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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 | Incheon (Zinsen, Jinsen, Chemulpo), Korea | Jul 1936 | default type | collected by Mr. Siro Okuda of the Hokkaido Imperial University, in the coasts of Korea. Two specimens at Zinsen on the western coast of Korea. | Kato K (1937) 236 | |||
| B | Usu-wan, Japan | May, 1934 | six specimens collected at Usu Bay near Muroran. | Kato K (1937) 130 |