Silurian
The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at 443.8 million years ago (Mya), to the beginning of the Devonian Period, 419.2 Mya. As with other geologic periods, the rock beds that define the period's start and end are well identified, but the exact dates are uncertain by several million years. The base of the Silurian is set at a major Ordovician-Silurian extinction events when 60% of marine species were wiped out.
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Akron FormationAnse Cascon FormationAnse a Pierre FormationAnticosti GroupArisaig GroupAtikameg DolomiteAttawapiskat FormationAymestry Limestone FormationBack Bay FormationBainbridge GroupBarlow Inlet FormationBass Islands GroupBear Creek ShaleBecscie FormationBeechhill Cove FormationBertie GroupBeyrichienkalk FormationBisher FormationBlanding FormationBlumau FormationBowling Green DolomiteBraksoya FormationBrandon Bridge FormationBringewood BedsBronydd FormationBrownsport GroupBruflat FormationBryant Knob FormationByron FormationCabano FormationCabot Head FormationCape Schuchert FormationCedar Lake DolomiteChaleurs GroupChester Bjerg FormationChicotte FormationClarita FormationClemville FormationCloonnamna Formation
age
Ampyx (trilobite)
Balizoma
Buffalopterus
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Deiphon
Erieopterus
Eucalyptocrinites
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Hederellid
Ktenoura
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volcanic arc/belt
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Silurian
The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at 443.8 million years ago (Mya), to the beginning of the Devonian Period, 419.2 Mya. As with other geologic periods, the rock beds that define the period's start and end are well identified, but the exact dates are uncertain by several million years. The base of the Silurian is set at a major Ordovician-Silurian extinction events when 60% of marine species were wiped out.
has abstract
Das Silur ist in der Erdgeschi ...... vom System des Devon abgelöst.
@de
El Silúrico, es una división d ...... co superior (Ludlow y Prídoli)
@es
Het Siluur is in de geologisch ...... , brachiopoden en trilobieten.
@nl
Le Silurien, parfois anciennem ...... ouches géologiques contestées.
@fr
Na escala de tempo geológico, ...... is antiga para a mais recente.
@pt
Nella Scala dei tempi geologic ...... ciano e seguito dal Devoniano.
@it
Sylur (ang. Silurian) – termin ...... eszkującego Anglię oraz Walię.
@pl
The Silurian is a geologic per ...... landscape until the Devonian.
@en
Силури́йский пери́од (силу́р) ...... пособствовавшие его выделению.
@ru
العصر السيلوري (بالإنجليزية: S ...... برية أو برمائية في هذا العصر.
@ar
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744,177,464
sea level
hypernym
comment
Das Silur ist in der Erdgeschi ...... vom System des Devon abgelöst.
@de
El Silúrico, es una división d ...... yacimientos de petróleo y gas.
@es
Het Siluur is in de geologisch ...... icium en komt voor het Devoon.
@nl
Le Silurien, parfois anciennem ...... tion de l'Ordovicien-Silurien.
@fr
Na escala de tempo geológico, ...... is antiga para a mais recente.
@pt
Nella Scala dei tempi geologic ...... ciano e seguito dal Devoniano.
@it
Sylur (ang. Silurian) – termin ...... graptus ascensus Davies, 1929.
@pl
The Silurian is a geologic per ...... marine species were wiped out.
@en
Силури́йский пери́од (силу́р) ...... вается силури́йской систе́мой.
@ru
العصر السيلوري (بالإنجليزية: S ...... برية أو برمائية في هذا العصر.
@ar
label
Silur
@de
Silurian
@en
Siluriano
@it
Siluriano
@pt
Silurien
@fr
Siluur
@nl
Silúrico
@es
Sylur
@pl
Силурийский период
@ru
عصر سيلوري
@ar