Collecting site
Ousima (Oshima, Ousemma, Ryukyu Islands Ousima), Japan
latitude: 28.25     28 15 N
longitude: 129.25     129 15 E
[Precision of location: place-name in gazetteer] 
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication] 
Collected here:
| Callioplana marginata Stimpson, 1857 | prior to 1857 |  |  |  | 
| Diplonchus marmoratus Stimpson, 1857 | 1857 or earlier |  |  | Ousima Island, Japan. | 
| Discocelis lactea Stimpson, 1857 | 1857 or earlier |  |  | Ousima Island, Japan. | 
| Leptoplana punctata Stimpson, 1857 | 1857 or earlier |  |  | Ousima Island, Japan. | 
| Leptoplana tenella (Stimpson, 1857) | 1857 or earlier |  |  | Ousima Island, Japan. | 
| Stylochus conglomeratus Stimpson, 1857 | 1857 or earlier |  |  | Ousima Island, Japan. | 
| Stylochus limosus (Stimpson, 1857) | 1857 or earlier |  |  | Ousima Island, Japan. | 
| Cryptocoelum opacum Stimpson, 1857 | 1857 or earlier |  |  | Ousima Island, Japan. | 
| Trachyplana tuberculosa Stimpson, 1857 | 1857 or earlier |  |  | Ousima Island, Japan | 
| Bipalium maculatum Stimpson, 1857 | 1857 or earlier |  |  | ad unsulam "Ousima". |