Lower Devonian
General info
Belongs to
Type chronostratigraphy
Rank Series
Scope global
Status formal standard
Age top (Ma) 393.3
Age base (Ma) 419.2
Age (Ma)
Index
D1
Alt. index
D1
Date changed 2022-11-04
StratigraphyIndexIndex add'lTypeRankScopeBelongs toAge base (Ma)Age top (Ma)Age
Baltic Lower Devonian
D1
chronostratigraphy
Series
regional
Baltic Devonian 417 391
Lower Devonian
Tilze Stage
D1TL
chronostratigraphy
Stage
regional
Baltic Lower Devonian 416 408
Lower Devonian
Kemeri Stage
D1KM
chronostratigraphy
Stage
regional
Baltic Lower Devonian 408 400
Lower Devonian
Rezekne Stage
chronostratigraphy
Stage
regional
Baltic Lower Devonian 400 391
Lower Devonian