Tritoniopsis is a genus of sea slugs, specifically dendronotid nudibranchs. It is a marine gastropod mollusc in the family Tritoniidae.MolluscaBase (2018). Tritoniopsis Eliot, 1905. Accessed on 2021-01-11.

Species Species in the genus Tritoniopsis include: Tritoniopsis brucei Eliot, 1905 - type species of the Genus Tritoniopsis cincta (Pruvot-Fol, 1937) Tritoniopsis elegans (Audouin in Savigny, 1826) Tritoniopsis frydis Er. Marcus & Ev. Marcus, 1970 Species brought into synonymy Tritoniopsis alba (Baba, 1949): synonym of Tritoniopsis elegans (Audouin, 1826) Tritoniopsis gravieri Vayssière, 1912: synonym of Tritoniopsis elegans (Audouin, 1826)

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