Sedimentary rocks can be constituted-of-or-filled-with cretaceous age.Logical formLearned from3 sentences. Tyrannosaurids can be cretaceous.Logical formLearned from3 sentences. (Sauropod dinosaur) can be from a cretaceous period.Logical formLearned from3 sentences. Stages may pertain-to a late cretaceous period.Logical formLearned from3 sentences. A cretaceous period may undergo a formation.Logical formLearned from3 sentences. A period can be cretaceous.Logical formLearned from3 sentences. Coelurosaurs can be cretaceous.Logical formLearned from3 sentences. A fish can be cretaceous.Logical formLearned from3 sentences. A date can be cretaceous.Logical formLearned from3 sentences. A marl can be cretaceous.Logical formLearned from3 sentences. Climates can be cretaceous.Logical formLearned from3 sentences. Skies can be cretaceous.Logical formLearned from3 sentences. Assemblages can be cretaceous.Logical formLearned from3 sentences. Predators can be cretaceous.Logical formLearned from3 sentences. A (sea turtle) can be cretaceous.Logical formLearned from3 sentences.