Columbia subject headings:
Geology, Stratigraphic--Devonian.
Geology, Stratigraphic--Precambrian.
Geology--Australia.
Geology--New Zealand.
Harvard subject headings:
Geology, Stratigraphic--Paleozoic
Geology, Stratigraphic--Precambrian
Geology--Antarctica
Geology--Australia
Geology--New Zealand
Princeton subject headings:
Geology, Stratigraphic--Paleozoic.
Geology, Stratigraphic--Precambrian.
Geology--Australia.
Geology--New Zealand.