Marcus, 1958 Tyrinna evelinae is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.

[3] Distribution of Tyrinna evelinae includes Eastern Atlantic, Eastern Pacific, and Western Atlantic: Costa Rica, Venezuela, Jamaica, Puerto Rico, Dominican Republic, Brazil and Panama.

[2] Background color is usually translucent white with a number of orange spots.

[2] Minimum recorded depth is 0 m.[4] Maximum recorded depth is 5 m.[4] Tyrinna evelinae in Brazil feeds primarily on dysideid sponges Dysidea etheria, but also upon an unidentified chalinid species (family Chalinidae) of the order Haplosclerida.

[2] This article incorporates Creative Commons (CC-BY-4.0) text from the reference[2]