Luisella telja is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Samlidae.MolluscaBase eds. (2026). MolluscaBase. Luisella telja (Ev. Marcus & Er. Marcus, 1967). Accessed through: World Register of Marine Species on 2026-05-31. Ekimova I., Carmona L., Mikhlina AL., Grishina D., Stanovova M.V., Schepetov D.M., Hoover C., de Souza-Canal J., Kuznetsov K.O., Valdés A.; (2026). Neither "lumpers" nor "splitters": A global revision of Flabellinidae s.l. nudibranchs (Gastropoda: Heterobranchia: Nudibranchia). PLoS One 21(5): e0347759.
Distribution This species occurs from the Gulf of California and the Pacific coast of Mexico to Panama.
Description Luisella telja is a flabellinid nudibranch with a translucent white body with a strong rose-pink hue. It has opaque white spots over the surfaces of the cerata and the back of the body and the sides of the foot.Rudman, W.B., 2005 (November 17) Flabellina telja Marcus & Marcus, 1967. [In] Sea Slug Forum. Australian Museum, Sydney.
The description of Orienthella fogata includes a table comparing similar species from Mexico.Millen S. & Hermosillo A. (2007) The genus Flabellina Voight, 1834 (Mollusca: Opisthobranchia) from Bahia de Banderas (Pacific coast of Mexico) with ecological observations, the description of a new species, and the redescription of Flabellina cynara. Proceedings of the California Academy of Sciences ser.4, 58(26): 543-559. page(s): 556
Species Rhinophores Ground colour Colour of cerata Living size (mm) Coryphellina marcusorum Red, papillate posteriorly Bright pink Pink, purple and yellow < 20 Samla telja Yellow or brown, perfoliate Light pink, white spots Brownish pink < 24 Edmundsella vansyoci Pink, verrucose Rose pink Rose pink, white spots < 15 Flabellina bertschi White, smooth White Reddish pink, white tips < 8 Orienthella fogata Translucent orange, annulate Translucent orange Red with white spots < 15 Kynaria cynara White with purple tips, perfoliate Pink with purple markings Salmon & purple, white spots < 12
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