01 Patella pellucida. Shell of veliger larva, Growth Stage 1 (GS1). Drawing based on Lebour (1937).

01 Patella pellucida. Shell of veliger larva, Growth Stage 1 (GS1). Drawing based on Lebour (1937).

Up to 0.2mm diameter. Initially a translucent, smooth bowl shape, rapidly becoming slightly spiral with barely more than one whorl.