|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Blidsel Bay (Blidselbucht), List, Sylt Island, Germany | 723 
  map | Jul 1970 |  |  | sand |  | Arenicola- sand Watt.  3 specimens. | Ehlers U (1974): 72 (496) | 
| B | Breakwater (Buhne) south of List, Sylt Island, Germany | 735 
  map | Apr 1970 |  |  | sand |  | sand Watt.  4 specimens. | Ehlers U (1974): 72 (496) | 
| C | Lister Hook (Lister Haken, Hakens), Sylt Island, Germany, North Sea | 627 
  map | Feb, Sep 1970 |  |  | sand |  | beach break in front of sand Watt.   About 20 specimens. | Ehlers U (1974): 72 (496) | 
| D | Koenigs Bay (Koenigshafens, Konigshafen, Königshafen), Sylt Island, Germany, North Sea | 722 
  map | Feb 1973 |  |  | sand |  | isolated in sand Watt. | Ehlers U (1974): 72 (496) | 
| E | Weststrand, List, Sylt Island, Germany, North Sea | 635 
  map | Mar 1971 |  |  |  |  | Within the range of the NWL with strong low tide.  3 individuals. | Ehlers U (1974): 72 (496) | 
| F | Amrum Island, (North Frisian Islands), North Sea | 309 
  map | 1974 or earlier |  |  |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | Ax P (2008): from Ax 1953 (citation), Ax 1959 (citation), Ax 1971 (citation), Riedl 1954 (citation), Hartog 1966 (citation), Ehlers 1974 (citation) | 
| G | Sylt Island, Germany | 61 
  map | 1974 or earlier |  |  |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | Ax P (2008): from Ax 1953 (citation), Ax 1959 (citation), Ax 1971 (citation), Riedl 1954 (citation), Hartog 1966 (citation), Ehlers 1 | 
| H | Schilksee, Kieler Bay (Kieler Bucht), Schleswig-Holstein, Germany | 2603 
  map | 1974 or earlier |  |  |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | Ax P (2008): from Ax 1953 (citation), Ax 1959 (citation), Ax 1971 (citation), Riedl 1954 (citation), Hartog 1966 (citation), Ehlers 1 | 
| I | off Buelk (Bülk, Bulk) Kiel Bay (Kieler Bucht;  Kielerbugt;  Nisler Bach), Germany | 2447 
  map | 1974 or earlier |  |  |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | Ax P (2008): from Ax 1953 (citation), Ax 1959 (citation), Ax 1971 (citation), Riedl 1954 (citation), Hartog 1966 (citation), Ehlers 1 | 
| J | Island of Sicilia (Sicily, Sicile, Sizilien, Sicula), Italy | 1267 
  map | 1974 or earlier |  |  |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | Ax P (2008): from Ax 1953 (citation), Ax 1959 (citation), Ax 1971 (citation), Riedl 1954 (citation), Hartog 1966 (citation), Ehlers 1 | 
| K | Florya, Sea of Marmara (Marmara Meer), Turkey | 787 
  map | 1974 or earlier |  |  |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | Ax P (2008): from Ax 1953 (citation), Ax 1959 (citation), Ax 1971 (citation), Riedl 1954 (citation), Hartog 1966 (citation), Ehlers 1 | 
| L | Prinzeninsel Heybeli (Heybeliada, Helbeliada, Halki) Island, Sea of Marmara (Marmara Meer), Turkey | 547 
  map | 1974 or earlier |  |  |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | Ax P (2008): from Ax 1953 (citation), Ax 1959 (citation), Ax 1971 (citation), Riedl 1954 (citation), Hartog 1966 (citation), Ehlers 1 | 
| M | Sile (Artane, Chile, Schile, Kilia), Black Sea (Chernoe More, Chernoye More, Euxine Sea, Schwarzes Meer), Turkey | 570 
  map | 1974 or earlier |  |  |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | Ax P (2008): from Ax 1953 (citation), Ax 1959 (citation), Ax 1971 (citation), Riedl 1954 (citation), Hartog 1966 (citation), Ehlers 1 |