- Olsson, 1930 †
Clavellofusus Grabau, 1904 †
Clavilithes Swainson, 1840 †
Cosmolithes Grabau, 1904 †
Mancorus Olsson, 1931 †
Papillina Conrad, 1855 † Perulithes...
- †Coronopsis †Corsania †Cortinella †Cosmasyrinx †Cosmetalepas †Cosmocerithium †
Cosmolithes †Cosmophiline †Cossmannea †Cossmannia †Cossmannica †Costaella Costellaria...
