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Template:Period start/testcases

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Burgess shale
  • {{Period start|Burgess shale}} → 508
  • {{Period start/sandbox|Burgess shale}} → 508
Mid middle cambrian
  • {{Period start|Mid middle cambrian}} → 508
  • {{Period start/sandbox|Mid middle cambrian}} → 508
Chengjiang
  • {{Period start|Chengjiang}} → 518
  • {{Period start/sandbox|Chengjiang}} → 518
Sirius passet
  • {{Period start|Sirius passet}} → 518
  • {{Period start/sandbox|Sirius passet}} → 518
Doushantou
  • {{Period start|Doushantou}} → 570
  • {{Period start/sandbox|Doushantou}} → 570
Hadean
  • {{Period start|Hadean}} → 4567.3
  • {{Period start/sandbox|Hadean}} → 4567.3
Precambrian
  • {{Period start|Precambrian}} → 4567.3
  • {{Period start/sandbox|Precambrian}} → 4567.3
Archean
  • {{Period start|Archean}} → 4031
  • {{Period start/sandbox|Archean}} → 4000
Eoarchean
  • {{Period start|Eoarchean}} → 4031
  • {{Period start/sandbox|Eoarchean}} → 4000
Isuan
  • {{Period start|Isuan}} → 4031
  • {{Period start/sandbox|Isuan}} → 4000
Paleoarchean
  • {{Period start|Paleoarchean}} → 3600
  • {{Period start/sandbox|Paleoarchean}} → 3600
Palaeoarchean
  • {{Period start|Palaeoarchean}} → 3600
  • {{Period start/sandbox|Palaeoarchean}} → 3600
Mesoarchean
  • {{Period start|Mesoarchean}} → 3200
  • {{Period start/sandbox|Mesoarchean}} → 3200
Neoarchean
  • {{Period start|Neoarchean}} → 2800
  • {{Period start/sandbox|Neoarchean}} → 2800
Proterozoic
  • {{Period start|Proterozoic}} → 2500
  • {{Period start/sandbox|Proterozoic}} → 2500
Paleoproterozoic
  • {{Period start|Paleoproterozoic}} → 2500
  • {{Period start/sandbox|Paleoproterozoic}} → 2500
Palaeoproterozoic
  • {{Period start|Palaeoproterozoic}} → 2500
  • {{Period start/sandbox|Palaeoproterozoic}} → 2500
Siderian
  • {{Period start|Siderian}} → 2500
  • {{Period start/sandbox|Siderian}} → 2500
Rhyacian
  • {{Period start|Rhyacian}} → 2300
  • {{Period start/sandbox|Rhyacian}} → 2300
Orosirian
  • {{Period start|Orosirian}} → 2050
  • {{Period start/sandbox|Orosirian}} → 2050
Statherian
  • {{Period start|Statherian}} → 1800
  • {{Period start/sandbox|Statherian}} → 1800
Mesoproterozoic
  • {{Period start|Mesoproterozoic}} → 1600
  • {{Period start/sandbox|Mesoproterozoic}} → 1600
Calymmian
  • {{Period start|Calymmian}} → 1600
  • {{Period start/sandbox|Calymmian}} → 1600
Riphean
  • {{Period start|Riphean}} → 1400
  • {{Period start/sandbox|Riphean}} → 1400
Ectasian
  • {{Period start|Ectasian}} → 1400
  • {{Period start/sandbox|Ectasian}} → 1400
Stenian
  • {{Period start|Stenian}} → 1200
  • {{Period start/sandbox|Stenian}} → 1200
Neoproterozoic
  • {{Period start|Neoproterozoic}} → 1000
  • {{Period start/sandbox|Neoproterozoic}} → 1000
Tonian
  • {{Period start|Tonian}} → 1000
  • {{Period start/sandbox|Tonian}} → 1000
Cryogenian
  • {{Period start|Cryogenian}} → 720
  • {{Period start/sandbox|Cryogenian}} → 720
Baikalian
  • {{Period start|Baikalian}} → 850
  • {{Period start/sandbox|Baikalian}} → 850
Ediacaran
  • {{Period start|Ediacaran}} → 635
  • {{Period start/sandbox|Ediacaran}} → 635
Vendian
  • {{Period start|Vendian}} → 635
  • {{Period start/sandbox|Vendian}} → 635
Mayanian
  • {{Period start|Mayanian}} → 1100
