mapmap| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Amakusa Marine Biological Laboratory, Tomioka, Kumamoto Prefecture, Japan | 4418map | 1937 or earlier | default type | common on the sandy beach in the vicinity of the Laboratory during spring and summer, and often attacks the living periwinkle, Umbonium moniliferum to put to death. | Kato K (1936): 17 | |||
| B | Tomioka Bay, Kumamoto Prefecture, Japan | 4419map | 1944 or earlier | On muddy beach. This worm attacks the living periwinkles, Umbonium moniliferum Lamarck. | Kato K (1944): 268 |