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Drumian

Hierarchy:Phanerozoic Paleozoic  Cambrian   Miaolingian
    Drumian
Classification:Age (as per International Commission on Stratigraphy)
Top:~500.5 Ma
Base:~504.5 Ma
Preceeds:Guzhangian
Follows:Wuliuan
GSSP:Drum Mountains, Millard County, Utah, USA
GSSP location:39.5117°N, 112.9920°W
GSSP link:View Global Boundary Stratotype Section and Point of the International Commission on Stratigraphy
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
AnimaliaAnnelida Polychaeta1
AnimaliaArthropoda Branchiopoda2
AnimaliaArthropoda Cephalocarida2
AnimaliaArthropoda Malacostraca2
AnimaliaArthropoda Ostracoda8
AnimaliaArthropoda Trilobita1,676
AnimaliaBrachiopoda Chileata4
AnimaliaBrachiopoda Craniata2
AnimaliaBrachiopoda Kutorginata15
AnimaliaBrachiopoda Lingulata126
AnimaliaBrachiopoda Obolellata7
AnimaliaBrachiopoda Rhynchonellata59
AnimaliaBrachiopoda Strophomenata9
AnimaliaBrachiopoda Tommotiida4
AnimaliaBryozoa Stenolaemata2
AnimaliaCnidaria Anthozoa3
AnimaliaCnidaria Cubozoa1
AnimaliaCnidaria Hydrozoa1
AnimaliaCnidaria Scyphozoa6
AnimaliaEchinodermata Crinoidea2
AnimaliaEchinodermata Holothuroidea1
AnimaliaHemichordata Pterobranchia10
AnimaliaMollusca Bivalvia8
AnimaliaMollusca Cephalopoda16
AnimaliaMollusca Gastropoda19
AnimaliaMollusca Monoplacophora1
AnimaliaMollusca Polyplacophora15
AnimaliaPorifera Calcarea2
AnimaliaPorifera Demospongiae4
AnimaliaPorifera Hexactinellida33
BacteriaCyanobacteria Cyanophyceae8
ChromistaForaminifera Monothalamea4
ChromistaForaminifera Tubothalamea5
ChromistaMyzozoa Dinophyceae2
ChromistaRadiozoa Polycystina23
PlantaeChlorophyta Chlorophyceae1
PlantaeChlorophyta Ulvophyceae1
PlantaeRhodophyta Rhodophyceae1
PlantaeTracheophyta Magnoliopsida1
 

Geologic Events

Event NameTypeAgeArea
Caledonian orogeny (concludes)Orogeny~505 - ~400 MaEurope
Gondwana formation (concludes)Continental Assembly~550 - ~500 MaGlobal
Damara orogeny (concludes)Orogeny~550 - ~495 MaNamibia
Ross orogeny (concludes)Orogeny~550 - ~480 MaAntarctica


Overview of geological time

List all geological events
 
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