  • {{Period start/sandbox|Mayanian}} → 1100
Sinian
  • {{Period start|Sinian}} → 1050
  • {{Period start/sandbox|Sinian}} → 1050
Sturtian
  • {{Period start|Sturtian}} → 1050
  • {{Period start/sandbox|Sturtian}} → 1050
Phanerozoic
  • {{Period start|Phanerozoic}} → 538.8
  • {{Period start/sandbox|Phanerozoic}} → 538.8
Paleozoic
  • {{Period start|Paleozoic}} → 538.8
  • {{Period start/sandbox|Paleozoic}} → 538.8
Cambrian
  • {{Period start|Cambrian}} → 538.8
  • {{Period start/sandbox|Cambrian}} → 538.8
Earliest-cambrian
  • {{Period start|Earliest-cambrian}} → 538.8
  • {{Period start/sandbox|Earliest-cambrian}} → 538.8
Early-cambrian
  • {{Period start|Early-cambrian}} → 538.8
  • {{Period start/sandbox|Early-cambrian}} → 538.8
Lower-cambrian
  • {{Period start|Lower-cambrian}} → 538.8
  • {{Period start/sandbox|Lower-cambrian}} → 538.8
Terreneuvian
  • {{Period start|Terreneuvian}} → 538.8
  • {{Period start/sandbox|Terreneuvian}} → 538.8
Fortunian
  • {{Period start|Fortunian}} → 538.8
  • {{Period start/sandbox|Fortunian}} → 538.8
Manykaian
  • {{Period start|Manykaian}} → 538.8
  • {{Period start/sandbox|Manykaian}} → 538.8
Nemakit-daldynian
  • {{Period start|Nemakit-daldynian}} → 538.8
  • {{Period start/sandbox|Nemakit-daldynian}} → 538.8
Caerfai
  • {{Period start|Caerfai}} → 530
  • {{Period start/sandbox|Caerfai}} → 530
Tommotian
  • {{Period start|Tommotian}} → 530
  • {{Period start/sandbox|Tommotian}} → 530
Cambrian stage 2
  • {{Period start|Cambrian stage 2}} → 529
  • {{Period start/sandbox|Cambrian stage 2}} → 529
Atdabanian
  • {{Period start|Atdabanian}} → 521
  • {{Period start/sandbox|Atdabanian}} → 521
Series 2
  • {{Period start|Series 2}} → 521
  • {{Period start/sandbox|Series 2}} → 521
Cambrian series 2
  • {{Period start|Cambrian series 2}} → 521
  • {{Period start/sandbox|Cambrian series 2}} → 521
Stage 3
  • {{Period start|Stage 3}} → 521
  • {{Period start/sandbox|Stage 3}} → 521
Cambrian stage 3
  • {{Period start|Cambrian stage 3}} → 521
  • {{Period start/sandbox|Cambrian stage 3}} → 521
Mid early cambrian
  • {{Period start|Mid early cambrian}} → 521
  • {{Period start/sandbox|Mid early cambrian}} → 521
Middle early cambrian
  • {{Period start|Middle early cambrian}} → 521
  • {{Period start/sandbox|Middle early cambrian}} → 521
Botomian
  • {{Period start|Botomian}} → 522
  • {{Period start/sandbox|Botomian}} → 522
Toyonian
  • {{Period start|Toyonian}} → 516
  • {{Period start/sandbox|Toyonian}} → 516
Late early cambrian
  • {{Period start|Late early cambrian}} → 516
  • {{Period start/sandbox|Late early cambrian}} → 516
Upper early cambrian
  • {{Period start|Upper early cambrian}} → 516
  • {{Period start/sandbox|Upper early cambrian}} → 516
Upper lower cambrian
  • {{Period start|Upper lower cambrian}} → 516
  • {{Period start/sandbox|Upper lower cambrian}} → 516
Cambrian stage 4
  • {{Period start|Cambrian stage 4}} → 514
  • {{Period start/sandbox|Cambrian stage 4}} → 514
Stage 4
  • {{Period start|Stage 4}} → 514
  • {{Period start/sandbox|Stage 4}} → 514
Middle cambrian
  • {{Period start|Middle cambrian}} → 509
  • {{Period start/sandbox|Middle cambrian}} → 509
Early middle cambrian
  • {{Period start|Early middle cambrian}} → 509
  • {{Period start/sandbox|Early middle cambrian}} → 509
