| Name | Yonagunia Kawaguchi & Masuda |
| Authorship | Kawaguchi & Masuda |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Halymeniaceae Kützing |
| Contains | Yonagunia formosana (Okamura) Kawaguchi & Masuda Yonagunia sp. Yonagunia tenuifolia Kawaguchi & Masuda Yonagunia zollingeri (Sonder) G.H.Boo, J.K.Park, G.S.Gerung & S.M.Boo |
| Remarks | Rhodophyta; Type: Y. tenuifolia Kawaguchi & Masuda |
| Citation | 13 Feb 2004 J. Phycol. 40(1): 181 |