|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Bassin d'Arcachon (Arcachon Bay) , near Belisaire, Aquitaine, France | 2938 
  map | Sep 1954 |  |  | sand |  | Arenicola-sand.  detritus poor.  few specimens. | Ax P (1971): 189 | 
| B | Bassin d'Arcachon (Arcachon Bay) , near Certes, Aquitaine, France | 2955 
  map | Sep 1954 |  |  | mud |  | black brown mud with Zostera nana.  1 specimen. | Ax P (1971): 189 | 
| C | Ellenbogen, south beach, List, Sylt Island, North Sea | 684 
  map | Apr 1949 |  |  | sand |  | sand flat. | Ax P (1971): 189 | 
| D | Lister Hook (Lister Haken, Hakens), Sylt Island, Germany, North Sea | 738 
  map | Aug 1966 |  |  | sand |  | detritus rich sand.  east   2 specimens. | Ax P (1971): 189 | 
| E | Lister Hook (Lister Haken, Hakens), Sylt Island, Germany, North Sea | 738 
  map | Sep 1970 |  |  | sand |  | numerous specimens.  leg. Ehlers. | Ax P (1971): 189 | 
| F | Sandy beach on eastern shore of Sylt.  Litoralstation (old littoral station), Biological Institute Helgoland, Biologische Anstalt Helgoland (BAH), List, Sylt | 323 
  map | Jul 1970 |  |  | sand |  | 40 meters from beach break.  1 specimen.  leg. Ehlers. | Ax P (1971): 189 | 
| G | Schilksee, Kieler Bay (Kieler Bucht), Schleswig-Holstein, Germany | 2603 
  map | Apr 1951 |  | 9-10 m | mud |  | 5 specimens. | Ax P (1971): 189 | 
| H | off Buelk (Bülk, Bulk) Kiel Bay (Kieler Bucht;  Kielerbugt;  Nisler Bach), Germany | 2447 
  map | Sep 1951 |  | 5-6 m | medium to coarse sand |  |  | Ax P (1971): 189 | 
| I | Stavenisse, Tholen, Province of Zeeland, Netherlands | 3123 
  map | Apr 1963 | type locality |  | mud, fine sand |  | Salt-marsh creek.  Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom.  It seems to be a member of the still-water association of detritus rich fine sand. | den Hartog C (1966): 119-120 | 
| J | Stavenisse, Tholen, Province of Zeeland, Netherlands | 3123 
  map | Nov 1963 | type locality |  |  |  | Salt-marsh creek.  Creek runs through the salt-marsh of Stavenisse, found in several samples taken from the muddy sand bottom. It seems to be a member of the still-water association of detritus rich fine sand. | den Hartog C (1966): 119 | 
| K | Koenigs Bay (Koenigshafens, Konigshafen, Königshafen), Sylt Island, Germany, North Sea | 491 
  map | Nov 1982 - Jun 1983 |  |  | mud |  | inner part Königshafen, a sheltered marine bay near the isle of Sylt. | Dittmann S, Reise K (1985): 99-100 | 
| L | Koenigs Bay (Koenigshafens, Konigshafen, Königshafen), Sylt Island, Germany, North Sea | 491 
  map | 1985 or earlier |  |  | sand |  | deep sulfide layer at depths of more than 5 cm below the sediment surface.  Species found at least 3 times. | Scherer B (1985): 122-124 | 
| M | Hornum-Ost (Hörnum, Hoernum), Sylt Island, Germany | 3617 
  map | Mar 1983 |  |  | mud |  | Hörnum, Nehrungshaken und Lagune at the eulittoral-supralittoral transition belt of the lentic tidal coast.  Spartina auf Schlick bis Kleie. | Hellwig M (1987): 176 | 
| N | Nielönn, north of Kampen, Sylt Island, Germany, North Sea | 3613 
  map | Jul 1983 |  |  |  |  | "Nielönn" bei Kampen. | Hellwig M (1987): 176 | 
| O | Hornum-Ost (Hörnum, Hoernum), Sylt Island, Germany | 3617 
  map | Mar 1983 |  |  | mud |  | Hörnum, Nehrungshaken und Lagune.  Spartina auf Schlick bis Kleie, -20 bis + 20 cm, 30 x 2 cm2. | Hellwig M (1987): 176 |