Mid cambrian
  • {{Period start|Mid cambrian}} → 509
  • {{Period start/sandbox|Mid cambrian}} → 509
Miaolingian
  • {{Period start|Miaolingian}} → 509
  • {{Period start/sandbox|Miaolingian}} → 509
Wuliuan
  • {{Period start|Wuliuan}} → 509
  • {{Period start/sandbox|Wuliuan}} → 509
St davids
  • {{Period start|St davids}} → 509
  • {{Period start/sandbox|St davids}} → 509
Drumian
  • {{Period start|Drumian}} → 504.5
  • {{Period start/sandbox|Drumian}} → 504.5
Guzhangian
  • {{Period start|Guzhangian}} → 500.5
  • {{Period start/sandbox|Guzhangian}} → 500.5
Nganasanian
  • {{Period start|Nganasanian}} → 500.5
  • {{Period start/sandbox|Nganasanian}} → 500.5
Mindyallan
  • {{Period start|Mindyallan}} → 500.5
  • {{Period start/sandbox|Mindyallan}} → 500.5
Merioneth
  • {{Period start|Merioneth}} → 497
  • {{Period start/sandbox|Merioneth}} → 497
Furongian
  • {{Period start|Furongian}} → 497
  • {{Period start/sandbox|Furongian}} → 497
Late cambrian
  • {{Period start|Late cambrian}} → 497
  • {{Period start/sandbox|Late cambrian}} → 497
Upper cambrian
  • {{Period start|Upper cambrian}} → 497
  • {{Period start/sandbox|Upper cambrian}} → 497
Paibian
  • {{Period start|Paibian}} → 497
  • {{Period start/sandbox|Paibian}} → 497
Franconian
  • {{Period start|Franconian}} → 497
  • {{Period start/sandbox|Franconian}} → 497
Upper upper cambrian
  • {{Period start|Upper upper cambrian}} → 489.5
  • {{Period start/sandbox|Upper upper cambrian}} → 489.5
Late late cambrian
  • {{Period start|Late late cambrian}} → 489.5
  • {{Period start/sandbox|Late late cambrian}} → 489.5
Mansian
  • {{Period start|Mansian}} → 489.5
  • {{Period start/sandbox|Mansian}} → 489.5
Ordovician
  • {{Period start|Ordovician}} → 485.4
  • {{Period start/sandbox|Ordovician}} → 485.4
Early ordovician
  • {{Period start|Early ordovician}} → 485.4
  • {{Period start/sandbox|Early ordovician}} → 485.4
Lower ordovician
  • {{Period start|Lower ordovician}} → 485.4
  • {{Period start/sandbox|Lower ordovician}} → 485.4
Tremadocian
  • {{Period start|Tremadocian}} → 485.4
  • {{Period start/sandbox|Tremadocian}} → 485.4
Late early ordovician
  • {{Period start|Late early ordovician}} → 479
  • {{Period start/sandbox|Late early ordovician}} → 479
Arenig
  • {{Period start|Arenig}} → 477.7
  • {{Period start/sandbox|Arenig}} → 477.7
Floian
  • {{Period start|Floian}} → 477.7
  • {{Period start/sandbox|Floian}} → 477.7
Dapingian
  • {{Period start|Dapingian}} → 470
  • {{Period start/sandbox|Dapingian}} → 470
Middle ordovician
  • {{Period start|Middle ordovician}} → 470
  • {{Period start/sandbox|Middle ordovician}} → 470
Mid ordovician
  • {{Period start|Mid ordovician}} → 470
  • {{Period start/sandbox|Mid ordovician}} → 470
Ordovician iii
  • {{Period start|Ordovician iii}} → 470
  • {{Period start/sandbox|Ordovician iii}} → 470
Early middle ordovician
  • {{Period start|Early middle ordovician}} → 470
  • {{Period start/sandbox|Early middle ordovician}} → 470
Darriwilian
  • {{Period start|Darriwilian}} → 467.3
  • {{Period start/sandbox|Darriwilian}} → 467.3
Late ordovician
  • {{Period start|Late ordovician}} → 458.4
  • {{Period start/sandbox|Late ordovician}} → 458.4
Upper ordovician
  • {{Period start|Upper ordovician}} → 458.4
