Introduction to the Cenozoic 65 Million Years to the Present The Cenozoic is the most recent of the three major subdivisions of animal history. The other two are the Paleozoic and Mesozoic. The Cenozoic spans only about 65 million years, from the end of the Cretaceous and the extinction of non-avian dinosaurs to the present. The Cenozoic is sometimes called the Age of Mammals, because the ...

A resource for current studies on New Zealand Neogene - Recent foraminifera and biostratigraphy. Includes abstracts, reviews, summaries and extracts from work in progress, commentaries ...