Precambrian
  • {{Period start error|Precambrian}} → ± 0.16
  • {{Period start error/sandbox|Precambrian}} → 0.16
Hadean
  • {{Period start error|Hadean}} → ± 0.16
  • {{Period start error/sandbox|Hadean}} → 0.16
Archean
  • {{Period start error|Archean}}
  • {{Period start error/sandbox|Archean}}
Eoarchean
  • {{Period start error|Eoarchean}}
  • {{Period start error/sandbox|Eoarchean}}
Isuan
  • {{Period start error|Isuan}}
  • {{Period start error/sandbox|Isuan}}
Paleoarchean
  • {{Period start error|Paleoarchean}}
  • {{Period start error/sandbox|Paleoarchean}}
Palaeoarchean
  • {{Period start error|Palaeoarchean}}
  • {{Period start error/sandbox|Palaeoarchean}}
Mesoarchean
  • {{Period start error|Mesoarchean}}
  • {{Period start error/sandbox|Mesoarchean}}
Neoarchean
  • {{Period start error|Neoarchean}}
  • {{Period start error/sandbox|Neoarchean}}
Proterozoic
  • {{Period start error|Proterozoic}}
  • {{Period start error/sandbox|Proterozoic}}
Paleoproterozoic
  • {{Period start error|Paleoproterozoic}}
  • {{Period start error/sandbox|Paleoproterozoic}}
Palaeoproterozoic
  • {{Period start error|Palaeoproterozoic}}
  • {{Period start error/sandbox|Palaeoproterozoic}}
Siderian
  • {{Period start error|Siderian}}
  • {{Period start error/sandbox|Siderian}}
Rhyacian
  • {{Period start error|Rhyacian}}
  • {{Period start error/sandbox|Rhyacian}}
Orosirian
  • {{Period start error|Orosirian}}
  • {{Period start error/sandbox|Orosirian}}
Statherian
  • {{Period start error|Statherian}}
  • {{Period start error/sandbox|Statherian}}
Mesoproterozoic
  • {{Period start error|Mesoproterozoic}}
  • {{Period start error/sandbox|Mesoproterozoic}}
Calymmian
  • {{Period start error|Calymmian}}
  • {{Period start error/sandbox|Calymmian}}
Riphean
  • {{Period start error|Riphean}}
  • {{Period start error/sandbox|Riphean}}
Ectasian
  • {{Period start error|Ectasian}}
  • {{Period start error/sandbox|Ectasian}}
Stenian
  • {{Period start error|Stenian}}
  • {{Period start error/sandbox|Stenian}}
Neoproterozoic
  • {{Period start error|Neoproterozoic}}
  • {{Period start error/sandbox|Neoproterozoic}}
Tonian
  • {{Period start error|Tonian}}
  • {{Period start error/sandbox|Tonian}}
Cryogenian
  • {{Period start error|Cryogenian}}
  • {{Period start error/sandbox|Cryogenian}}
Baikalian
  • {{Period start error|Baikalian}}
  • {{Period start error/sandbox|Baikalian}}
Ediacaran
  • {{Period start error|Ediacaran}}
  • {{Period start error/sandbox|Ediacaran}}
Vendian
  • {{Period start error|Vendian}}
  • {{Period start error/sandbox|Vendian}}
Mayanian
  • {{Period start error|Mayanian}}
  • {{Period start error/sandbox|Mayanian}}
Sinian
  • {{Period start error|Sinian}}
  • {{Period start error/sandbox|Sinian}}
Sturtian
  • {{Period start error|Sturtian}}
  • {{Period start error/sandbox|Sturtian}}
Phanerozoic
  • {{Period start error|Phanerozoic}} → ± 0.2
  • {{Period start error/sandbox|Phanerozoic}} → ± 0.2
Paleozoic
  • {{Period start error|Paleozoic}} → ± 0.2
  • {{Period start error/sandbox|Paleozoic}} → ± 0.2
Cambrian
  • {{Period start error|Cambrian}} → ± 0.2
  • {{Period start error/sandbox|Cambrian}} → ± 0.2
Earliest-cambrian
  • {{Period start error|Earliest-cambrian}} → ± 0.2
  • {{Period start error/sandbox|Earliest-cambrian}} → ± 0.2
Early-cambrian
  • {{Period start error|Early-cambrian}} → ± 0.2
  • {{Period start error/sandbox|Early-cambrian}} → ± 0.2
Lower-cambrian
  • {{Period start error|Lower-cambrian}} → ± 0.2
  • {{Period start error/sandbox|Lower-cambrian}} → ± 0.2
Terreneuvian
  • {{Period start error|Terreneuvian}} → ± 0.2
  • {{Period start error/sandbox|Terreneuvian}} → ± 0.2
Fortunian
  • {{Period start error|Fortunian}} → ± 0.2
  • {{Period start error/sandbox|Fortunian}} → ± 0.2
Manykaian
  • {{Period start error|Manykaian}} → ± 0.2
  • {{Period start error/sandbox|Manykaian}} → ± 0.2
Nemakit-daldynian
  • {{Period start error|Nemakit-daldynian}} → ± 0.2
  • {{Period start error/sandbox|Nemakit-daldynian}} → ± 0.2
Caerfai
  • {{Period start error|Caerfai}}
  • {{Period start error/sandbox|Caerfai}}
Tommotian
  • {{Period start error|Tommotian}}
  • {{Period start error/sandbox|Tommotian}}
Cambrian stage 2
  • {{Period start error|Cambrian stage 2}}