  • {{Period start/sandbox|Upper ordovician}} → 458.4
Ordovician v
  • {{Period start|Ordovician v}} → 458.4
  • {{Period start/sandbox|Ordovician v}} → 458.4
Sandbian
  • {{Period start|Sandbian}} → 458.4
  • {{Period start/sandbox|Sandbian}} → 458.4
Early late ordovician
  • {{Period start|Early late ordovician}} → 458.4
  • {{Period start/sandbox|Early late ordovician}} → 458.4
Ordovician vi
  • {{Period start|Ordovician vi}} → 453
  • {{Period start/sandbox|Ordovician vi}} → 453
Katian
  • {{Period start|Katian}} → 453
  • {{Period start/sandbox|Katian}} → 453
Hirnantian
  • {{Period start|Hirnantian}} → 445.2
  • {{Period start/sandbox|Hirnantian}} → 445.2
Middle late ordovician
  • {{Period start|Middle late ordovician}} → 455
  • {{Period start/sandbox|Middle late ordovician}} → 455
Silurian
  • {{Period start|Silurian}} → 443.8
  • {{Period start/sandbox|Silurian}} → 443.8
Early silurian
  • {{Period start|Early silurian}} → 443.8
  • {{Period start/sandbox|Early silurian}} → 443.8
Lower silurian
  • {{Period start|Lower silurian}} → 443.8
  • {{Period start/sandbox|Lower silurian}} → 443.8
Llandovery
  • {{Period start|Llandovery}} → 443.8
  • {{Period start/sandbox|Llandovery}} → 443.8
Rhuddanian
  • {{Period start|Rhuddanian}} → 443.8
  • {{Period start/sandbox|Rhuddanian}} → 443.8
Aeronian
  • {{Period start|Aeronian}} → 440.8
  • {{Period start/sandbox|Aeronian}} → 440.8
Telychian
  • {{Period start|Telychian}} → 438.5
  • {{Period start/sandbox|Telychian}} → 438.5
Wenlock
  • {{Period start|Wenlock}} → 433.4
  • {{Period start/sandbox|Wenlock}} → 433.4
Sheinwoodian
  • {{Period start|Sheinwoodian}} → 433.4
  • {{Period start/sandbox|Sheinwoodian}} → 433.4
Homerian
  • {{Period start|Homerian}} → 430.5
  • {{Period start/sandbox|Homerian}} → 430.5
Late silurian
  • {{Period start|Late silurian}} → 427.4
  • {{Period start/sandbox|Late silurian}} → 427.4
Upper silurian
  • {{Period start|Upper silurian}} → 427.4
  • {{Period start/sandbox|Upper silurian}} → 427.4
Ludlow
  • {{Period start|Ludlow}} → 427.4
  • {{Period start/sandbox|Ludlow}} → 427.4
Gorstian
  • {{Period start|Gorstian}} → 427.4
  • {{Period start/sandbox|Gorstian}} → 427.4
Ludfordian
  • {{Period start|Ludfordian}} → 425.6
  • {{Period start/sandbox|Ludfordian}} → 425.6
Pridoli
  • {{Period start|Pridoli}} → 423
  • {{Period start/sandbox|Pridoli}} → 423
Unnamed pridoli stage
  • {{Period start|Unnamed pridoli stage}} → 423
  • {{Period start/sandbox|Unnamed pridoli stage}} → 423
Devonian
  • {{Period start|Devonian}} → 419.2
  • {{Period start/sandbox|Devonian}} → 419.2
Early devonian
  • {{Period start|Early devonian}} → 419.2
  • {{Period start/sandbox|Early devonian}} → 419.2
Lower devonian
  • {{Period start|Lower devonian}} → 419.2
  • {{Period start/sandbox|Lower devonian}} → 419.2
Lochkovian
  • {{Period start|Lochkovian}} → 419.2
  • {{Period start/sandbox|Lochkovian}} → 419.2
Downtonian
  • {{Period start|Downtonian}} → 419.2
  • {{Period start/sandbox|Downtonian}} → 419.2
Pragian
  • {{Period start|Pragian}} → 410.8
  • {{Period start/sandbox|Pragian}} → 410.8
Praghian
  • {{Period start|Praghian}} → 410.8
  • {{Period start/sandbox|Praghian}} → 410.8
Emsian
  • {{Period start|Emsian}} → 407.6
  • {{Period start/sandbox|Emsian}} → 407.6
Middle devonian
