Dinosaurs can be from a late cretaceous period.Logical formLearned from3 sentences. Seas can be cretaceous.Logical formLearned from3 sentences. A plateau can be constituted-of-or-filled-with cretaceous age.Logical formLearned from3 sentences. A genera can be cretaceous.Logical formLearned from3 sentences. A person may end_up in a cretaceous period.Logical formLearned from3 sentences. A cretaceous period may be ended by a mass-extinction event.Logical formLearned from3 sentences. Mantises can be from a cretaceous period.Logical formLearned from3 sentences. A lake can be cretaceous.Logical formLearned from3 sentences. A dinosaur may live during a late cretaceous period.Logical formLearned from3 sentences. A predator can be cretaceous.Logical formLearned from3 sentences. An upland can be cretaceous.Logical formLearned from3 sentences. Dinosaurs may pertain-to cretaceous periods.Logical formLearned from3 sentences. A boundary can be between cretaceous periods.Logical formLearned from3 sentences. Ice may disappear during temperatures of a cretaceous period.Logical formLearned from3 sentences. A (mass extinction) can be at an end of a cretaceous period.Logical formLearned from3 sentences.