Stratigraphy
Llandovery
Belongs to
Silurian
Typechronostratigraphy
RankSeries
Original rankladestik
Scopeglobal
Statusformal standard
EtymonDyfed, southern Wales
Age top (Ma)433.4
Age base (Ma)443.8
Age (Ma)
Silurian
Index
S1
Alt. index
S1
Date changed2022-12-28
Quick search
About
News
Browse Geocollections
Localities
Sites
Drillcores
Samples
Analyses
Analytical data
Datasets
Taxa
Stratigraphy
Photo Archive
Specimens
Preparations
Areas
Other e-services
Geocollections
Geoscience Literature
Geology of Estonia
Geoloogiafond
Baltoscandian Fossils
Minerals and Rocks
Stratigraphy
Land Board Data
SARV-DOI
TURBA
GeoCASe
EUROCORE
SARV Workbench
SARV Public API
Partners
All materials in the portal are mostly for free usage according to CC BY-SA licence, unless indicated otherwise. Portal is part of NATARC national research infrastructure and geoscience data platform SARV, hosted by TalTech cloud. Built using Nuxt.js, source code available on GitHub.