  • {{Period start|Middle devonian}} → 393.3
  • {{Period start/sandbox|Middle devonian}} → 393.3
Mid devonian
  • {{Period start|Mid devonian}} → 393.3
  • {{Period start/sandbox|Mid devonian}} → 393.3
Eifelian
  • {{Period start|Eifelian}} → 393.3
  • {{Period start/sandbox|Eifelian}} → 393.3
Givetian
  • {{Period start|Givetian}} → 387.7
  • {{Period start/sandbox|Givetian}} → 387.7
Late devonian
  • {{Period start|Late devonian}} → 382.7
  • {{Period start/sandbox|Late devonian}} → 382.7
Upper devonian
  • {{Period start|Upper devonian}} → 382.7
  • {{Period start/sandbox|Upper devonian}} → 382.7
Frasnian
  • {{Period start|Frasnian}} → 382.7
  • {{Period start/sandbox|Frasnian}} → 382.7
Famennian
  • {{Period start|Famennian}} → 372.2
  • {{Period start/sandbox|Famennian}} → 372.2
Early carboniferous
  • {{Period start|Early carboniferous}} → 358.9
  • {{Period start/sandbox|Early carboniferous}} → 358.9
Lower carboniferous
  • {{Period start|Lower carboniferous}} → 358.9
  • {{Period start/sandbox|Lower carboniferous}} → 358.9
Carboniferous
  • {{Period start|Carboniferous}} → 358.9
  • {{Period start/sandbox|Carboniferous}} → 358.9
Mississippian
  • {{Period start|Mississippian}} → 358.9
  • {{Period start/sandbox|Mississippian}} → 358.9
Early mississippian
  • {{Period start|Early mississippian}} → 358.9
  • {{Period start/sandbox|Early mississippian}} → 358.9
Lower mississippian
  • {{Period start|Lower mississippian}} → 358.9
  • {{Period start/sandbox|Lower mississippian}} → 358.9
Tournaisian
  • {{Period start|Tournaisian}} → 358.9
  • {{Period start/sandbox|Tournaisian}} → 358.9
Middle mississippian
  • {{Period start|Middle mississippian}} → 346.7
  • {{Period start/sandbox|Middle mississippian}} → 346.7
Visean
  • {{Period start|Visean}} → 346.7
  • {{Period start/sandbox|Visean}} → 346.7
Late mississippian
  • {{Period start|Late mississippian}} → 330.9
  • {{Period start/sandbox|Late mississippian}} → 330.9
Serpukhovian
  • {{Period start|Serpukhovian}} → 330.9
  • {{Period start/sandbox|Serpukhovian}} → 330.9
Namurian
  • {{Period start|Namurian}} → 326
  • {{Period start/sandbox|Namurian}} → 326
Upper carboniferous
  • {{Period start|Upper carboniferous}} → 323.2
  • {{Period start/sandbox|Upper carboniferous}} → 323.2
Late carboniferous
  • {{Period start|Late carboniferous}} → 323.2
  • {{Period start/sandbox|Late carboniferous}} → 323.2
Pennsylvanian
  • {{Period start|Pennsylvanian}} → 323.2
  • {{Period start/sandbox|Pennsylvanian}} → 323.2
Early pennsylvanian
  • {{Period start|Early pennsylvanian}} → 323.2
  • {{Period start/sandbox|Early pennsylvanian}} → 323.2
Lower pennsylvanian
  • {{Period start|Lower pennsylvanian}} → 323.2
  • {{Period start/sandbox|Lower pennsylvanian}} → 323.2
Bashkirian
  • {{Period start|Bashkirian}} → 323.2
  • {{Period start/sandbox|Bashkirian}} → 323.2
Westphalian
  • {{Period start|Westphalian}} → 313
  • {{Period start/sandbox|Westphalian}} → 313
Middle pennsylvanian
  • {{Period start|Middle pennsylvanian}} → 315.2
  • {{Period start/sandbox|Middle pennsylvanian}} → 315.2
Moscovian
  • {{Period start|Moscovian}} → 315.2
  • {{Period start/sandbox|Moscovian}} → 315.2
Late pennsylvanian
  • {{Period start|Late pennsylvanian}} → 307
  • {{Period start/sandbox|Late pennsylvanian}} → 307
