| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Ebisu-saki (Ebisu-zaki), Japan | 4422 | June 1937 | default type | single representative of this species was taken under a stone at the low tidemark at Ebisu-zaki. | Kato K (1938): 567 | |||
| B | Amakusa Marine Biological Laboratory, Tomioka, Kumamoto Prefecture, Japan | 4418 | 1944 or earlier | Tomioka, Amakusa. A single specimen. | Kato K (1944): 293 |