Baltic sea, Belgian Exclusive Economic Zone, Black Sea, European waters (ERMS scope), Knokke-Heist, Mediterranean Sea, Portuguese Exclusive Economic Zone, Sint-Idesbald, Spanish Exclusive Economic Zone, Wimereux

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

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

Krogarsviken (Krogarviken), Finland    (Ref.: Luther A 1962)

Kittilä (Kittila), Finland    (Ref.: Luther A 1963)

Majavajärvi, Finland    (Ref.: Luther A 1963)

Bad Oldesloe, Schleswig-Holstein, Germany    (Ref.: Rixen J-U 1961)

Stichkanal Spandau, near Teufels-See (Teufelsee), Germany    (Ref.: Rixen J-U 1961)

Steiermark (Styria, Styrie), Austria    (Ref.: Rixen J-U 1961)

Köln (Cologne, Koln, Koeln, Colonia Agrippina, Augusta Ubiorum, Coln), Germany    (Ref.: Reisinger E 1929)

Kärnten (Bundesland Kärnten, Carinthia, Carinzia, Koruska, Koroska) on the Wörthersee , Austria    (Ref.: Reisinger E 1929)

Tvarminne (Tvärminne, Tverminne, Tvaerminne), Kvarnskar (Kvärnskar), Finnish Bay, Finland    (Ref.: Karling TG 1930)

Southern etange cotiers du littoral mediteranneen, Südfrankreich (southern France), France    (Ref.: Ax P 1956)

Etangs, Südfrankreich (southern France), France    (Ref.: Ax P 1956)

Selker Noor, Schleswig-Holstein, Germany    (Ref.: Ax P 1951)

Kiel Bay (Kieler Bucht, Kieler Bay, Kielerbugt, Nisler Bach), Germany    (Ref.: Ax P 1951)

Sile (Artane, Chile, Schile, Kilia), Black Sea (Chernoe More, Chernoye More, Euxine Sea, Schwarzes Meer), Turkey    (Ref.: Ax P 1959)

Station 1, northeast Grindöy (Grindoy, Store Grindoya), sand beach areas of Tromsø (Tromso), Norway    (Ref.: Schmidt P 1972)

Pocologan, New Brunswick, Canada    (Ref.: Ax P, Armonies W 1987)

Hornum-Ost (Hörnum, Hoernum), Sylt Island, Germany    (Ref.: Hellwig M 1987)

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

Raantem Inge, Rantum, Sylt Island, Germany, North Sea    (Ref.: Hellwig M 1987)

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

Ellenbogen, Sylt Island, North Sea    (Ref.: Armonies W 1987)

Amrum Island, (North Frisian Islands), North Sea    (Ref.: Ax P 1952)

Westerhever Sand, Eiderstedt Peninsula, Schleswig-Holstein, Germany    (Ref.: Ax P 1952)

Elbe River, near Hamburg-Harburg, Germany    (Ref.: Ax P 1957)

Llanddwyn, Anglesey, North Wales, United Kingdom    (Ref.: Boaden PJS 1963)

Wörthersee (Wörther See, Woerthersee) , Austria    (Ref.: Reisinger E, Steinböck O 1925)

Lago Maggiore, Italy    (Ref.: Steinböck O 1949)

Schweiz, Bodensee, Germany    (Ref.: Steinböck O 1951)

Kurmark, Germany    (Ref.: Weise M 1942)

Koenigs Bay (Koenigshafens, Konigshafen, Königshafen), Sylt Island, Germany, North Sea    (Ref.: Hellwig M 1987)

Site south of Keitum, Germany    (Ref.: Hellwig M 1987)

Inner Königshafen, Sylt Island, Germany, North Sea    (Ref.: Hellwig M 1987)

Morsum-Odde, Sylt Island, Germany, North Sea    (Ref.: Hellwig M 1987)

Lister Hook (Lister Haken, Hakens), Sylt Island, Germany    (Ref.: Hellwig M 1987)

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

South east or Godhavn, Greenland    (Ref.: Ax P 1995)

Plain of Romania (Romanian Plain), Ilfov County, Romania    (Ref.: Mack-Fira V 1970)

Ria de Ondarroa, Spain    (Ref.: Noreña C., Damborenea C., Faubel A. & Brusa F. 2007)

Ria Zumaia, Spain    (Ref.: Noreña C., Damborenea C., Faubel A. & Brusa F. 2007)

Depth range based on 1 specimen in 1 taxon.

Environmental ranges
  Depth range (m): 0.75 - 0.75
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.