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Sheinwoodian

Hierarchy:Phanerozoic Paleozoic  Silurian   Wenlock
    Sheinwoodian
Classification:Age (as per International Commission on Stratigraphy)
Top:430.5 ± 0.7 Ma
Base:433.4 ± 0.8 Ma
Preceeds:Homerian
Follows:Llandovery Telychian
GSSP:Hughley Brook, UK
GSSP location:52.5811°N, 2.6389°W
GSSP link:View Global Boundary Stratotype Section and Point of the International Commission on Stratigraphy
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
AnimaliaAnnelida Polychaeta24
AnimaliaArthropoda Arachnida9
AnimaliaArthropoda Branchiopoda2
AnimaliaArthropoda Cephalocarida1
AnimaliaArthropoda Diplopoda5
AnimaliaArthropoda Malacostraca10
AnimaliaArthropoda Maxillopoda1
AnimaliaArthropoda Merostomata1
AnimaliaArthropoda Ostracoda150
AnimaliaArthropoda Pycnogonida3
AnimaliaArthropoda Trilobita262
AnimaliaBrachiopoda Chileata11
AnimaliaBrachiopoda Craniata13
AnimaliaBrachiopoda Lingulata35
AnimaliaBrachiopoda Obolellata2
AnimaliaBrachiopoda Rhynchonellata425
AnimaliaBrachiopoda Strophomenata169
AnimaliaBrachiopoda Tommotiida1 ✝
AnimaliaBryozoa Gymnolaemata10
AnimaliaBryozoa Stenolaemata144
AnimaliaChordata Elasmobranchii1
AnimaliaChordata Holocephali2
AnimaliaChordata Sarcopterygii1
AnimaliaCnidaria Anthozoa359
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa2
AnimaliaCnidaria Scyphozoa3
AnimaliaCnidaria Staurozoa4
AnimaliaEchinodermata Asteroidea26
AnimaliaEchinodermata Crinoidea145
AnimaliaEchinodermata Echinoidea3
AnimaliaEchinodermata Holothuroidea9
AnimaliaEchinodermata Ophiuroidea13
AnimaliaHemichordata Pterobranchia15
AnimaliaMollusca Bivalvia169
AnimaliaMollusca Cephalopoda140
AnimaliaMollusca Gastropoda338
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora11
AnimaliaMollusca Scaphopoda4
AnimaliaNemertea Hoplonemertea1
AnimaliaPorifera Calcarea2
AnimaliaPorifera Demospongiae21
AnimaliaPorifera Hexactinellida36
BacteriaCyanobacteria Cyanophyceae8
ChromistaForaminifera Globothalamea3
ChromistaForaminifera Monothalamea10
ChromistaForaminifera Tubothalamea8
ChromistaMyzozoa Dinophyceae2
ChromistaRadiozoa Polycystina14
FungiAscomycota Sordariomycetes1
PlantaeChlorophyta Chlorophyceae3
PlantaeChlorophyta Ulvophyceae18
PlantaeRhodophyta Florideophyceae7
PlantaeRhodophyta Rhodophyceae1
PlantaeTracheophyta Magnoliopsida5
 

Geologic Events

Event NameTypeAgeArea
Ordovician–Silurian extinction events (concludes)Mass Extinction Event~455 - ~430 MaGlobal
Caledonian orogeny (concludes)Orogeny~505 - ~400 MaEurope


Overview of geological time

List all geological events
 
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