| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Sevastopol (Sebastopol, Sewastopol, Akhiar, Akhtyar), Black Sea, Ukraine. | 203 | 1892 or earlier | type locality | 10-12 m | sand | Pereyaslawzewa S (1892): ; from Graff (citation)- p. 296 | ||
| B | Woods Hole,Cape Cod, Massachusetts, USA | 223 | 1938 or earlier | 1 specimen. | Jones ER Jr (1938): [location from Louise Bush notes on literature for this species, see card] |