A material can be cretaceous.Logical formLearned from2 sentences. Radiolarians can be cretaceous.Logical formLearned from2 sentences. (Rift sediments) can be cretaceous.Logical formLearned from2 sentences. (Plant species) can be cretaceous.Logical formLearned from2 sentences. A raptor can be from a cretaceous period.Logical formLearned from2 sentences. A mass extinction may mark an end of a cretaceous period.Logical formLearned from2 sentences. A shortening can be cretaceous.Logical formLearned from2 sentences. A cretaceous period can be in a country.Logical formLearned from2 sentences. An unit can be cretaceous.Logical formLearned from2 sentences. Sedimentary deposits can be cretaceous.Logical formLearned from2 sentences. A phase can be cretaceous.Logical formLearned from2 sentences. Fossils may pertain-to a cretaceous period.Logical formLearned from2 sentences. An (aquifer system) can be cretaceous.Logical formLearned from2 sentences. (Age sediments) can be cretaceous.Logical formLearned from2 sentences. Some seamounts can be constituted-of-or-filled-with cretaceous age.Logical formLearned from2 sentences.