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Glossary entry

Stratigraphic time

Millions years ago: 445.2 ±1.4 – 443.8 ±1.5

Ordovician > Upper Ordovician

EdCaCaCaCaOrOrOrSiSiSiSiDeDeDeCarCarPePePeTrTrTrJuJuJuCreCrePalEoOlMiPliPleHol


Eon Era System Period Series Epoch Stage Millions
years ago
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Upper Ordovician Hirnantian 443.8±1.5
Katian 445.2±1.4
Sandbian 453±0.7
Middle Ordovician Darriwilian 458.4±0.9
Dapingian 467.3±1.1
Lower Ordovician Floian 470±1.4
Tremadocian 477.7±1.4

CZ  

United Kingdom stratigraphy
Ashgill (Katian – Hirnantian)Hirnantian (Hirnantian)
Rawtheyan (Katian)
Cautleyan (Katian)
Pusgillian (Katian)
Caradoc (Sandbian – Katian)Streffordian (Katian)
Cheneyan (Katian)
Burrellian (Sandbian – Katian)
Aurelucian (Sandbian)
Llanvirn (Darriwilian)Llandeilian (Darriwilian)
Abereiddian (Darriwilian)
Arenig (Floian – Darriwilian)Fennian (Dapingian – Darriwilian)
Whitlandian (Floian – Dapingian)
Moridunian (Floian)
Tremadoc (Tremadoc)Migneintian (Tremadoc)
Cressagian (Tremadoc)

China
Hirnantian (Hirnantian)
Chientangkiangian (Katian)
Neichiashanian (Sandbian – Katian)
Darriwilian (Darriwilian)
Dapingian (Dapingian)
Yiyangian (Floian)
Xinchangian (Tremadoc)

Preceded by
Followed by
Is part of

Lithostratigraphy

Morocco: Upper Second Bani formation, Lower Second Bani formation, South Africa: Cederberg formation, Spain: Orea formation, Los Puertos formation, Russia: Bratsk formation, United Kingdom: High Mains formation, Czechia: Kosov formation, Králův Dvůr formation, France: Cosquer formation, Sweden: Lindegård formation, Loka formation, Norway: Husbergøya formation, Langøyene formation, United States of America: Fort Atkinson formation, Effna formation, Neda formation, Leemon formation, Paraguay: Eusebio Ayala formation, Bolivia: Cuchupunata formation, Cancañiri formation, Argentina: Alcaparrosa formation, La Chilca formation, Don Braulio formation, Viet Nam: Phu Ngu formation, Iran: Ghelli formation, China: Wenchang formation, Lungmachi formation, Yankou formation, Kazakhstan: Karakongoi formation, Zhalair formation, Oro formation, Myanmar: Panghsa-pye formation, Nyaungbaw formation, Linwe formation, Kyaingtaung formation, Kunlein formation, Nan-on formation

List of taxa

Number of records
Taxa5

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