Elysia splendida Grube, 1861 Thuridilla hopei is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusks in the family Plakobranchidae.

[2] The type locality for this marine species is Nice, France, in the Mediterranean Sea.

[3] This species is also found off Spain, Portugal and Greece.

It is found in the benthic zone in subtropical climates.

This Plakobranchidae-related article is a stub.