  • {{Period start error/sandbox|Cambrian stage 2}}
Atdabanian
  • {{Period start error|Atdabanian}}
  • {{Period start error/sandbox|Atdabanian}}
Series 2
  • {{Period start error|Series 2}}
  • {{Period start error/sandbox|Series 2}}
Cambrian series 2
  • {{Period start error|Cambrian series 2}}
  • {{Period start error/sandbox|Cambrian series 2}}
Stage 3
  • {{Period start error|Stage 3}}
  • {{Period start error/sandbox|Stage 3}}
Cambrian stage 3
  • {{Period start error|Cambrian stage 3}}
  • {{Period start error/sandbox|Cambrian stage 3}}
Mid early cambrian
  • {{Period start error|Mid early cambrian}}
  • {{Period start error/sandbox|Mid early cambrian}}
Middle early cambrian
  • {{Period start error|Middle early cambrian}}
  • {{Period start error/sandbox|Middle early cambrian}}
Botomian
  • {{Period start error|Botomian}}
  • {{Period start error/sandbox|Botomian}}
Toyonian
  • {{Period start error|Toyonian}}
  • {{Period start error/sandbox|Toyonian}}
Late early cambrian
  • {{Period start error|Late early cambrian}}
  • {{Period start error/sandbox|Late early cambrian}}
Upper early cambrian
  • {{Period start error|Upper early cambrian}}
  • {{Period start error/sandbox|Upper early cambrian}}
Upper lower cambrian
  • {{Period start error|Upper lower cambrian}}
  • {{Period start error/sandbox|Upper lower cambrian}}
Cambrian stage 4
  • {{Period start error|Cambrian stage 4}}
  • {{Period start error/sandbox|Cambrian stage 4}}
Stage 4
  • {{Period start error|Stage 4}}
  • {{Period start error/sandbox|Stage 4}}
Middle cambrian
  • {{Period start error|Middle cambrian}}
  • {{Period start error/sandbox|Middle cambrian}}
Early middle cambrian
  • {{Period start error|Early middle cambrian}}
  • {{Period start error/sandbox|Early middle cambrian}}
Mid cambrian
  • {{Period start error|Mid cambrian}}
  • {{Period start error/sandbox|Mid cambrian}}
Miaolingian
  • {{Period start error|Miaolingian}}
  • {{Period start error/sandbox|Miaolingian}}
Wuliuan
  • {{Period start error|Wuliuan}}
  • {{Period start error/sandbox|Wuliuan}}
St davids
  • {{Period start error|St davids}}
  • {{Period start error/sandbox|St davids}}
Drumian
  • {{Period start error|Drumian}}
  • {{Period start error/sandbox|Drumian}}
Guzhangian
  • {{Period start error|Guzhangian}}
  • {{Period start error/sandbox|Guzhangian}}
Nganasanian
  • {{Period start error|Nganasanian}}
  • {{Period start error/sandbox|Nganasanian}}
Mindyallan
  • {{Period start error|Mindyallan}}
  • {{Period start error/sandbox|Mindyallan}}
Merioneth
  • {{Period start error|Merioneth}}
  • {{Period start error/sandbox|Merioneth}}
Furongian
  • {{Period start error|Furongian}}
  • {{Period start error/sandbox|Furongian}}
Late cambrian
  • {{Period start error|Late cambrian}}
  • {{Period start error/sandbox|Late cambrian}}
Upper cambrian
  • {{Period start error|Upper cambrian}}
  • {{Period start error/sandbox|Upper cambrian}}
Paibian
  • {{Period start error|Paibian}}
  • {{Period start error/sandbox|Paibian}}
Franconian
  • {{Period start error|Franconian}}
  • {{Period start error/sandbox|Franconian}}
Upper upper cambrian
  • {{Period start error|Upper upper cambrian}}
  • {{Period start error/sandbox|Upper upper cambrian}}
Late late cambrian
  • {{Period start error|Late late cambrian}}
  • {{Period start error/sandbox|Late late cambrian}}
Mansian
  • {{Period start error|Mansian}}
  • {{Period start error/sandbox|Mansian}}
Ordovician
  • {{Period start error|Ordovician}} → ± 1.9
  • {{Period start error/sandbox|Ordovician}} → ± 1.9
Early ordovician
  • {{Period start error|Early ordovician}} → ± 1.9
  • {{Period start error/sandbox|Early ordovician}} → ± 1.9
Lower ordovician
  • {{Period start error|Lower ordovician}} → ± 1.9
  • {{Period start error/sandbox|Lower ordovician}} → ± 1.9
Tremadocian
  • {{Period start error|Tremadocian}} → ± 1.9
  • {{Period start error/sandbox|Tremadocian}} → ± 1.9
Late early ordovician
  • {{Period start error|Late early ordovician}}
  • {{Period start error/sandbox|Late early ordovician}}
Arenig
  • {{Period start error|Arenig}} → ± 1.4
  • {{Period start error/sandbox|Arenig}} → ± 1.4
Floian
  • {{Period start error|Floian}} → ± 1.4
  • {{Period start error/sandbox|Floian}} → ± 1.4
