Middle Ordovician
General info
Belongs to
Ordovician
Type chronostratigraphy
Rank Series
Scope global
Status informal standard
Age top (Ma) 458.4
Age base (Ma) 470
Index
O2
Alt. index
O2
Date added 2003-03-23
Date changed 2022-11-04
References (2)Sub units (2)Related units (1)Specimens (22952)Samples (7056)
NumberNameLocalityDepth (m)StratigraphyImage
TUG 134-905 Brachiopoda Paldiski Uhaku Stage
TUG 134-882 Platystrophia lynx lynx Kuusalu Lasnamägi Stage
TUG 134-879 Platystrophia lynx lynx Paldiski Lasnamägi Stage
TUG 134-878 Platystrophia lynx lynx Suhkrumägi outcrop Lasnamägi Stage
TUG 134-830 Orthambonites calligramma Pühajõe jõgi Kunda Stage
TUG 134-513 Orthoceras Mäepea Kunda Stage
TUG 863-22 Siphonotreta Petergof Uhaku Stage
TUG 863-21 Brachiopoda Tallinn Uhaku Stage
TUG 863-20 Brachiopoda Tallinn Uhaku Stage
TUG 863-19 Brachiopoda Tallinn Uhaku Stage
TUG 863-18 Cephalopoda Tallinn Aseri Stage
TUG 863-17 Echinosphaerites aurantium Türsamäe Aseri Stage
TUG 863-16 Echinosphaerites aurantium Türsamäe Aseri Stage
TUG 863-15 Echinosphaerites aurantium Ontika cliff Uhaku Stage
TUG 863-14 Echinosphaerites aurantium Ontika cliff Uhaku Stage
TUG 863-13 Echinosphaerites aurantium Ontika cliff Uhaku Stage
TUG 863-12 Echinosphaerites aurantium Ontika cliff Uhaku Stage
TUG 863-11 Echinosphaerites aurantium Türsamäe Uhaku Stage
TUG 863-10 Echinosphaerites aurantium Türsamäe Uhaku Stage
TUG 863-9 Echinosphaerites aurantium Türsamäe Uhaku Stage
TUG 863-8 Echinosphaerites aurantium Türsamäe Uhaku Stage
TUG 863-6 Gastropoda Tallinn Kunda Stage
TUG 863-5 Gastropoda Voka Kunda Stage
TUG 863-4 Gastropoda Tallinn Kunda Stage
TUG 863-3 Gastropoda Tallinn Kunda Stage
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