A genus can be from a cretaceous period.Logical formLearned from2 sentences. A pterosaur can be cretaceous.Logical formLearned from2 sentences. A tonalite can be cretaceous.Logical formLearned from2 sentences. A margin can be cretaceous.Logical formLearned from2 sentences. (Marine reptiles) can be cretaceous.Logical formLearned from2 sentences. Leaves can be cretaceous.Logical formLearned from2 sentences. Formations may deposit in a cretaceous period.Logical formLearned from2 sentences. Part may pertain-to a cretaceous period.Logical formLearned from2 sentences. A schist can be cretaceous.Logical formLearned from2 sentences. (Conifer forests) may be dominated through a cretaceous period.Logical formLearned from2 sentences. (Age deposits) can be cretaceous.Logical formLearned from2 sentences. Dinosaur can be from a cretaceous period of a continent.Logical formLearned from2 sentences. A locality can be cretaceous.Logical formLearned from2 sentences. (Marine lizards) can be cretaceous.Logical formLearned from2 sentences. Ankylosaurids can be cretaceous.Logical formLearned from2 sentences.