Common Jingle Shell 
Common octopus 
Common Pacific Vase 
Common periwinkle 
Common Pipi 
Common Southern Carnivorous Snail 
Common Southern Cockle 
Common Sydney Octopus 
Common Tent Shell 
Common Warrener 
Conical Sand Snail 
Conuber incei 
Copse Snail 
Coptocheilus sectilabris 
Coriocella hibyae 
Corona incisa 
Coryphellina arveloi 
Coryphellina flamma 
Coryphellina lotos 
Costasiella formicaria 
Costasiella fridae 
Costasiella kuroshimae 
Costasiella usagi 
Crassostrea tulipa