Columbia subject headings:
Harvard subject headings:
Geology, Stratigraphic--Pliocene
Limestone--New Zealand--North Island.
Paleontology, Stratigraphic.
Paleontology--Pliocene
Scallops, Fossil--New Zealand--North Island.
Princeton subject headings:
Geology, Stratigraphic--Pliocene.
Limestone--New Zealand--North Island.
Paleontology, Stratigraphic.
Paleontology--Pliocene.
Scallops, Fossil--New Zealand--North Island.