map| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | south (southern) harbor (Suedhafen) wall, Helgoland Island, Germany | 751map | Jul 1964 | type locality | scraped Kratz (Kratzmaterial) | museum specimen number: SMF 3426-30. | Dorjes J (1968): 422; also biogeography and ecology on this and other German Bay species in (citation)- 78-115. |