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Llandovery

Hierarchy:Phanerozoic Paleozoic  Silurian
   Llandovery
Classification:Epoch (as per International Commission on Stratigraphy)
Top:433.4 ± 0.8 Ma
Base:443.8 ± 1.5 Ma
Preceeds:Wenlock Sheinwoodian
Follows:Ordovician Late/Upper Ordovician  Hirnantian
Primary Divisions:TelychianAeronianRhuddanian
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
AnimaliaAnnelida Polychaeta21
AnimaliaArthropoda Arachnida6
AnimaliaArthropoda Branchiopoda2
AnimaliaArthropoda Cephalocarida1
AnimaliaArthropoda Malacostraca10
AnimaliaArthropoda Merostomata1
AnimaliaArthropoda Ostracoda145
AnimaliaArthropoda Trilobita463
AnimaliaBrachiopoda Chileata11
AnimaliaBrachiopoda Craniata20
AnimaliaBrachiopoda Lingulata45
AnimaliaBrachiopoda Obolellata2
AnimaliaBrachiopoda Rhynchonellata679
AnimaliaBrachiopoda Strophomenata310
AnimaliaBrachiopoda Tommotiida1 ✝
AnimaliaBryozoa Gymnolaemata11
AnimaliaBryozoa Stenolaemata195
AnimaliaChordata Elasmobranchii1
AnimaliaChordata Holocephali2
AnimaliaChordata Sarcopterygii1
AnimaliaCnidaria Anthozoa458
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa2
AnimaliaCnidaria Scyphozoa3
AnimaliaCnidaria Staurozoa4
AnimaliaEchinodermata Asteroidea34
AnimaliaEchinodermata Crinoidea221
AnimaliaEchinodermata Echinoidea4
AnimaliaEchinodermata Holothuroidea9
AnimaliaEchinodermata Ophiuroidea13
AnimaliaHemichordata Pterobranchia20
AnimaliaMollusca Bivalvia209
AnimaliaMollusca Cephalopoda219
AnimaliaMollusca Gastropoda395
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora12
AnimaliaMollusca Scaphopoda4
AnimaliaNemertea Hoplonemertea1
AnimaliaPorifera Calcarea3
AnimaliaPorifera Demospongiae15
AnimaliaPorifera Hexactinellida27
BacteriaCyanobacteria Cyanophyceae8
ChromistaForaminifera Globothalamea3
ChromistaForaminifera Monothalamea10
ChromistaForaminifera Tubothalamea8
ChromistaMyzozoa Dinophyceae2
ChromistaRadiozoa Polycystina28
FungiAscomycota Sordariomycetes1
PlantaeChlorophyta Chlorophyceae3
PlantaeChlorophyta Ulvophyceae19
PlantaeRhodophyta Florideophyceae3
PlantaeRhodophyta Rhodophyceae1
PlantaeTracheophyta Magnoliopsida2
 

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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