Green Mussel View fullsize Learn More About Viewing Our 3D Images (2”) 5 cmPerna viridis (L., 1758).Indian Ocean to Southwest Pacific.Shallow water; common.Syn.: smaragdinus Gmelin. Single tooth in right valve. Learn to read shell descriptions Kingdom: AnimaliaPhylum: MolluscaClass: BivalviaOrder: MytilidaFamily: MytilidaeGenus: PernaSpecies: P. viridis