or earlier | | | ....westlicher Teil von Russland (Umgebung von Leningrad, Novgorod, Kaluga, Charkov, Odessa), jedoch nicht östlich von der Wolga. |
| Bdellocephala punctata (Pallas, 1774) | 1926 or earlier | | | Russland: Umgebung von Leningrad. |
| Typhloplana viridata (Abildgaard, 1789) | 1926 or earlier | | | Russland. Leningrad. (See footnote in Luther) |
| Opistomum arsenii Nasonov, 1917 | 1926 or earlier | | | Russland: Leningrad |
| Castrada (Castrada) perspicua (Fuhrmann, 1894) | 1921 or earlier | | | Russland: Leningrad u. Perm |
| Castrada (Castrada) armata (Fuhrmann, 1894) | 1921 or earlier | | | Leningrad. |
| Strongylostoma radiatum (Müller, 1774) | 1924 or earlier | | | |
| Rhynchomesostoma rostratum (Müller, 1774) | 1917 or earlier | | | |
| Olisthanella truncula (Schmidt, 1858) | 1921 or earlier | | | |
| Olisthanella palmeni Nasonov, 1917 | 1926 or earlier | | | Leningrad, Torfsee am Ufer des Gorwaldai-Sees. [Nasonov 1926 notes: Der Gorwaldai-See ist nicht weit vom Finnischen Meerbusen entfernt und steht mit letzterem mittels eines kurzen Abflusses in Verbindung.] |
| Mesostoma ehrenbergii (Focke, 1836) | 1921 or earlier | | | |
| Mesostoma productum (Schmidt, 1848) | 1926 or earlier | | | |
| Mesostoma craci Schmidt, 1858 | 1924 or earlier | | | |
| Mesostoma tetragonum (Müller, 1774) | 1924 or earlier | | | |
| Bothromesostoma personatum (Schmidt, 1848) | 1924 or earlier | | | |
| Bothromesostoma essenii Braun, 1885 | 1924 or earlier | | | |
| Phaenocora typhlops (Vejdovsky, 1880) | 1921 or earlier | | | |
| Phaenocora unipunctata (Ørsted, 1843) | 1924 or earlier | | | |
| Rhynchoscolex simplex Leidy, 1852 | 1918 or earlier | | | Russland: Umgebung von Petrograd = Leningrad, Peterhof. |
| Geocentrophora sphyrocephala de Man, 1876 | 1926 or earlier | | | Russland: Leningrad u. Peterhof |
| Dalyellia penicilla (Braun, 1885) | 1926 or earlier | | | Umgebung von Leningrad: Ligowo, Ufer des Mollosovo-Sees, Peterhof. |