Columbia subject headings:
Harvard subject headings:
Geology, Stratigraphic--Permian
Geology, Stratigraphic--Triassic
Paleobiogeography.
Paleontology--Permian
Paleontology--Triassic
Tethys (Paleogeography)
Princeton subject headings:
Geology, Stratigraphic--Paleozoic.
Geology--Pakistan.
Tethys (Paleogeography)