Dapingian
  • {{Period start error|Dapingian}} → ± 1.4
  • {{Period start error/sandbox|Dapingian}} → ± 1.4
Middle ordovician
  • {{Period start error|Middle ordovician}} → ± 1.4
  • {{Period start error/sandbox|Middle ordovician}} → ± 1.4
Mid ordovician
  • {{Period start error|Mid ordovician}} → ± 1.4
  • {{Period start error/sandbox|Mid ordovician}} → ± 1.4
Ordovician iii
  • {{Period start error|Ordovician iii}} → ± 1.4
  • {{Period start error/sandbox|Ordovician iii}} → ± 1.4
Early middle ordovician
  • {{Period start error|Early middle ordovician}} → ± 1.4
  • {{Period start error/sandbox|Early middle ordovician}} → ± 1.4
Darriwilian
  • {{Period start error|Darriwilian}} → ± 1.1
  • {{Period start error/sandbox|Darriwilian}} → ± 1.1
Late ordovician
  • {{Period start error|Late ordovician}} → ± 0.9
  • {{Period start error/sandbox|Late ordovician}} → ± 0.9
Upper ordovician
  • {{Period start error|Upper ordovician}} → ± 0.9
  • {{Period start error/sandbox|Upper ordovician}} → ± 0.9
Ordovician v
  • {{Period start error|Ordovician v}} → ± 0.9
  • {{Period start error/sandbox|Ordovician v}} → ± 0.9
Sandbian
  • {{Period start error|Sandbian}} → ± 0.9
  • {{Period start error/sandbox|Sandbian}} → ± 0.9
Early late ordovician
  • {{Period start error|Early late ordovician}} → ± 0.9
  • {{Period start error/sandbox|Early late ordovician}} → ± 0.9
Ordovician vi
  • {{Period start error|Ordovician vi}} → ± 0.7
  • {{Period start error/sandbox|Ordovician vi}} → ± 0.7
Katian
  • {{Period start error|Katian}} → ± 0.7
  • {{Period start error/sandbox|Katian}} → ± 0.7
Hirnantian
  • {{Period start error|Hirnantian}} → ± 1.4
  • {{Period start error/sandbox|Hirnantian}} → ± 1.4
Middle late ordovician
  • {{Period start error|Middle late ordovician}}
  • {{Period start error/sandbox|Middle late ordovician}}
Silurian
  • {{Period start error|Silurian}} → ± 1.5
  • {{Period start error/sandbox|Silurian}} → ± 1.5
Early silurian
  • {{Period start error|Early silurian}} → ± 1.5
  • {{Period start error/sandbox|Early silurian}} → ± 1.5
Lower silurian
  • {{Period start error|Lower silurian}} → ± 1.5
  • {{Period start error/sandbox|Lower silurian}} → ± 1.5
Llandovery
  • {{Period start error|Llandovery}} → ± 1.5
  • {{Period start error/sandbox|Llandovery}} → ± 1.5
Rhuddanian
  • {{Period start error|Rhuddanian}} → ± 1.5
  • {{Period start error/sandbox|Rhuddanian}} → ± 1.5
Aeronian
  • {{Period start error|Aeronian}} → ± 1.2
  • {{Period start error/sandbox|Aeronian}} → ± 1.2
Telychian
  • {{Period start error|Telychian}} → ± 1.1
  • {{Period start error/sandbox|Telychian}} → ± 1.1
Wenlock
  • {{Period start error|Wenlock}} → ± 0.8
  • {{Period start error/sandbox|Wenlock}} → ± 0.8
Sheinwoodian
  • {{Period start error|Sheinwoodian}} → ± 0.8
  • {{Period start error/sandbox|Sheinwoodian}} → ± 0.8
Homerian
  • {{Period start error|Homerian}} → ± 0.7
  • {{Period start error/sandbox|Homerian}} → ± 0.7
Late silurian
  • {{Period start error|Late silurian}} → ± 0.5
  • {{Period start error/sandbox|Late silurian}} → ± 0.5
Upper silurian
  • {{Period start error|Upper silurian}} → ± 0.5
  • {{Period start error/sandbox|Upper silurian}} → ± 0.5
Ludlow
  • {{Period start error|Ludlow}} → ± 0.5
  • {{Period start error/sandbox|Ludlow}} → ± 0.5
Gorstian
  • {{Period start error|Gorstian}} → ± 0.5
  • {{Period start error/sandbox|Gorstian}} → ± 0.5
Ludfordian
  • {{Period start error|Ludfordian}} → ± 0.9
  • {{Period start error/sandbox|Ludfordian}} → ± 0.9
Pridoli
  • {{Period start error|Pridoli}} → ± 2.3
  • {{Period start error/sandbox|Pridoli}} → ± 2.3
Unnamed pridoli stage
  • {{Period start error|Unnamed pridoli stage}} → ± 2.3
  • {{Period start error/sandbox|Unnamed pridoli stage}} → ± 2.3
Devonian
  • {{Period start error|Devonian}} → ± 3.2
  • {{Period start error/sandbox|Devonian}} → ± 3.2
Early devonian
  • {{Period start error|Early devonian}} → ± 3.2
  • {{Period start error/sandbox|Early devonian}} → ± 3.2
Lower devonian
  • {{Period start error|Lower devonian}} → ± 3.2
  • {{Period start error/sandbox|Lower devonian}} → ± 3.2
Lochkovian
  • {{Period start error|Lochkovian}} → ± 3.2
  • {{Period start error/sandbox|Lochkovian}} → ± 3.2
Downtonian
