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Classification:Era (as per International Commission on Stratigraphy)
Top:252.17 ± 0.06 Ma
Base:541 ± 1.0 Ma
Preceeds:Mesozoic Triassic  Early Triassic   Induan
Follows:Precambrian Proterozoic  Neoproterozoic   Ediacaran
Primary Divisions:PermianCarboniferousDevonianSilurianOrdovicianCambrian
FGDC code:|
Fossil Record

Data via PaleoBioDB

Taxa Count Key
First appearance
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
AnimaliaAnnelida Clitellata9
AnimaliaAnnelida Polychaeta77
AnimaliaArthropoda Arachnida454
AnimaliaArthropoda Branchiopoda17
AnimaliaArthropoda Cephalocarida2
AnimaliaArthropoda Chilopoda8
AnimaliaArthropoda Diplopoda13
AnimaliaArthropoda Entognatha4
AnimaliaArthropoda Insecta5,028
AnimaliaArthropoda Malacostraca91
AnimaliaArthropoda Maxillopoda14
AnimaliaArthropoda Merostomata1
AnimaliaArthropoda Ostracoda1,596
AnimaliaArthropoda Pycnogonida6
AnimaliaArthropoda Remipedia4
AnimaliaArthropoda Trilobita6,661
AnimaliaBrachiopoda Chileata39 ✝
AnimaliaBrachiopoda Craniata63
AnimaliaBrachiopoda Kutorginata23 ✝
AnimaliaBrachiopoda Lingulata561
AnimaliaBrachiopoda Obolellata23 ✝
AnimaliaBrachiopoda Rhynchonellata5,284
AnimaliaBrachiopoda Strophomenata4,182
AnimaliaBrachiopoda Tommotiida26 ✝
AnimaliaBryozoa Gymnolaemata23
AnimaliaBryozoa Stenolaemata1,939
AnimaliaChordata Actinopterygii72
AnimaliaChordata Amphibia128
AnimaliaChordata Ascidiacea1
AnimaliaChordata Cephalaspidomorphi6
AnimaliaChordata Elasmobranchii9
AnimaliaChordata Holocephali5
AnimaliaChordata Myxini1
AnimaliaChordata Reptilia614
AnimaliaChordata Sarcopterygii11
AnimaliaCnidaria Anthozoa2,568
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa17
AnimaliaCnidaria Scyphozoa27
AnimaliaCnidaria Staurozoa33
AnimaliaEchinodermata Asteroidea137
AnimaliaEchinodermata Crinoidea1,412
AnimaliaEchinodermata Echinoidea54
AnimaliaEchinodermata Holothuroidea150
AnimaliaEchinodermata Ophiuroidea102
AnimaliaHemichordata Enteropneusta7
AnimaliaHemichordata Pterobranchia26
AnimaliaMollusca Bivalvia2,210
AnimaliaMollusca Cephalopoda4,986
AnimaliaMollusca Gastropoda4,733
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora143
AnimaliaMollusca Scaphopoda31
AnimaliaNematoda Adenophorea4
AnimaliaPorifera Calcarea25
AnimaliaPorifera Demospongiae158
AnimaliaPorifera Hexactinellida380
BacteriaCyanobacteria Cyanophyceae15
ChromistaForaminifera Globothalamea61
ChromistaForaminifera Monothalamea34
ChromistaForaminifera Tubothalamea519
ChromistaHaptophyta Prymnesiophyceae2
ChromistaMyzozoa Dinophyceae2
ChromistaRadiozoa Polycystina274
FungiAscomycota Dothideomycetes1
FungiAscomycota Sordariomycetes1
PlantaeCharophyta Charophyceae3
PlantaeChlorophyta Chlorophyceae6
PlantaeChlorophyta Trebouxiophyceae2
PlantaeChlorophyta Ulvophyceae88
PlantaeMarchantiophyta Marchantiopsida1
PlantaeRhodophyta Florideophyceae18
PlantaeRhodophyta Rhodophyceae31
PlantaeTracheophyta Cycadopsida6
PlantaeTracheophyta Ginkgoopsida13
PlantaeTracheophyta Gnetopsida4
PlantaeTracheophyta Lycopodiopsida20
PlantaeTracheophyta Magnoliopsida7
PlantaeTracheophyta Pinopsida22
PlantaeTracheophyta Polypodiopsida59

Geologic Events

Event NameTypeAgeArea
Hunter-Bowen orogeny (begins)Orogeny260 - 225 MaAustralia
Mauritanide Belt orogeny (concludes)Orogeny~320 - ~270 MaWest Africa
Uralian orogeny (concludes)Orogeny~320 - ~175 MaRussia
Pangaea assemblyContinental Assembly335 - 272 MaGlobal
Charlevoix impactImpact Event342 ± 15 MaQuebec, Canada
Late Devonian extinction (concludes)Mass Extinction Event~375 - ~360 MaGlobal
Siljan impactImpact Event376.8 ± 1.7 MaSweden
Variscan/Hercynian orogeny (concludes)Orogeny~400 - ~280 MaEurope/North America
Ordovician–Silurian extinction events (concludes)Mass Extinction Event~455 - ~430 MaGlobal
Caledonian orogeny (concludes)Orogeny~505 - ~400 MaEurope
Cambrian explosionEvolutionary event541 - 513 ± 3 MaGlobal
Gondwana formation (concludes)Continental Assembly~550 - ~500 MaGlobal
Damara orogeny (concludes)Orogeny~550 - ~495 MaNamibia
Zambezi Belt orogeny (late) (concludes)Orogeny~550 - ~520 MaZambia and Zimbabwe
Ross orogeny (concludes)Orogeny~550 - ~480 MaAntarctica
Cadomian orogeny (concludes)Orogeny~660 - ~540 MaEurope
Pannotia supercontinent (concludes)Supercontinent750 - 530 MaGlobal

Overview of geological time

List all geological events
Mineral and/or Locality  
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