ammonites

Harland 4: Epochs

 Interval Maximum correlate Ma
Holocene Quaternary
0.01
Pleistocene Quaternary
1.64
Pliocene Neogene
Miocene Neogene
Oligocene Paleogene
Eocene Paleogene
Paleocene Paleogene
Late/Upper Cretaceous Cretaceous

= Gulf
Early/Lower Cretaceous Cretaceous
Late/Upper Jurassic Jurassic

= Malm
Middle Jurassic Jurassic

= Dogger
Early/Lower Jurassic Jurassic

= Lias
Late/Upper Triassic Triassic
Middle Triassic Triassic
Early/Lower Triassic Triassic

= Scythian
Zechstein Permian
Rotliegendes Permian
Gzhelian Pennsylvanian
Kasimovian Pennsylvanian
Moscovian Pennsylvanian
Bashkirian Pennsylvanian
Serpukhovian Mississippian
Visean Mississippian
Tournaisian Mississippian
Late/Upper Devonian Devonian
Middle Devonian Devonian
Early/Lower Devonian Devonian
Pridoli Silurian
410.7
Ludlow Silurian
Wenlock Silurian
Llandovery Silurian
Ashgill Ordovician
Caradoc Ordovician
Llandeilo Ordovician
Llanvirn Ordovician
Arenig Ordovician
493
Tremadoc Ordovician
510
Merioneth Cambrian
St Davids Cambrian
Caerfai Cambrian
Ediacara Vendian
Varanger Vendian
Karatau Riphean
1050
Yurmatin Riphean
1350
Burzyan Riphean
1650
Early/Lower Imbrian Hadean
3850
Nectarian Hadean
3950
Basin Groups 1-9 Hadean
4150
Cryptic Hadean
4560

Authorizer: J. Alroy   Enterer: J. Alroy

Continent: global   Rank of each interval: epoch/series

Basis of scale: paleontological  

Reference: W. B. Harland et al. 1990

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