information about Carboniferous field
Field Hierarchy
Parent | |||
---|---|---|---|
Biology 36M papers | Geology 10.4M papers | Paleontology 5.5M papers | Geomorphology 976k papers |
Structural basin 617k papers | |||
Current | |||
Carboniferous 25.5k papers | |||
Child | |||
Late Devonian extinction 4,239 papers | Westphalian sovereignty 1,805 papers | Viséan 1,457 papers | Tournaisian 1,144 papers |
Trends
Notes
History