- †Corviconodon
utahensis – type
locality for
species Cossmannea †
Cossmannea imayi †
Cossmannea imlayi †
Cossmannea kanabensis †Costatoria †Cowboyiceras – type locality...
- for
species †Coscaites †Coscaites cr****us – type
locality for
species Cossmannea †Cryptaulax †Cryptaulax
acutus – type
locality for
species †Cryptaulax...
- †Cosmasyrinx †Cosmetalepas †Cosmocerithium †Cosmolithes †Cosmophiline †
Cossmannea †Cossmannia †Cossmannica †Costaella
Costellaria †Costoanachis †Costosyrnola...
- †Cornophyllum †Cornophyllum
wardii †Corosaurus †Corosaurus
alcovensis Cossmannea Cr****atella †Cr****atella
evansi †Cr****identiculum †Cr****identiculum aquilae...