Hydrophis melanocephalus GRAY 1849
| La fauna de la Republica Argentina. E L Holmberg (1898) Segundo censo nacional : 477-602 | |
| Diagnosis of eight new batrachians and reptiles from the Riu Kiu Archipelago, Japan. Leonhard Stejneger (1901) Proc. Biol. Soc. Washington 14: 189-191 | |
| Herpetology of Japan and adjacent territory Leonhard Stejneger (1907) Bulletin United States National Museum 58: 1-577 |