  • {{Period start error|Downtonian}} → ± 3.2
  • {{Period start error/sandbox|Downtonian}} → ± 3.2
Pragian
  • {{Period start error|Pragian}} → ± 2.8
  • {{Period start error/sandbox|Pragian}} → ± 2.8
Praghian
  • {{Period start error|Praghian}} → ± 2.8
  • {{Period start error/sandbox|Praghian}} → ± 2.8
Emsian
  • {{Period start error|Emsian}} → ± 2.6
  • {{Period start error/sandbox|Emsian}} → ± 2.6
Middle devonian
  • {{Period start error|Middle devonian}} → ± 1.2
  • {{Period start error/sandbox|Middle devonian}} → ± 1.2
Mid devonian
  • {{Period start error|Mid devonian}} → ± 1.2
  • {{Period start error/sandbox|Mid devonian}} → ± 1.2
Eifelian
  • {{Period start error|Eifelian}} → ± 1.2
  • {{Period start error/sandbox|Eifelian}} → ± 1.2
Givetian
  • {{Period start error|Givetian}} → ± 0.8
  • {{Period start error/sandbox|Givetian}} → ± 0.8
Late devonian
  • {{Period start error|Late devonian}} → ± 1.6
  • {{Period start error/sandbox|Late devonian}} → ± 1.6
Upper devonian
  • {{Period start error|Upper devonian}} → ± 1.6
  • {{Period start error/sandbox|Upper devonian}} → ± 1.6
Frasnian
  • {{Period start error|Frasnian}} → ± 1.6
  • {{Period start error/sandbox|Frasnian}} → ± 1.6
Famennian
  • {{Period start error|Famennian}} → ± 1.6
  • {{Period start error/sandbox|Famennian}} → ± 1.6
Early carboniferous
  • {{Period start error|Early carboniferous}} → ± 0.4
  • {{Period start error/sandbox|Early carboniferous}} → ± 0.4
Lower carboniferous
  • {{Period start error|Lower carboniferous}} → ± 0.4
  • {{Period start error/sandbox|Lower carboniferous}} → ± 0.4
Carboniferous
  • {{Period start error|Carboniferous}} → ± 0.4
  • {{Period start error/sandbox|Carboniferous}} → ± 0.4
Mississippian
  • {{Period start error|Mississippian}} → ± 0.4
  • {{Period start error/sandbox|Mississippian}} → ± 0.4
Early mississippian
  • {{Period start error|Early mississippian}} → ± 0.4
  • {{Period start error/sandbox|Early mississippian}} → ± 0.4
Lower mississippian
  • {{Period start error|Lower mississippian}} → ± 0.4
  • {{Period start error/sandbox|Lower mississippian}} → ± 0.4
Tournaisian
  • {{Period start error|Tournaisian}} → ± 0.4
  • {{Period start error/sandbox|Tournaisian}} → ± 0.4
Middle mississippian
  • {{Period start error|Middle mississippian}} → ± 0.4
  • {{Period start error/sandbox|Middle mississippian}} → ± 0.4
Visean
  • {{Period start error|Visean}} → ± 0.4
  • {{Period start error/sandbox|Visean}} → ± 0.4
Late mississippian
  • {{Period start error|Late mississippian}} → ± 0.2
  • {{Period start error/sandbox|Late mississippian}} → ± 0.2
Serpukhovian
  • {{Period start error|Serpukhovian}} → ± 0.2
  • {{Period start error/sandbox|Serpukhovian}} → ± 0.2
Namurian
  • {{Period start error|Namurian}}
  • {{Period start error/sandbox|Namurian}}
Upper carboniferous
  • {{Period start error|Upper carboniferous}} → ± 0.4
  • {{Period start error/sandbox|Upper carboniferous}} → ± 0.4
Late carboniferous
  • {{Period start error|Late carboniferous}} → ± 0.4
  • {{Period start error/sandbox|Late carboniferous}} → ± 0.4
Pennsylvanian
  • {{Period start error|Pennsylvanian}} → ± 0.4
  • {{Period start error/sandbox|Pennsylvanian}} → ± 0.4
Early pennsylvanian
  • {{Period start error|Early pennsylvanian}} → ± 0.4
  • {{Period start error/sandbox|Early pennsylvanian}} → ± 0.4
Lower pennsylvanian
  • {{Period start error|Lower pennsylvanian}} → ± 0.4
  • {{Period start error/sandbox|Lower pennsylvanian}} → ± 0.4
Bashkirian
  • {{Period start error|Bashkirian}} → ± 0.4
  • {{Period start error/sandbox|Bashkirian}} → ± 0.4
Westphalian
  • {{Period start error|Westphalian}}
  • {{Period start error/sandbox|Westphalian}}
Middle pennsylvanian
  • {{Period start error|Middle pennsylvanian}} → ± 0.2
  • {{Period start error/sandbox|Middle pennsylvanian}} → ± 0.2
Moscovian
  • {{Period start error|Moscovian}} → ± 0.2
  • {{Period start error/sandbox|Moscovian}} → ± 0.2
Late pennsylvanian
  • {{Period start error|Late pennsylvanian}} → ± 0.1
  • {{Period start error/sandbox|Late pennsylvanian}} → ± 0.1
Kasimovian
  • {{Period start error|Kasimovian}} → ± 0.1
  • {{Period start error/sandbox|Kasimovian}} → ± 0.1
Stephanian
  • {{Period start error|Stephanian}}
  • {{Period start error/sandbox|Stephanian}}
