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Pennsylvanian

Hierarchy:Phanerozoic Paleozoic  Carboniferous
   Pennsylvanian
Classification:Epoch (as per International Commission on Stratigraphy)
Top:298.9 ± 0.15 Ma
Base:323.2 ± 0.4 Ma
Preceeds:Permian Cisuralian  Asselian
Follows:Mississippian Serpukhovian
Primary Divisions:GzhelianKasimovianMoscovianBashkirian
FGDC code:*
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
AnimaliaAnnelida Clitellata6
AnimaliaAnnelida Polychaeta29
AnimaliaArthropoda Arachnida303
AnimaliaArthropoda Branchiopoda14
AnimaliaArthropoda Cephalocarida1
AnimaliaArthropoda Chilopoda2
AnimaliaArthropoda Insecta1,708
AnimaliaArthropoda Malacostraca19
AnimaliaArthropoda Maxillopoda6
AnimaliaArthropoda Ostracoda287
AnimaliaArthropoda Pycnogonida1
AnimaliaArthropoda Remipedia1
AnimaliaArthropoda Trilobita38
AnimaliaBrachiopoda Chileata5
AnimaliaBrachiopoda Craniata7
AnimaliaBrachiopoda Lingulata30
AnimaliaBrachiopoda Rhynchonellata458
AnimaliaBrachiopoda Strophomenata459
AnimaliaBryozoa Gymnolaemata15
AnimaliaBryozoa Stenolaemata208
AnimaliaChordata Actinopterygii27
AnimaliaChordata Reptilia29
AnimaliaChordata Sarcopterygii2
AnimaliaCnidaria Anthozoa297
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa3
AnimaliaCnidaria Scyphozoa1
AnimaliaCnidaria Staurozoa6
AnimaliaEchinodermata Asteroidea13
AnimaliaEchinodermata Crinoidea328
AnimaliaEchinodermata Echinoidea12
AnimaliaEchinodermata Holothuroidea60
AnimaliaEchinodermata Ophiuroidea13
AnimaliaHemichordata Enteropneusta7
AnimaliaHemichordata Pterobranchia2
AnimaliaMollusca Bivalvia373
AnimaliaMollusca Cephalopoda965
AnimaliaMollusca Gastropoda750
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora21
AnimaliaMollusca Scaphopoda12
AnimaliaPorifera Calcarea2
AnimaliaPorifera Hexactinellida40
BacteriaCyanobacteria Cyanophyceae9
ChromistaForaminifera Globothalamea34
ChromistaForaminifera Monothalamea25
ChromistaForaminifera Tubothalamea203
ChromistaHaptophyta Prymnesiophyceae2
ChromistaMyzozoa Dinophyceae2
ChromistaRadiozoa Polycystina28
FungiAscomycota Dothideomycetes1
PlantaeChlorophyta Chlorophyceae3
PlantaeChlorophyta Trebouxiophyceae1
PlantaeChlorophyta Ulvophyceae31
PlantaeRhodophyta Florideophyceae10
PlantaeRhodophyta Rhodophyceae9
PlantaeTracheophyta Cycadopsida1
PlantaeTracheophyta Ginkgoopsida3
PlantaeTracheophyta Lycopodiopsida3
PlantaeTracheophyta Magnoliopsida5
PlantaeTracheophyta Pinopsida7
PlantaeTracheophyta Polypodiopsida25
Winged insects radiate suddenly; some (esp. Protodonata and Palaeodictyoptera) are quite large. Amphibians common and diverse. First reptiles and coal forests (scale trees, ferns, club trees, giant horsetails, Cordaites, etc.). Highest-ever atmospheric oxygen levels.Goniatites, brachiopods, bryozoa, bivalves, and corals plentiful in the seas and oceans. Testate forams proliferate. Uralian orogeny in Europe and Asia. Variscan orogeny occurs towards middle and late Mississippian Periods.
 

Geologic Events

Event NameTypeAgeArea
Mauritanide Belt orogeny (concludes)Orogeny~320 - ~270 MaWest Africa
Uralian orogeny (concludes)Orogeny~320 - ~175 MaRussia
Pangaea assembly (ongoing)Continental Assembly335 - 272 MaGlobal
Variscan/Hercynian orogeny (concludes)Orogeny~400 - ~280 MaEurope/North America


Overview of geological time

List all geological events
 
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