site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Herdla (Herlo), off Bergen, Norway | 56 map | 1955 | type locality | Karling TG (1993): 325 | ||||
B | Flatholmen, Goteborgs och Bohus Lan, Sweden | 2845 map | prior to 1993 | type locality | 15 m | shell sand | Skagerrak, Furcellaria zone at Flatholmen. | Karling TG (1993): 326 |