Dinosaurs can be from a cretaceous period.Logical formLearned from6 sentences. A dinosaur can be from a cretaceous period.Logical formLearned from6 sentences. A team may make a discovery of (dinosaur remains) from a cretaceous period.Logical formLearned from6 sentences. A basement can be cretaceous.Logical formLearned from6 sentences. Sequences can be cretaceous.Logical formLearned from6 sentences. A rifting can be cretaceous.Logical formLearned from6 sentences. An orogeny can be cretaceous.Logical formLearned from6 sentences. Research can be cretaceous.Logical formLearned from5 sentences. A ceratopsian may live during a late cretaceous period.Logical formLearned from5 sentences. A sauropod can be cretaceous.Logical formLearned from5 sentences. Plutonic rocks can be cretaceous.Logical formLearned from5 sentences. Theropods can be cretaceous.Logical formLearned from5 sentences. Stages may pertain-to a cretaceous period.Logical formLearned from5 sentences. An ammonite can be cretaceous.Logical formLearned from5 sentences. A volcanism can be cretaceous.Logical formLearned from5 sentences.