Sea Shells 
of New Zealand 
Diagram of 
Spiral 
Univalve, 
hell 
Outer Lip 
LEFT ST VALVE 
Dorsal Margin 
LL 
Diagram of 
Adductor Scar 6Bivalve, 
Shell 
Pallial Line 
Pallial Sinus Ventral Margin 
RIGHT Gi VALVE 
Umbo 
Beak’ 
