Re This can be translated as Strombus S with a shell testae having a retuse retuso short brevi rounded rotundato lip labro and que a smooth laevi spire spira Almost but testae is genitive and laevus a um is left left handed not smooth which is levis leve So for S testae labro rotundato brevi retuso spiraque laevi try S with the lip of the shell rounded short retuse and a left hand spiral