|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Sandy beach on eastern shore of Sylt.  Litoralstation (old littoral station), Biological Institute Helgoland, Biologische Anstalt Helgoland (BAH), List, Sylt | 323 
  map | 1967-1970 |  |  | sand |  | sand flat, east bank  of the Litoral Station ( leg.  Ax and Ehlers.) | Ax P (1971): 173 | 
| B | Hornum (Hörnum, Hoernum), Sylt Island, Germany | 673 
  map | 1969 |  |  | sand |  | sand flat, east bank  of the Litoral Station ( leg.  U. Ehlers.) | Ax P (1971): 173 | 
| C | Station 1, northeast Grindöy (Grindoy, Store Grindoya), sand beach areas of Tromsø (Tromso), Norway | 3232 
  map | 1969-1971 |  |  |  |  |  | Schmidt P (1972): 43 | 
| D | estuary of the White Oak River, opposite Swansboro (Swannsborough, New Town, Bogie, Bogue, Weeks Point, The Wharf), North Carolina, USA | 1282 
  map | 1973-1974 |  |  | fine sand |  | MTL, fine sand with detritus. | Tyler S (1975): 164 |