Uhaku age - Keila age

International Chronostratigraphic TimescaleOrdovician of the Baltic
OrdovicianLate OrdovicianHirnantianHarjuPorkuni443.1
KatianPirgu445.2
Vormsi449.5
NabalaJohvi †449.9
ViruRakvere450.5
Oandu451.8
SandbianKeilaIdavere †452.8
Haljala453.9
Kukruse456.8
UhakuAluoja †458
Middle OrdovicianDarriwilian458.2
Lasnamagi459.7
Aseri461.4
OelandKunda464.3
Valaste †/Hunderum465.9 *
VolkhovLangevoja †/Vaana/Saka469.1 *
Dapingian469.4
Early OrdovicianFloianBillingen471.3 *
Latorp †472.1 *
Hunneberg475.6 *
Tremadocian477.1
Varangu482.9 *
Pakerort483.8 *
486.4 *
486.85