Larva Phyllosoma
Problably Palinurus vulgaris.
Classification: Animalia (Kingdom) Arthropoda (Phylum) Crustacea (Subphylum) Multicrustacea (Superclass) Malacostraca (Class) Eumalacostraca (Subclass) Eucarida (Superorder) Decapoda (Order) Pleocyemata (Suborder) Achelata (Infraorder) Palinuridae (Family) Palinurus (Genus)