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    Late Pleistocene
    Middle Pleistocene
   Late Cretaceous
   Early Cretaceous
   Late Jurassic
   Middle Jurassic
   Early Jurassic
   Late Triassic
   Middle Triassic
   Early Triassic
   Late Devonian
   Middle Devonian
   Early Devonian
   Late Ordovician
   Middle Ordovician
   Early Ordovician
    Cambrian Stage 10
   Cambrian Series 3
    Cambrian Stage 5
   Cambrian Series 2
    Cambrian Stage 4
    Cambrian Stage 3
    Cambrian Stage 2
  Early Imbrian
  Basin Groups
Hierarchy:Phanerozoic Paleozoic  Cambrian   Terreneuvian
Classification:Age (as per International Commission on Stratigraphy)
Top:~529 Ma
Base:541 ± 1.0 Ma
Preceeds:Cambrian Stage 2
Follows:Precambrian Proterozoic  Neoproterozoic   Ediacaran
Name origin:The name Fortunian is derived from a part of the Burin Peninsula, the town of Fortune near the GSSP and Fortune Bay.
GSSP:Fortune Head, SE Newfoundland, Canada
GSSP location:47.0762°N, 55.8310°W
GSSP link:View Global Boundary Stratotype Section and Point of the International Commission on Stratigraphy
The base of the fortunian is described as the first appearance of the trace fossil Treptichnus pedum 541 million years ago.

The top of the Fortunian which is the base of the Stage 2 of the Cambrian has not been formally defined yet, but will correspond to the appearance of an Archeocyatha species or "Small shelly fossils" approximately 529 million years ago.

Geologic Events

Event NameTypeAgeArea
Cambrian explosion (begins)Evolutionary 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
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