Llandovery
General info
Belongs to
Type chronostratigraphy
Rank Series
Original rank ladestik
Scope global
Status formal standard
Etymon Dyfed, southern Wales
Age top (Ma) 433.4
Age base (Ma) 443.8
Age (Ma)
Index
S1
Alt. index
S1
Date changed 2022-12-28
ReferenceContentYear1PagesRemarks
Gradstein et al., 2004
2004
632 - 670
Gradstein et al., 2012
2012
Melchin et al., 2020
2020
695-732