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Onagawa-wan (Onnagawa, Onaga), Japan
latitude: 38.424999
longitude: 141.5
Precision of location: Alexandria Digital Library (with NGA GNDB data)
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Plehnia pacifica | Jul 19, 1935 | 28 m | single Craspedommatous polyclad brought up by dredger off west coast of Tako-sima near Onagawa. | |
| Notoplana libera | Aug 14, 1935 | Two specimens of this new species were collected at Takenoura. | ||
| Notoplana sophia | Nov 25, 1936 | two examples which were found on the wooden floats of a gill-net at Konorihama. | ||
| Notoplana humilis | 1935-1937 | very common on a sandy beach in the vicinity of the Institute [Onagawa Oceano-chemical Institute of the Tohoku Imperial University from Onagawa Bay] | ||
| Pseudostylochus nationalis | Jun 25, 1938 | a single specimen at Konorihama. | ||
| Pseudostylochus obscurus | Jul 16, 1935 | several specimens at Konorihama and Isihama. | ||
| Pseudostylochus takeshitai | Jun 25, 1938 | three specimens collected under stones at Konorihama. | ||
| Pseudostylochus aino | Jul 18, 1935 | 8.4 m | two were dredged from a depth of 8.4 m at Mamakohama. | |
| Pseudostylochus edurus | Jun 25, 1938 | under a stone at Konorihama. | ||
| Pseudoceros sagamianus | Oct 16, 1935 | on a submerged slate at Konorihama. | ||
| Prosthiostomum bellum | Jul 31, 1935 | three individuals collected at Mamakohama. | ||
| Pseudoceros sagamianus | 1944 or earlier | |||
| Prosthiostomum bellum | 1944 or earlier | Mamakohama near Onagawa, Rikuzen. A single specimen. |