Extinction event
Geology
Paleontology
Chemostratigraphy
Permian
Sedimentary rock
Early Triassic
Volcanism
Global Boundary Stratotype Section and Point
Horizon
Conodont
Phanerozoic
Permian–Triassic extinction event
Geochemistry
Isotopes of carbon
Total organic carbon
Biostratigraphy
Tectonics
Cenozoic
Chemistry
Biological dispersal
Population
Demography
Astronomy
Sociology
Environmental chemistry
Physics
Structural basin