Rhopilema
Rhopilema is a genus of jellyfish.
Species include:Rhopilema asamushiRhopilema esculentum Kishinouye 1891Rhopilema hispidum Vanhoffen 1888Rhopilema nomadica, a dangerously venomous Indo-Pacific species recently introduced to the Mediterranean SeaRhopilema rhopalophorum Haeckel, 1880 Rhopilema rhopalophora is a synonym.