site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Le Portel (Portel, Marine Lab), Nord Pas de Calais, Channel | 291 map | 1913 or earlier | type locality | sand | brackish | under rocks, fine shell rubble. | Graff Lvon (1913): 452 |