Permian

Bibliographic references: 
absolute age of base: 
299000ky
error in absolute age of base: 
0%
rank: 

Period/System

status: 
global
Underlying unit: 
Glossary: 

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith