Which geological period is named after the chalk laid down?
Cretaceous System Cretacious Era Cretacous Cretaceous Period Early-Late Cretaceous Middle Cretaceous Cretaceous (geology) Cretaceous Age Cretaceous period Cretacaeous Cretaceous Cretacious Cretaceous Africa Creataceous
cretacious middle cretaceous creataceous cretaceous system cretaceous africa cretaceous period cretaceous cretacious era cretacaeous cretacous cretaceous age cretaceous geology early late cretaceous
cretaceous
WikipediaEntity
Cretaceous