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Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | near eastern Tonne Helgoland II, Skitt-Gatt (Skittgatt channel), Helgoland Island, Germany | May 1963 | 8 m | coarse gravel | type locality | museum specimen number: SMF 3439-45 | Dorjes J (1968) 430; also biogeography and ecology on this and other German Bay species in (citation)- 78-115. |