Gzhelian
  • {{Period start error|Gzhelian}} → ± 0.1
  • {{Period start error/sandbox|Gzhelian}} → ± 0.1
Permian
  • {{Period start error|Permian}} → ± 0.15
  • {{Period start error/sandbox|Permian}} → ± 0.15
Early permian
  • {{Period start error|Early permian}} → ± 0.15
  • {{Period start error/sandbox|Early permian}} → ± 0.15
Lower permian
  • {{Period start error|Lower permian}} → ± 0.15
  • {{Period start error/sandbox|Lower permian}} → ± 0.15
Cisuralian
  • {{Period start error|Cisuralian}} → ± 0.15
  • {{Period start error/sandbox|Cisuralian}} → ± 0.15
Asselian
  • {{Period start error|Asselian}} → ± 0.15
  • {{Period start error/sandbox|Asselian}} → ± 0.15
Sakmarian
  • {{Period start error|Sakmarian}} → ± 0.17
  • {{Period start error/sandbox|Sakmarian}} → ± 0.17
Artinskian
  • {{Period start error|Artinskian}} → ± 0.26
  • {{Period start error/sandbox|Artinskian}} → ± 0.26
Kungurian
  • {{Period start error|Kungurian}} → ± 0.6
  • {{Period start error/sandbox|Kungurian}} → ± 0.6
Guadalupian
  • {{Period start error|Guadalupian}} → ± 0.14
  • {{Period start error/sandbox|Guadalupian}} → ± 0.14
Middle permian
  • {{Period start error|Middle permian}} → ± 0.14
  • {{Period start error/sandbox|Middle permian}} → ± 0.14
Mid permian
  • {{Period start error|Mid permian}} → ± 0.14
  • {{Period start error/sandbox|Mid permian}} → ± 0.14
Roadian
  • {{Period start error|Roadian}} → ± 0.14
  • {{Period start error/sandbox|Roadian}} → ± 0.14
Ufimian
  • {{Period start error|Ufimian}} → ± 0.14
  • {{Period start error/sandbox|Ufimian}} → ± 0.14
Wordian
  • {{Period start error|Wordian}} → ± 0.4
  • {{Period start error/sandbox|Wordian}} → ± 0.4
Capitanian
  • {{Period start error|Capitanian}} → ± 0.16
  • {{Period start error/sandbox|Capitanian}} → ± 0.16
Late permian
  • {{Period start error|Late permian}} → ± 0.21
  • {{Period start error/sandbox|Late permian}} → ± 0.21
Upper permian
  • {{Period start error|Upper permian}} → ± 0.21
  • {{Period start error/sandbox|Upper permian}} → ± 0.21
Lopingian
  • {{Period start error|Lopingian}} → ± 0.21
  • {{Period start error/sandbox|Lopingian}} → ± 0.21
Wuchiapingian
  • {{Period start error|Wuchiapingian}} → ± 0.21
  • {{Period start error/sandbox|Wuchiapingian}} → ± 0.21
Longtanian
  • {{Period start error|Longtanian}} → ± 0.21
  • {{Period start error/sandbox|Longtanian}} → ± 0.21
Changhsingian
  • {{Period start error|Changhsingian}} → ± 0.07
  • {{Period start error/sandbox|Changhsingian}} → ± 0.07
Mesozoic
  • {{Period start error|Mesozoic}} → ± 0.024
  • {{Period start error/sandbox|Mesozoic}} → ± 0.024
Triassic
  • {{Period start error|Triassic}} → ± 0.024
  • {{Period start error/sandbox|Triassic}} → ± 0.024
Early triassic
  • {{Period start error|Early triassic}} → ± 0.024
  • {{Period start error/sandbox|Early triassic}} → ± 0.024
Lower triassic
  • {{Period start error|Lower triassic}} → ± 0.024
  • {{Period start error/sandbox|Lower triassic}} → ± 0.024
Induan
  • {{Period start error|Induan}} → ± 0.024
  • {{Period start error/sandbox|Induan}} → ± 0.024
Olenekian
  • {{Period start error|Olenekian}}
  • {{Period start error/sandbox|Olenekian}}
Spathian
  • {{Period start error|Spathian}}
  • {{Period start error/sandbox|Spathian}}
Middle triassic
  • {{Period start error|Middle triassic}}
  • {{Period start error/sandbox|Middle triassic}}
Mid triassic
  • {{Period start error|Mid triassic}}
  • {{Period start error/sandbox|Mid triassic}}
Anisian
  • {{Period start error|Anisian}}
  • {{Period start error/sandbox|Anisian}}
Ladinian
  • {{Period start error|Ladinian}}
  • {{Period start error/sandbox|Ladinian}}
Late triassic
  • {{Period start error|Late triassic}}
  • {{Period start error/sandbox|Late triassic}}
Upper triassic
  • {{Period start error|Upper triassic}}
  • {{Period start error/sandbox|Upper triassic}}
Carnian
  • {{Period start error|Carnian}}
  • {{Period start error/sandbox|Carnian}}
Norian
  • {{Period start error|Norian}}
  • {{Period start error/sandbox|Norian}}
Rhaetian
  • {{Period start error|Rhaetian}}
  • {{Period start error/sandbox|Rhaetian}}
Jurassic
  • {{Period start error|Jurassic}} → ± 0.2
  • {{Period start error/sandbox|Jurassic}} → ± 0.2
Early jurassic
