Permian

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

Field Hierarchy

Parent
Biology 36.7M papers	Geology 10.6M papers	Paleontology 5.6M papers	Geomorphology 992k papers
Structural basin 628k papers
Current
Permian 31k papers
Child
Early Triassic 3,109 papers		Pangaea 978 papers

Trends

Notes

History