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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 Diplopoda11
AnimaliaArthropoda Entognatha4
AnimaliaArthropoda Insecta1,711
AnimaliaArthropoda Malacostraca20
AnimaliaArthropoda Maxillopoda6
AnimaliaArthropoda Merostomata1
AnimaliaArthropoda Ostracoda287
AnimaliaArthropoda Pycnogonida1
AnimaliaArthropoda Remipedia1
AnimaliaArthropoda Trilobita38
AnimaliaBrachiopoda Chileata6
AnimaliaBrachiopoda Craniata7
AnimaliaBrachiopoda Lingulata31
AnimaliaBrachiopoda Rhynchonellata459
AnimaliaBrachiopoda Strophomenata460
AnimaliaBryozoa Gymnolaemata15
AnimaliaBryozoa Stenolaemata208
AnimaliaChordata Actinopterygii30
AnimaliaChordata Amphibia39
AnimaliaChordata Cephalaspidomorphi4
AnimaliaChordata Elasmobranchii5
AnimaliaChordata Holocephali2
AnimaliaChordata Myxini1
AnimaliaChordata Reptilia70
AnimaliaChordata Sarcopterygii7
AnimaliaCnidaria Anthozoa297
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa3
AnimaliaCnidaria Scyphozoa2
AnimaliaCnidaria Staurozoa13
AnimaliaEchinodermata Asteroidea13
AnimaliaEchinodermata Crinoidea328
AnimaliaEchinodermata Echinoidea12
AnimaliaEchinodermata Holothuroidea60
AnimaliaEchinodermata Ophiuroidea13
AnimaliaHemichordata Enteropneusta7
AnimaliaHemichordata Pterobranchia2
AnimaliaMollusca Bivalvia377
AnimaliaMollusca Cephalopoda965
AnimaliaMollusca Gastropoda750
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora21
AnimaliaMollusca Scaphopoda12
AnimaliaNematoda Adenophorea1
AnimaliaPorifera Calcarea2
AnimaliaPorifera Demospongiae21
AnimaliaPorifera Hexactinellida48
BacteriaCyanobacteria Cyanophyceae9
ChromistaForaminifera Globothalamea34
ChromistaForaminifera Monothalamea25
ChromistaForaminifera Tubothalamea206
ChromistaHaptophyta Prymnesiophyceae2
ChromistaMyzozoa Dinophyceae2
ChromistaRadiozoa Polycystina30
FungiAscomycota Dothideomycetes1
PlantaeChlorophyta Chlorophyceae3
PlantaeChlorophyta Trebouxiophyceae1
PlantaeChlorophyta Ulvophyceae31
PlantaeRhodophyta Florideophyceae10
PlantaeRhodophyta Rhodophyceae9
PlantaeTracheophyta Cycadopsida2
PlantaeTracheophyta Ginkgoopsida3
PlantaeTracheophyta Lycopodiopsida16
PlantaeTracheophyta Magnoliopsida6
PlantaeTracheophyta Pinopsida13
PlantaeTracheophyta Polypodiopsida31
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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