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Olenekian

Hierarchy:Phanerozoic Mesozoic  Triassic   Early Triassic
    Olenekian
Classification:Age (as per International Commission on Stratigraphy)
Top:247.2 Ma
Base:251.2 Ma
Preceeds:Middle Triassic Anisian
Follows:Induan
GSSP:Candidate GSSP Mud (Muth) village, Spiti valley, northwest India
GSSP location:31.9654°N, 78.0246°E
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
AnimaliaAnnelida Clitellata3
AnimaliaAnnelida Polychaeta22
AnimaliaArthropoda Arachnida29
AnimaliaArthropoda Branchiopoda12
AnimaliaArthropoda Cephalocarida1
AnimaliaArthropoda Chilopoda3
AnimaliaArthropoda Diplopoda3
AnimaliaArthropoda Entognatha1
AnimaliaArthropoda Insecta171
AnimaliaArthropoda Malacostraca26
AnimaliaArthropoda Maxillopoda6
AnimaliaArthropoda Merostomata1
AnimaliaArthropoda Ostracoda161
AnimaliaArthropoda Pycnogonida1
AnimaliaArthropoda Remipedia1
AnimaliaBrachiopoda Craniata4
AnimaliaBrachiopoda Lingulata22
AnimaliaBrachiopoda Rhynchonellata123
AnimaliaBrachiopoda Strophomenata17
AnimaliaBryozoa Gymnolaemata14
AnimaliaBryozoa Stenolaemata39
AnimaliaChordata Actinopterygii14
AnimaliaChordata Amphibia34
AnimaliaChordata Ascidiacea1
AnimaliaChordata Cephalaspidomorphi1
AnimaliaChordata Elasmobranchii5
AnimaliaChordata Holocephali2
AnimaliaChordata Myxini1
AnimaliaChordata Reptilia229
AnimaliaChordata Sarcopterygii14
AnimaliaCnidaria Anthozoa14
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa5
AnimaliaCnidaria Scyphozoa5
AnimaliaCnidaria Staurozoa3
AnimaliaEchinodermata Asteroidea1
AnimaliaEchinodermata Crinoidea18
AnimaliaEchinodermata Echinoidea12
AnimaliaEchinodermata Holothuroidea39
AnimaliaEchinodermata Ophiuroidea16
AnimaliaHemichordata Enteropneusta4
AnimaliaHemichordata Pterobranchia2
AnimaliaMollusca Bivalvia334
AnimaliaMollusca Cephalopoda1,028
AnimaliaMollusca Gastropoda266
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora7
AnimaliaMollusca Scaphopoda13
AnimaliaNematoda Adenophorea1
AnimaliaPorifera Calcarea7
AnimaliaPorifera Demospongiae28
AnimaliaPorifera Hexactinellida24
BacteriaCyanobacteria Cyanophyceae7
ChromistaForaminifera Globothalamea38
ChromistaForaminifera Monothalamea20
ChromistaForaminifera Tubothalamea48
ChromistaHaptophyta Prymnesiophyceae2
ChromistaMyzozoa Dinophyceae4
ChromistaRadiozoa Polycystina95
PlantaeBryophyta Bryopsida2
PlantaeCharophyta Charophyceae2
PlantaeCharophyta Zygnematophyceae1
PlantaeChlorophyta Chlorophyceae2
PlantaeChlorophyta Trebouxiophyceae2
PlantaeChlorophyta Ulvophyceae27
PlantaeMarchantiophyta Marchantiopsida1
PlantaeRhodophyta Florideophyceae10
PlantaeRhodophyta Rhodophyceae5
PlantaeTracheophyta Cycadopsida10
PlantaeTracheophyta Ginkgoopsida8
PlantaeTracheophyta Gnetopsida4
PlantaeTracheophyta Lycopodiopsida10
PlantaeTracheophyta Magnoliopsida6
PlantaeTracheophyta Pinopsida17
PlantaeTracheophyta Polypodiopsida34
 

Geologic Events

Event NameTypeAgeArea
Hunter-Bowen orogeny (ongoing)Orogeny260 - 225 MaAustralia
Uralian orogeny (concludes)Orogeny~320 - ~175 MaRussia


Overview of geological time

List all geological events
 
Mineral and/or Locality  
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