|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Marseilles (Marseille, Marsiglia, Marsella), Provence-Alpes-Côte d'Azur, France | 1268 
  map | prior to 1965 | type locality |  | amphioxus sand |  | from Plateau des Chèvres, Marseilles area, Mediterranean. | Brunet M (1965): ; from Schockaert ER, Karling TG (citation)- p. 140 | 
| B | Isle of Bonden (Stora Bonden), Sweden | 2049 
  map | Aug 7, 1961 |  | 20-30 m | shell gravel |  |  | Schockaert ER, Karling TG (1975): 140 | 
| C | Isle of Bonden (Stora Bonden), Sweden | 2049 
  map | Jun 11, 1974 |  | 20-30 m | shell gravel |  |  | Schockaert ER, Karling TG (1975): 140 | 
| D | Kors Fjord (Korsfjorden, Korsfjord, Krossfjorden), Fjord, near Bergen, Norway | 1554 
  map | Jul 29, 1968 |  | 7 m | fine shell gravel |  | south of Bergen, Korsfjord, Liholmen, Bergen Biol. Stat. Ref. No. 261-68. | Schockaert ER, Karling TG (1975): 140 | 
| E | Sylt Island, Germany | 61 
  map | prior to 1970 |  | intertidal | sand |  | coast of Sylt. | Schilke K (1970): ; from Schockaert ER, Karling TG (citation)- p. 140 | 
| F | eastern shore of Sylt Island, Germany | 4552 
  map | 1968-1970 |  |  |  |  |  | Hoxhold S (1974): 25 | 
| G | between the Ile de Riou and the Ile de Plane (Calsereigne, Caleseragne), Archipel von Riou, Provence-Alpes-Cote d'Azur, France | 3355 
  map | 1965 or earlier | default type |  |  |  |  | Brunet M (1965): 158 | 
| H | Plateau des Chèvres (Chevres), between Ile Jarre (Ile Jarros, Jaire, Jarron) and the coast of France, France | 3358 
  map | 1965 or earlier | default type |  |  |  |  | Brunet M (1965): 158 | 
| I | Ellenbogen, Alte Anstalt (5), Sylt, Germany | 6613 
  map | 1966-1968 | type locality |  |  |  | Sandhang | Schilke K (1970): 159 | 
| J | List, Litoralstation der Biologischen Anstalt Helgoland (12), Sylt, Germany | 6620 
  map | 1966-1968 |  |  |  |  | Sandhang | Schilke K (1970): 159 | 
| K | Bay of Terimbou, Cerbère (France) N. side of the bay, near Les Aloès | 7110 
  map | July 29, 2007 |  | 8 m |  |  | "...Cerbère, Terrimbou, Les Aloés, in front of the little jetty, clean sand, 8 m deep, (Revis & Jouk, 29 July 2007)..." | Schockaert ER, Moons P, Janssen T, Tessens BS, Reygel PC, Revis N, Jouk PEH, Willems WR, Artois T (2019): |