|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Lachte River, near Celle (Lower Saxonia), Germany | 486 
  map |  |  |  |  |  | collected from sediments of River Lachte, near Celle (Lower Saxonia) by Dr R. Altmueller.  no date specified. | Ehlers U (1992): 313 | 
| B | Falmouth, Massachusetts, USA | 1190 
  map | Aug 1907 |  |  |  | brackish | Prof Child and Dr. Wilhelmi had collected this in brackish ponds with Triclads. | Graff Lvon (1911): 348 | 
| C | Kola Peninsula (Halbinsel Kola, Alexandrowsk, Kandalakscha, Kantalahti, Alexandrovsk), Russia | 1263 
  map | 1923 or earlier |  |  |  | freshwater |  | Nasonov NV (1923): 75;  Nasonov NV 1924 (citation)- 330, Nasonov NV 1925 (citation)- p 60; from Steinbock O (citation)-302 | 
| D | pond, in the suburb of Canindé (Caninde), north of the city of  São Paulo (San Paulo), Brazil | 1071 
  map | prior to 1945 |  |  |  | freshwater |  | Marcus Er (1945): 1, 2, 64-65 | 
| E | Southeastern New York State, USA | 2196 
  map | prior to 1987 |  |  |  | freshwater | 1 specimen in a stream, 42 specimens interstitial, and 8 specimens from springs. | Kolasa J, Strayer D, Bannon-O'Donnell E (1987): 127 | 
| F | Wurzburg (Würzburg), Germany | 2452 
  map | 1854 or earlier | default type |  |  | freshwater |  | Leydig F (1854): ;from Graff L v 1913 (citation)- p 24 | 
| G | Kazan' (Kasan), Russia | 2453 
  map | 1854 or earlier | default type |  |  | freshwater |  | Leydig F (1854): ;from Graff L v 1913 (citation)- p 24 | 
| H | Switzerland (Schweiz) | 2455 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 31 | 
| I | Czech (Cechy, Chekhiya, Chekhiya, Czechy, Czechia, Boemia, Böhemia, Boheme, Boemia, Bohemia) Republic | 2462 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 31 | 
| J | Philadelphia, Pennsylvania, USA | 2221 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 31 | 
| K | Leningrad Province (Sankt-Peterburg, Saint Petersburg), Russia | 3893 
  map | 1926 or earlier |  |  |  |  | Leningrad province. | Nasonov NV (1926): abstract | 
| L | Corsier, Switzerland | 4096 
  map | 1897 or earlier |  |  |  | freshwater | Léman, Ufer (bei Corsier, Schlamm auf den Steinen.) | Du Plessis G (1897): from Hofsten 1912 (citation)- p. 603 | 
| M | Geneve (Genf, Ginevra, Geneva), Switzerland | 3925 
  map | 1897 or earlier |  |  |  | freshwater | Bassin des Botanischen Gartens in Geneve. | Du Plessis G (1897): from Hofsten 1912 (citation)- p. 603 | 
| N | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 2635 
  map | 1897 or earlier |  |  |  | freshwater | Léman, Ufer (bei Corsier, Schlamm auf den Steinen.) | Du Plessis G (1897): from Hofsten 1912 (citation)- p. 603 | 
| O | Rosenfeld, Schleswig-Holstein, Germany | 5995 
  map | Oct 7, 1956 |  |  | Schlamm |  | Rosenfelder See, laubhaltiger Uferschlamm (20 Ex.) | Rixen J-U (1961): 472 | 
| P | Ascheberg (Holstein), Schleswig Holstein Land, Germany | 5212 
  map | Aug 6, 1957 |  |  |  |  | Grosser Plöner See, bei Ascheberg, Küstengrundwasser (sehr häufig) | Rixen J-U (1961): 472 | 
| Q | Plön (Ploen), Germany | 2443 
  map | May 13, 1957 |  |  |  |  | Grosser Plöner See, Küstengrundwasser am Prinzenbad in Plön (10 Ex.) | Rixen J-U (1961): 472 | 
| R | Schluensee, Schleswig-Holstein, Germany | 5996 
  map | Aug 6, 1957 |  |  | Grobsand |  | (1 Ex.) | Rixen J-U (1961): 472 | 
| S | Elbe (Elba, Laba, Labe) River, Germany | 1308 
  map | 1957 or earlier |  |  |  |  | Flusssande der Elbe | Ax P (1957): from Rixen 1961 (citation)- p. 472 | 
| T | France (Frankreich) | 2454 
  map | 1907 or earlier |  |  |  |  | Böhmen. | Sekera E (1907): from Luther 1960 (citation)- p. 60 | 
| U | Poland (Polen) | 4037 
