Pragian
General info
Belongs to
Type chronostratigraphy
Rank Stage
Scope global
Status formal standard
Author Chlupac & Oliver
Year 1989
Etymon Prague, city in Czech Republic
Age top (Ma) 407.6
Age base (Ma) 410.8
Index
d2
Date added 2003-04-03
Date changed 2022-11-04