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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 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 Polychaeta20
AnimaliaArthropoda Arachnida6
AnimaliaArthropoda Branchiopoda2
AnimaliaArthropoda Cephalocarida1
AnimaliaArthropoda Malacostraca10
AnimaliaArthropoda Ostracoda145
AnimaliaArthropoda Trilobita461
AnimaliaBrachiopoda Chileata11
AnimaliaBrachiopoda Craniata20
AnimaliaBrachiopoda Lingulata44
AnimaliaBrachiopoda Obolellata2
AnimaliaBrachiopoda Rhynchonellata678
AnimaliaBrachiopoda Strophomenata310
AnimaliaBryozoa Gymnolaemata11
AnimaliaBryozoa Stenolaemata194
AnimaliaCnidaria Anthozoa458
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa2
AnimaliaCnidaria Scyphozoa2
AnimaliaCnidaria Staurozoa3
AnimaliaEchinodermata Asteroidea34
AnimaliaEchinodermata Crinoidea221
AnimaliaEchinodermata Echinoidea4
AnimaliaEchinodermata Holothuroidea9
AnimaliaEchinodermata Ophiuroidea13
AnimaliaHemichordata Pterobranchia2
AnimaliaMollusca Bivalvia209
AnimaliaMollusca Cephalopoda219
AnimaliaMollusca Gastropoda394
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora12
AnimaliaMollusca Scaphopoda4
AnimaliaPorifera Calcarea3
AnimaliaPorifera Hexactinellida23
BacteriaCyanobacteria Cyanophyceae8
ChromistaForaminifera Globothalamea3
ChromistaForaminifera Monothalamea10
ChromistaForaminifera Tubothalamea8
ChromistaMyzozoa Dinophyceae2
ChromistaRadiozoa Polycystina17
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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