Claim: Thuridilla hopei is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusks in the family Plakobranchidae, found in Nice, France, in the Mediterranean Sea.
Evidence: Thuridilla hopei is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusks in the family Plakobranchidae. The type locality for this marine species is Nice, France, in the Mediterranean Sea.