mapmap| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Klubban beach, Klubban, near Kristineberg, Sweden | 1557map | sometime 2011-2021 | type locality | 1-2.5 m | silty sand with organic content, medium sand at 1–1.5 m depth | marine | Atherton S, Jondelius U (2022): 403, 414 | |
| B | Kvarnbukten, Bohuslän, Sweden | 7824map | sometime 2011-2021 | type locality | 1-1.5 m | silty sand with organic content; medium sand | marine | Atherton S, Jondelius U (2022): 403, 414 |