Trinchesia signiferaKorshunova T.; Fletcher K.; Martynov A. (2025). The endless forms are the most differentiated—how taxonomic pseudo-optimization masked natural diversity and evolution: the nudibranch case Zoological Journal of the Linnean Society, Volume 204, Issue 4, August 2025, zlaf057, is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Trinchesiidae.Bouchet, P. (2014). Catriona signifera Baba, 1961. Accessed through: World Register of Marine Species on 2015-03-09
Distribution This species was described from Tannowa, Osaka Bay, on the shore (March 1951 and 1959, 12 specimens, collected by Mr. Hamatani) and Mukaishima, Seto Inland Sea, on Sargassum weed in shallow water (March 1960, 27 specimens, collected by Dr. Inaba).
Description This species has sometimes been considered to be a synonym of Diaphoreolis viridis, but unlike that species, it has oval spots of white pigment on the cerata and white rhinophores and oral tentacles.Yasuhiro Shamoto, 2007 (Jul 24) Cuthona viridis? from Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. There is an ovoid brown or black mark on the back, behind the rhinophores.
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