  map | 1939 or earlier |  |  |  |  | Polen. | Gieysztor M (1939): from Luther 1960 (citation)- p. 60 | 
| V | Steiermark (Styria, Styrie), Austria | 1962 
  map | 1926 or earlier |  |  |  |  | Österreich, Steiermark, bis 1,200 m ü.M. (Reisinger, Steinböck). | Steinböck O (1926): from Luther 1960 (citation)- p. 60 | 
| W | Saint Petersburg (Sankt-Peterburg, Petrogrado, Petrograd, Leningrad), Russia | 1708 
  map | 1918 or earlier |  |  |  |  | Russland:  Umgebung von Petrograd = Leningrad, Peterhof. | Beklemischev VN (1918): and Nasonov 1926 (citation);  from Luther 1960 (citation)- p. 60 | 
| X | Peterhof (Petergof), Petrodvorets District, Saint Petersburg, Russia | 5559 
  map | 1918 or earlier |  |  |  |  | Russland:  Umgebung von Petrograd = Leningrad, Peterhof. | Beklemischev VN (1918): and Nasonov 1926 (citation);  from Luther 1960 (citation)- p. 60 | 
| Y | Bologoye (Bologoje), Russia | 2463 
  map | 1900 or earlier |  |  |  |  | Gouv. Novgorod, See Bologoje (Plotnikov). | Plotnikow W (1900): from Luther 1960 (citation)- p. 60 | 
| Z | Velikiy Novgorod (Nowgorod), Russia | 5750 
  map | 1900 or earlier |  |  |  |  | Gouv. Novgorod, See Bologoje (Plotnikov). | Plotnikow W (1900): from Luther 1960 (citation)- p. 60 | 
| A1 | Tenala (Tenhola), Finland | 2974 
  map | 1960 or earlier |  |  |  |  | Tenala, Hylta, sumpfiger Wald am Ufer des Långträsk, in kleinen Lachen mit Sphagnum, 16.3 ºC | Luther A (1960): 60 | 
| B1 | Hylta, Finland | 2977 
  map | 1960 or earlier |  |  |  |  | Tenala, Hylta, sumpfiger Wald am Ufer des Långträsk, in kleinen Lachen mit Sphagnum, 16.3 ºC | Luther A (1960): 60 | 
| C1 | Långträsk (Langtrask, Långsträsket), Finland | 2978 
  map | 1960 or earlier |  |  |  |  | Tenala, Hylta, sumpfiger Wald am Ufer des Långträsk, in kleinen Lachen mit Sphagnum, 16.3 ºC | Luther A (1960): 60 | 
| D1 | Zoologischen Station Tvärminne (Tvarminne), Hanko (Hango, Hangö), Finnish Bay, Finland | 1378 
  map | Apr 26, 1950 |  |  |  |  | Tvärminne, Zoolog. Station, >>Hästhagen>>, zwischen totem Laub am Boden eines Grabens mit langsam fliessendem Wasser, 1 Ex. | Luther A (1960): 60 | 
| E1 | Murmansk (Murmansk Sea Biological Station), Barents Sea, Russia | 303 
  map | 1923 or earlier |  |  |  |  | Murmansk, Biolog. Station. | Nasonov NV (1923): from Luther 1960 (citation)- p. 60 | 
| F1 | Zelenogorsk (Teriyoki, Terijoki, Terioki, Poselok Terioki), Russia | 2992 
  map | 1955 or earlier |  |  |  |  | Terijoki, in einem wenig tiefen Brunnen (Beklemischev) | Luther A (1960): 60 | 
| G1 | Japan (Nippon, Yaponiya, Nihon, Japon, Giappone) | 2738 
  map | 1953 or earlier |  |  |  |  | Japan. | Okugawa KI (1953): from Luther 1960 (citation)- p. 60 | 
| H1 | Ribadil River in Riba de Mouro, Spain | 6221 
  map | 1997-1999 |  |  |  | Limnetic, Brackish (olig) |  | Noreña C, Damborenea C, Faubel A & Brusa F (2007): 1992, 1993 | 
| I1 | Arnoia River near O Viso, Spain | 6220 
  map | 1997-1999 |  |  |  | Limnetic, Brackish (olig) |  | Noreña C, Damborenea C, Faubel A & Brusa F (2007): 1992, 1993 | 
| J1 | San Juan River in San Juan de Amandi, Spain | 6230 
  map | 1997-1999 |  |  |  | Limnetic, Brackish (olig) |  | Noreña C, Damborenea C, Faubel A & Brusa F (2007): 1992, 1993 | 
| K1 | Köhlbrand, Hamburg Harbor, Hamburg, Germany | 8142 
  map | 1966 or earlier |  |  | medium sand with little detritus |  |  | Riemann F (1966): | 
| L1 | Köhlbrand, Hamburg Harbor, Hamburg, Germany | 8142 
  map | 1966 or earlier |  |  | detritus-free medium sand |  |  | Riemann F (1966): | 
| M1 | Elbe River, near Hamburg-Harburg, Germany | 530 
  map | 1966 or earlier |  |  |  |  | Elbe river, Bank near Hamburg | Riemann F (1966): |