Aptian

https://www.wikidata.org/wiki/Q622265

Field Hierarchy

Parent
Biology 34.8M papers	Geology 9.1M papers	Paleontology 5.3M papers	Geomorphology 904k papers
Structural basin 585k papers		Cretaceous 76.1k papers
Current
Aptian 4,388 papers
Child

Trends

Notes

History