Saint-Aubin-Fosse-Louvain, Louvain, France    (Ref.: Beneden E van 1870)

Allschwil (Allschwil-Switzerland), Switzerland    (Ref.: Fuhrmann O 1894)

Kleinhüningen near Basel, Switzerland    (Ref.: Fuhrmann O 1894)

Neudorf, Switzerland    (Ref.: Fuhrmann O 1894)

Taktom (Täcktom, Taktun), Finland    (Ref.: Luther A 1947)

Zoologischen Station Tvärminne (Tvarminne), Hanko (Hango, Hangö), Finnish Bay, Finland    (Ref.: Luther A 1905)

Tirrenia, Italy    (Ref.: Papi F 1951)

Pisa, Toscana, Italy    (Ref.: Papi F 1951)

Sevastopol (Sebastopol, Sewastopol, Akhiar, Akhtyar), Black Sea, Ukraine.    (Ref.: Pereyaslawzewa S 1892)

Zurich (Zürich), Switzerland    (Ref.: Keller J 1894)

Port Aralsk (Aral, Aralskoye More), Aral Sea (Aral Tengizi, Orol Dengizil, Aral'skoye More, Aral'skoe Sea), Kazakhstan    (Ref.: Beklemischev VN 1927)

Nord-Ostsee-Kanal (Nord-Ostseekanal, Kaiser Wilhelm Kanal, Kieler Kanal, Kiel Canal), Schleswig-Holstein, Germany    (Ref.: Ax P 1952)

Geneve (Genf, Ginevra, Geneva), Switzerland    (Ref.: Fuhrmann O 1900)

Veyrier, Switzerland    (Ref.: Fuhrmann O 1900)

Warszawa (Warschau, Varsavia, Varshava, Warsaw, Varsovie), Poland    (Ref.: Wassilieff E 1891)

Albufera de Valencia (Albufera, La Albufera), Spain    (Ref.: Gieysztor M 1931)

Bönigen (Bonigen), Switzerland    (Ref.: Hofsten N v 1907)

Brienzersee (Brienzer See, Lake of Brienz), Switzerland    (Ref.: Hofsten N v 1907)

Lago Maggiore (Verbano, Majeur, Locarno, Langensee), Switzerland    (Ref.: Hofsten N v 1911)

Kola Peninsula (Halbinsel Kola, Alexandrowsk, Kandalakscha, Kantalahti, Alexandrovsk), Russia    (Ref.: Nasonov NV 1923)

Leningrad Province (Sankt-Peterburg, Saint Petersburg), Russia    (Ref.: Nasonov NV 1926)

Laugarvatn, south Iceland    (Ref.: Steinböck O 1948)

Skutustaoir, north Iceland    (Ref.: Steinböck O 1948)

Agigea, Romania, Black Sea    (Ref.: Mack-Fira V 1974)

Costinesti, Romania, Black Sea    (Ref.: Mack-Fira V 1974)

Cape Midia (Capul Midia) , Romania, Black Sea    (Ref.: Mack-Fira V 1974)

Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland    (Ref.: Du Plessis G 1885)

Cantons de Vaud (Kanton Waadt), Switzerland    (Ref.: Du Plessis G 1897)

Chadjibej Liman (Khadzhybeys?kyy Lyman, Gadzhibeyskiy Liman, Gadzhibeyskiy Liman, Hadzhibeiski Lagoon), Ukraine    (Ref.: Butschinsky P 1900)

Saint Blaise, Switzerland    (Ref.: Thiébaud M 1906)

Neuchtel (Neuchatel, Neuenburg), Switzerland    (Ref.: Thiébaud M, Favre J 1906)

Langskar (Långskär), Finish Gulf, Finland    (Ref.: Luther A 1902)