Amrum Island, (North Frisian Islands), North Sea    (Ref.: Schilke K 1970)

Romo (Roem, Rom, Römö, Rømø) Island, (North Frisian Islands), Denmark, North Sea    (Ref.: Schilke K 1970)

Hanko (Hango, Hangonkyla, Khanko), St. Kolaviken, Finnish Bay, Finland    (Ref.: Karling TG 1949)

Balget, Finland    (Ref.: Karling TG 1949)

Westerhever Sand, Eiderstedt Peninsula, Schleswig-Holstein, Germany    (Ref.: Karling TG 1963)

Ahus (Åhus), Kristianstads Lan, Sweden    (Ref.: Karling TG 1963)

Sublittoral sample station #5 (Lister Tief (buoy 1)), Sylt    (Ref.: Noldt U 1989)

Sublittoral sample station #7 (Lister Tief buoy 3), Sylt    (Ref.: Noldt U 1989)

Sublittoral sample station #11 (Lister Tief buoy 5), Sylt    (Ref.: Noldt U 1989)