  • {{Period start error|Early jurassic}} → ± 0.2
  • {{Period start error/sandbox|Early jurassic}} → ± 0.2
Lower jurassic
  • {{Period start error|Lower jurassic}} → ± 0.2
  • {{Period start error/sandbox|Lower jurassic}} → ± 0.2
Hettangian
  • {{Period start error|Hettangian}} → ± 0.2
  • {{Period start error/sandbox|Hettangian}} → ± 0.2
Sinemurian
  • {{Period start error|Sinemurian}} → ± 0.3
  • {{Period start error/sandbox|Sinemurian}} → ± 0.3
Pliensbachian
  • {{Period start error|Pliensbachian}} → ± 1.0
  • {{Period start error/sandbox|Pliensbachian}} → ± 1.0
Toarcian
  • {{Period start error|Toarcian}} → ± 0.7
  • {{Period start error/sandbox|Toarcian}} → ± 0.7
Middle jurassic
  • {{Period start error|Middle jurassic}} → ± 1.0
  • {{Period start error/sandbox|Middle jurassic}} → ± 1.0
Mid jurassic
  • {{Period start error|Mid jurassic}} → ± 1.0
  • {{Period start error/sandbox|Mid jurassic}} → ± 1.0
Aalenian
  • {{Period start error|Aalenian}} → ± 1.0
  • {{Period start error/sandbox|Aalenian}} → ± 1.0
Bajocian
  • {{Period start error|Bajocian}} → ± 1.4
  • {{Period start error/sandbox|Bajocian}} → ± 1.4
Bathonian
  • {{Period start error|Bathonian}} → ± 1.3
  • {{Period start error/sandbox|Bathonian}} → ± 1.3
Callovian
  • {{Period start error|Callovian}} → ± 1.2
  • {{Period start error/sandbox|Callovian}} → ± 1.2
Late jurassic
  • {{Period start error|Late jurassic}} → ± 1.0
  • {{Period start error/sandbox|Late jurassic}} → ± 1.0
Upper jurassic
  • {{Period start error|Upper jurassic}} → ± 1.0
  • {{Period start error/sandbox|Upper jurassic}} → ± 1.0
Oxfordian
  • {{Period start error|Oxfordian}} → ± 1.0
  • {{Period start error/sandbox|Oxfordian}} → ± 1.0
Kimmeridgian
  • {{Period start error|Kimmeridgian}} → ± 1.0
  • {{Period start error/sandbox|Kimmeridgian}} → ± 1.0
Tithonian
  • {{Period start error|Tithonian}} → ± 0.9
  • {{Period start error/sandbox|Tithonian}} → ± 0.9
Cretaceous
  • {{Period start error|Cretaceous}}
  • {{Period start error/sandbox|Cretaceous}}
Early cretaceous
  • {{Period start error|Early cretaceous}}
  • {{Period start error/sandbox|Early cretaceous}}
Lower cretaceous
  • {{Period start error|Lower cretaceous}}
  • {{Period start error/sandbox|Lower cretaceous}}
Berriasian
  • {{Period start error|Berriasian}}
  • {{Period start error/sandbox|Berriasian}}
Neocomian
  • {{Period start error|Neocomian}}
  • {{Period start error/sandbox|Neocomian}}
Valanginian
  • {{Period start error|Valanginian}}
  • {{Period start error/sandbox|Valanginian}}
Hauterivian
  • {{Period start error|Hauterivian}}
  • {{Period start error/sandbox|Hauterivian}}
Barremian
  • {{Period start error|Barremian}}
  • {{Period start error/sandbox|Barremian}}
Gallic
  • {{Period start error|Gallic}}
  • {{Period start error/sandbox|Gallic}}
Aptian
  • {{Period start error|Aptian}}
  • {{Period start error/sandbox|Aptian}}
Albian
  • {{Period start error|Albian}}
  • {{Period start error/sandbox|Albian}}
Late cretaceous
  • {{Period start error|Late cretaceous}}
  • {{Period start error/sandbox|Late cretaceous}}
Upper cretaceous
  • {{Period start error|Upper cretaceous}}
  • {{Period start error/sandbox|Upper cretaceous}}
Cenomanian
  • {{Period start error|Cenomanian}}
  • {{Period start error/sandbox|Cenomanian}}
Turonian
  • {{Period start error|Turonian}}
  • {{Period start error/sandbox|Turonian}}
Coniacian
  • {{Period start error|Coniacian}} → ± 0.3
  • {{Period start error/sandbox|Coniacian}} → ± 0.3
Senonian
  • {{Period start error|Senonian}} → ± 0.3
  • {{Period start error/sandbox|Senonian}} → ± 0.3
Santonian
  • {{Period start error|Santonian}} → ± 0.5
  • {{Period start error/sandbox|Santonian}} → ± 0.5
Campanian
  • {{Period start error|Campanian}} → ± 0.2
  • {{Period start error/sandbox|Campanian}} → ± 0.2
Maastrichtian
  • {{Period start error|Maastrichtian}} → ± 0.2
  • {{Period start error/sandbox|Maastrichtian}} → ± 0.2
Cenozoic
  • {{Period start error|Cenozoic}}
  • {{Period start error/sandbox|Cenozoic}}
Paleogene
  • {{Period start error|Paleogene}}
  • {{Period start error/sandbox|Paleogene}}
Paleocene
  • {{Period start error|Paleocene}}
  • {{Period start error/sandbox|Paleocene}}
Early paleocene
  • {{Period start error|Early paleocene}}
