Columbia subject headings:
Geology, Stratigraphic--Cenozoic.
Paleogeography.
Paleontology--Cenozoic.
Harvard subject headings:
Geology, Stratigraphic--Cenozoic
Paleogeography.
Paleontology--Cenozoic
Princeton subject headings:
Geology, Stratigraphic--Cenozoic.
Paleogeography.
Paleontology--Cenozoic.