Permian

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

Field Hierarchy

Parent
Biology 36.5M papers	Geology 10.5M papers	Paleontology 5.6M papers	Geomorphology 989k papers
Structural basin 626k papers
Current
Permian 30.9k papers
Child
Early Triassic 3,103 papers		Pangaea 976 papers

Trends

Notes

History