Stockholm, Stockholms Lan, Sweden    (Ref.: Luther A 1962)

Fagelbrolandet (Malmö, Fagelbro, Malmo Landet) , Sweden    (Ref.: Luther A 1962)

Norsten, Sweden    (Ref.: Luther A 1962)

Kaston (Käston, Kasto), Sweden    (Ref.: Luther A 1962)

Sundholmen, Stockholms Lan, Sweden    (Ref.: Luther A 1962)

Langskar (Långskär), Finish Gulf, Finland    (Ref.: Luther A 1962)

Vikarskär (Vikarskar, Vikarskären, Storlandet), Finland    (Ref.: Luther A 1962)

Långörn (Langorn), Finland    (Ref.: Luther A 1962)

Brännskär (Brannskar, Brenskar, Brannskaret, Brandskar), Finland    (Ref.: Luther A 1962)

Hitis (Hiittinen, Hiitinen), Finland    (Ref.: Luther A 1962)

Langholmen (Långholmen, Langholm, Långholm), Finland    (Ref.: Luther A 1962)

Bromarv (Bromary, Bromarr, Bromarf), Finland    (Ref.: Luther A 1962)

Henriksberg, Finland    (Ref.: Luther A 1962)

Zoologischen Station Tvärminne (Tvarminne), Hanko (Hango, Hangö), Finnish Bay, Finland    (Ref.: Luther A 1962)

Aveton Gifford, United Kingdom    (Ref.: Hartog C den 1965)

Oudenhoorn, Provincie Zuid-Holland, Netherlands    (Ref.: Hartog C den 1966)

Kiel Bay (Kieler Bucht, Kieler Bay, Kielerbugt, Nisler Bach), Germany    (Ref.: Ax P 1960)

Rantum-Süd, Sylt Island, Germany, North Sea    (Ref.: Armonies W 1987)

Raantem Inge, Rantum, Sylt Island, Germany, North Sea    (Ref.: Armonies W 1987)

Nielönn, north of Kampen, Sylt Island, Germany, North Sea    (Ref.: Hellwig M 1987)

Tipkenhoog, Keitum, Sylt Island, Germany, North Sea    (Ref.: Armonies W 1987)

Grosse Gröning, near List, Sylt Island, Germany, North Sea    (Ref.: Armonies W 1987)

Weddewarden, Weser River Estuary, Lower Saxony, Germany    (Ref.: Krumwiede A, Witt J 1995)

Abbenfleth/Grauerort, Germany    (Ref.: Müller D, Faubel A 1993)

Kollafjörður (Kollafjördur, Kolla Fjörd), Iceland    (Ref.: Ax P 2008)

Akrane penninsula, Blautos Bay, northeast of the Akranes, Iceland    (Ref.: Ax P 2008)

Hvalfjörður (Hvalfjørdur, Hval Fjörd, Hval Fiord, Hvalfjördur), Iceland    (Ref.: Ax P 2008)

Laxárvogur (Laxévogur), Bucht Laxarnesa, Iceland    (Ref.: Ax P 2008)

Holtsós (Holthos), Iceland    (Ref.: Ax P 2008)

Saksun (Saxen, Saksen, Saken), Streymoy Island, Faroes, Faroe Islands    (Ref.: Ax P 2008)

Skalafjordhur (Skaale-Fjord; Skalefjord; Skaalefiord, Skalafjordur), Faroes, Faroe Islands    (Ref.: Ax P 2008)