site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | south (southern) harbor entrance, Helgoland Island, Germany | 725 map | Apr 1963 | type locality | 8 m | fine sand | museum specimen number: SMF 3324-30 | Dorjes J (1968): 360; also biogeography and ecology on this and other German Bay species in (citation)- 78-115. |