  • {{Period start error/sandbox|Early paleocene}}
Lower paleocene
  • {{Period start error|Lower paleocene}}
  • {{Period start error/sandbox|Lower paleocene}}
Tertiary
  • {{Period start error|Tertiary}}
  • {{Period start error/sandbox|Tertiary}}
Danian
  • {{Period start error|Danian}}
  • {{Period start error/sandbox|Danian}}
Puercan
  • {{Period start error|Puercan}}
  • {{Period start error/sandbox|Puercan}}
Torrejonian
  • {{Period start error|Torrejonian}}
  • {{Period start error/sandbox|Torrejonian}}
Middle paleocene
  • {{Period start error|Middle paleocene}}
  • {{Period start error/sandbox|Middle paleocene}}
Selandian
  • {{Period start error|Selandian}}
  • {{Period start error/sandbox|Selandian}}
Tiffanian
  • {{Period start error|Tiffanian}}
  • {{Period start error/sandbox|Tiffanian}}
Late paleocene
  • {{Period start error|Late paleocene}}
  • {{Period start error/sandbox|Late paleocene}}
Thanetian
  • {{Period start error|Thanetian}}
  • {{Period start error/sandbox|Thanetian}}
Clarkforkian
  • {{Period start error|Clarkforkian}}
  • {{Period start error/sandbox|Clarkforkian}}
Eocene
  • {{Period start error|Eocene}}
  • {{Period start error/sandbox|Eocene}}
Early eocene
  • {{Period start error|Early eocene}}
  • {{Period start error/sandbox|Early eocene}}
Lower eocene
  • {{Period start error|Lower eocene}}
  • {{Period start error/sandbox|Lower eocene}}
Ypresian
  • {{Period start error|Ypresian}}
  • {{Period start error/sandbox|Ypresian}}
Mp 10
  • {{Period start error|Mp 10}}
  • {{Period start error/sandbox|Mp 10}}
Wasatchian
  • {{Period start error|Wasatchian}}
  • {{Period start error/sandbox|Wasatchian}}
Bridgerian
  • {{Period start error|Bridgerian}}
  • {{Period start error/sandbox|Bridgerian}}
Middle eocene
  • {{Period start error|Middle eocene}}
  • {{Period start error/sandbox|Middle eocene}}
Lutetian
  • {{Period start error|Lutetian}}
  • {{Period start error/sandbox|Lutetian}}
Mp 11
  • {{Period start error|Mp 11}}
  • {{Period start error/sandbox|Mp 11}}
Uintan
  • {{Period start error|Uintan}}
  • {{Period start error/sandbox|Uintan}}
Duchesnean
  • {{Period start error|Duchesnean}}
  • {{Period start error/sandbox|Duchesnean}}
Bartonian
  • {{Period start error|Bartonian}}
  • {{Period start error/sandbox|Bartonian}}
Chadronian
  • {{Period start error|Chadronian}}
  • {{Period start error/sandbox|Chadronian}}
Late eocene
  • {{Period start error|Late eocene}}
  • {{Period start error/sandbox|Late eocene}}
Priabonian
  • {{Period start error|Priabonian}}
  • {{Period start error/sandbox|Priabonian}}
Oligocene
  • {{Period start error|Oligocene}}
  • {{Period start error/sandbox|Oligocene}}
Early oligocene
  • {{Period start error|Early oligocene}}
  • {{Period start error/sandbox|Early oligocene}}
Lower oligocene
  • {{Period start error|Lower oligocene}}
  • {{Period start error/sandbox|Lower oligocene}}
Rupelian
  • {{Period start error|Rupelian}}
  • {{Period start error/sandbox|Rupelian}}
Orellan
  • {{Period start error|Orellan}}
  • {{Period start error/sandbox|Orellan}}
Whitneyan
  • {{Period start error|Whitneyan}}
  • {{Period start error/sandbox|Whitneyan}}
Arikeean
  • {{Period start error|Arikeean}}
  • {{Period start error/sandbox|Arikeean}}
Late oligocene
  • {{Period start error|Late oligocene}}
  • {{Period start error/sandbox|Late oligocene}}
Chattian
  • {{Period start error|Chattian}}
  • {{Period start error/sandbox|Chattian}}
Neogene
  • {{Period start error|Neogene}}
  • {{Period start error/sandbox|Neogene}}
Miocene
  • {{Period start error|Miocene}}
  • {{Period start error/sandbox|Miocene}}
Early miocene
  • {{Period start error|Early miocene}}
  • {{Period start error/sandbox|Early miocene}}
Lower miocene
  • {{Period start error|Lower miocene}}
  • {{Period start error/sandbox|Lower miocene}}
Aquitanian
  • {{Period start error|Aquitanian}}
  • {{Period start error/sandbox|Aquitanian}}
Hemingfordian
  • {{Period start error|Hemingfordian}}
  • {{Period start error/sandbox|Hemingfordian}}
Burdigalian
  • {{Period start error|Burdigalian}}
  • {{Period start error/sandbox|Burdigalian}}
Barstovian
  • {{Period start error|Barstovian}}
  • {{Period start error/sandbox|Barstovian}}
