| Citation | Toriba, M., 1994 Sea snakes of Japan. pp. 206-211, In Gopalakrishnakone, P. (ed.). Sea Snake Toxinology. Venom & Toxin Research Group. National University of Singapore. 251 p. |
| Ref. | 88066 Toriba, M., 1994 |
| Page | 209 |
| Named Used as Valid | Hydrophis ornatus |
| Locality | |
| Distribution | Ryukyu Island. |