Silurian
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/silurian
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Pridoli
Pridoli (older bound-418.7 +/-2.7 Ma, younger bound-416 +/-2.8 Ma)
IUGS /CGI value
CodeListValue
Ludlow
Ludlow (older bound-422.9 +/-2.5 Ma, younger bound-418.7 +/-2.7 Ma)
IUGS /CGI value
CodeListValue
Wenlock
Wenlock (older bound-428.2 +/-2.3 Ma, younger bound-422.9 +/-2.5 Ma)
IUGS /CGI value
CodeListValue
Llandovery
Llandovery (older bound-443.7 +/-1.5 Ma, younger bound-428.2 +/-2.3 Ma)
IUGS /CGI value
CodeListValue
CodeListValue