| Name | Hamakko Nakada |
| Authorship | Nakada |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Volvocales |
| Contains | Hamakko caudatus Nakada Hamakko sp. |
| Remarks | Type species: H. caudatus Nakada Etymology of Hamakko: "a Japanese term meaning "Yokohama-born" in reference to the type locality of the type species. |
| Citation | 8 Apr 2009 J. Phycol. 45(2): 490 |