Permian

https://www.wikidata.org/wiki/Q76402

Field Hierarchy

Parent
Biology 35.7M papers	Geology 9.4M papers	Paleontology 5.4M papers	Geomorphology 928k papers
Structural basin 598k papers
Current
Permian 29.3k papers
Child
Early Triassic 3,048 papers		Pangaea 874 papers

Trends

Notes

History