Middle miocene
  • {{Period start error|Middle miocene}}
  • {{Period start error/sandbox|Middle miocene}}
Langhian
  • {{Period start error|Langhian}}
  • {{Period start error/sandbox|Langhian}}
Serravallian
  • {{Period start error|Serravallian}}
  • {{Period start error/sandbox|Serravallian}}
Clarendonian
  • {{Period start error|Clarendonian}}
  • {{Period start error/sandbox|Clarendonian}}
Late miocene
  • {{Period start error|Late miocene}}
  • {{Period start error/sandbox|Late miocene}}
Tortonian
  • {{Period start error|Tortonian}}
  • {{Period start error/sandbox|Tortonian}}
Hemphillian
  • {{Period start error|Hemphillian}}
  • {{Period start error/sandbox|Hemphillian}}
Messinian
  • {{Period start error|Messinian}}
  • {{Period start error/sandbox|Messinian}}
Pliocene
  • {{Period start error|Pliocene}}
  • {{Period start error/sandbox|Pliocene}}
Early pliocene
  • {{Period start error|Early pliocene}}
  • {{Period start error/sandbox|Early pliocene}}
Lower pliocene
  • {{Period start error|Lower pliocene}}
  • {{Period start error/sandbox|Lower pliocene}}
Zanclean
  • {{Period start error|Zanclean}}
  • {{Period start error/sandbox|Zanclean}}
Blancan
  • {{Period start error|Blancan}}
  • {{Period start error/sandbox|Blancan}}
Late pliocene
  • {{Period start error|Late pliocene}}
  • {{Period start error/sandbox|Late pliocene}}
Piacenzian
  • {{Period start error|Piacenzian}}
  • {{Period start error/sandbox|Piacenzian}}
Quaternary
  • {{Period start error|Quaternary}}
  • {{Period start error/sandbox|Quaternary}}
Pleistocene
  • {{Period start error|Pleistocene}}
  • {{Period start error/sandbox|Pleistocene}}
Early pleistocene
  • {{Period start error|Early pleistocene}}
  • {{Period start error/sandbox|Early pleistocene}}
Lower pleistocene
  • {{Period start error|Lower pleistocene}}
  • {{Period start error/sandbox|Lower pleistocene}}
Gelasian
  • {{Period start error|Gelasian}}
  • {{Period start error/sandbox|Gelasian}}
Calabrian
  • {{Period start error|Calabrian}}
  • {{Period start error/sandbox|Calabrian}}
Irvingtonian
  • {{Period start error|Irvingtonian}}
  • {{Period start error/sandbox|Irvingtonian}}
Middle pleistocene
  • {{Period start error|Middle pleistocene}}
  • {{Period start error/sandbox|Middle pleistocene}}
Chibanian
  • {{Period start error|Chibanian}}
  • {{Period start error/sandbox|Chibanian}}
Ionian
  • {{Period start error|Ionian}}
  • {{Period start error/sandbox|Ionian}}
Rancholabrean
  • {{Period start error|Rancholabrean}}
  • {{Period start error/sandbox|Rancholabrean}}
Late pleistocene
  • {{Period start error|Late pleistocene}}
  • {{Period start error/sandbox|Late pleistocene}}
Upper Pleistocene
  • {{Period start error|Upper Pleistocene}}
  • {{Period start error/sandbox|Upper Pleistocene}}
Tarantian
  • {{Period start error|Tarantian}}
  • {{Period start error/sandbox|Tarantian}}
Holocene
  • {{Period start error|Holocene}} → ± 0.000099
  • {{Period start error/sandbox|Holocene}} → ± 0.000099
Early Holocene
  • {{Period start error|Early Holocene}} → ± 0.000099
  • {{Period start error/sandbox|Early Holocene}} → ± 0.000099
Lower Holocene
  • {{Period start error|Lower Holocene}} → ± 0.000099
  • {{Period start error/sandbox|Lower Holocene}} → ± 0.000099
Greenlandian
  • {{Period start error|Greenlandian}} → ± 0.000099
  • {{Period start error/sandbox|Greenlandian}} → ± 0.000099
Middle Holocene
  • {{Period start error|Middle Holocene}}
  • {{Period start error/sandbox|Middle Holocene}}
Northgrippian
  • {{Period start error|Northgrippian}}
  • {{Period start error/sandbox|Northgrippian}}
Upper Holocene
  • {{Period start error|Upper Holocene}}
  • {{Period start error/sandbox|Upper Holocene}}
Late Holocene
  • {{Period start error|Late Holocene}}
  • {{Period start error/sandbox|Late Holocene}}
Meghalayan
  • {{Period start error|Meghalayan}}
  • {{Period start error/sandbox|Meghalayan}}
Now
  • {{Period start error|Now}}
  • {{Period start error/sandbox|Now}}
Recent
  • {{Period start error|Recent}}
  • {{Period start error/sandbox|Recent}}
Present
  • {{Period start error|Present}}
  • {{Period start error/sandbox|Present}}
Current
  • {{Period start error|Current}}
  • {{Period start error/sandbox|Current}}