Callinera buergeri
Carcinonemertes carcinophila
Carinina arenaria
Carinina coei
Carinoma armandi
Cephalothrix arenaria
Cephalothrix linearis
Cephalothrix rufifrons
Cerebratulus fuscus
Cerebratulus marginatus
Cestoplana rubrocincta
Cryptocelides loveni
Cryptocelis arenicola – synonym of Cryptocelis equiheni
Cryptocelis equiheni
Cycloporus maculatus
Cycloporus papillosus