| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Onagawa-wan (Onnagawa, Onaga), Japan | 4437 | Jul 31, 1935 | default type | three individuals collected at Mamakohama. | Kato K (1939): 77 | |||
| B | Onagawa-wan (Onnagawa, Onaga), Japan | 4437 | 1944 or earlier | default type | Mamakohama near Onagawa, Rikuzen. A single specimen. | Kato K (1944): 308 |