Zoanthus gigantus is a zoanthid first described from southern Japan.[1]
References
^Reimer, James Davis; Ono, Shusuke; Iwama, Atsushi; Takishita, Kiyotaka; Tsukahara, Junzo; Maruyama, Tadashi (2006). "Morphological and Molecular Revision of Zoanthus (Anthozoa: Hexacorallia) from Southwestern Japan, with Descriptions of Two New Species". Zoological Science. 23 (3): 261–275. doi:10.2108/zsj.23.261. ISSN0289-0003.