| Citation | Rudman, W.B. and B.W. Darvell, 1990 Opisthobranch molluscs of Hong Kong: part 1. Goniodoridae, Onchidoriidae, Triophidae, Gymnodoriidae, Chromodoriidae (Nudibranchia). Asian Marine Biology 7:31-79. | |
| Ref. | 79924 Rudman, W.B. and B.W. Darvell, 1990 | |
| Page | 39 | |
| Named Used as Valid | Okenia japonica | |
| Locality | ||
| Distribution | Japan and Hong Kong. | |
| Quote | Depth range: 2 to 12 meters. |