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near Santa Catalina Island, California, USA
latitude: 33.491299
longitude: -118.537003
Precision of location: Gauged from chart or map
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Plehnia caeca | Sep 1940 | 237.74 m | mud | |
| Stylochoplana panamensis | Aug 4, 1941 | collected by the Allan Hancock Foundation. | ||
| Stylochoplana panamensis | Sep 14, 1941 | collected by the Allan Hancock Foundation on rocky shore. | ||
| Prosthiostomum latocelis | Jul 5, 1940 | 30-90 m | taken by the Allan Hancock Foundation. | |
| Prosthiostomum latocelis | Jul 19, 1941 | 30-90 m | taken by the Allan Hancock Foundation. | |
| Prosthiostomum latocelis | Sep 14, 1941 | 30-90 m | taken by the Allan Hancock Foundation. | |
| Prosthiostomum multicelis | Aug 4, 1941 | taken by the Allan Hancock Foundation, shore collecting. |