Cr
- †Cranocephalites
- †Craspedites
- †Craspedodiscus
- †Crassiceras
- †Crassiplanulites
- †Crassotornoceras
- †Cravenites
- †Cravenoceras
- †Cravenoceratoides
- †Creniceras
- †Crickites
- †Crimites
- †Crioceras
- †Crioceratites
- †Cruasiceras
- †Crucilobiceras
- †Crussoliceras
- †Cryptoclymenia
- †Cryptotexanites
[edit]