Kasimovian
  • {{Period start|Kasimovian}} → 307
  • {{Period start/sandbox|Kasimovian}} → 307
Stephanian
  • {{Period start|Stephanian}} → 304
  • {{Period start/sandbox|Stephanian}} → 304
Gzhelian
  • {{Period start|Gzhelian}} → 303.7
  • {{Period start/sandbox|Gzhelian}} → 303.7
Permian
  • {{Period start|Permian}} → 298.9
  • {{Period start/sandbox|Permian}} → 298.9
Early permian
  • {{Period start|Early permian}} → 298.9
  • {{Period start/sandbox|Early permian}} → 298.9
Lower permian
  • {{Period start|Lower permian}} → 298.9
  • {{Period start/sandbox|Lower permian}} → 298.9
Cisuralian
  • {{Period start|Cisuralian}} → 298.9
  • {{Period start/sandbox|Cisuralian}} → 298.9
Asselian
  • {{Period start|Asselian}} → 298.9
  • {{Period start/sandbox|Asselian}} → 298.9
Sakmarian
  • {{Period start|Sakmarian}} → 293.52
  • {{Period start/sandbox|Sakmarian}} → 293.52
Artinskian
  • {{Period start|Artinskian}} → 290.1
  • {{Period start/sandbox|Artinskian}} → 290.1
Kungurian
  • {{Period start|Kungurian}} → 283.5
  • {{Period start/sandbox|Kungurian}} → 283.5
Guadalupian
  • {{Period start|Guadalupian}} → 273.01
  • {{Period start/sandbox|Guadalupian}} → 273.01
Middle permian
  • {{Period start|Middle permian}} → 273.01
  • {{Period start/sandbox|Middle permian}} → 273.01
Mid permian
  • {{Period start|Mid permian}} → 273.01
  • {{Period start/sandbox|Mid permian}} → 273.01
Roadian
  • {{Period start|Roadian}} → 273.01
  • {{Period start/sandbox|Roadian}} → 273.01
Ufimian
  • {{Period start|Ufimian}} → 273.01
  • {{Period start/sandbox|Ufimian}} → 273.01
Wordian
  • {{Period start|Wordian}} → 266.9
  • {{Period start/sandbox|Wordian}} → 266.9
Capitanian
  • {{Period start|Capitanian}} → 264.28
  • {{Period start/sandbox|Capitanian}} → 264.28
Late permian
  • {{Period start|Late permian}} → 259.51
  • {{Period start/sandbox|Late permian}} → 259.51
Upper permian
  • {{Period start|Upper permian}} → 259.51
  • {{Period start/sandbox|Upper permian}} → 259.51
Lopingian
  • {{Period start|Lopingian}} → 259.51
  • {{Period start/sandbox|Lopingian}} → 259.51
Wuchiapingian
  • {{Period start|Wuchiapingian}} → 259.51
  • {{Period start/sandbox|Wuchiapingian}} → 259.51
Longtanian
  • {{Period start|Longtanian}} → 259.51
  • {{Period start/sandbox|Longtanian}} → 259.51
Changhsingian
  • {{Period start|Changhsingian}} → 254.14
  • {{Period start/sandbox|Changhsingian}} → 254.14
Mesozoic
  • {{Period start|Mesozoic}} → 251.902
  • {{Period start/sandbox|Mesozoic}} → 251.902
Triassic
  • {{Period start|Triassic}} → 251.902
  • {{Period start/sandbox|Triassic}} → 251.902
Early triassic
  • {{Period start|Early triassic}} → 251.902
  • {{Period start/sandbox|Early triassic}} → 251.902
Lower triassic
  • {{Period start|Lower triassic}} → 251.902
  • {{Period start/sandbox|Lower triassic}} → 251.902
Induan
  • {{Period start|Induan}} → 251.902
  • {{Period start/sandbox|Induan}} → 251.902
Olenekian
  • {{Period start|Olenekian}} → 251.2
  • {{Period start/sandbox|Olenekian}} → 251.2
Spathian
  • {{Period start|Spathian}} → 251.2
  • {{Period start/sandbox|Spathian}} → 251.2
Middle triassic
  • {{Period start|Middle triassic}} → 247.2
  • {{Period start/sandbox|Middle triassic}} → 247.2
Mid triassic
  • {{Period start|Mid triassic}} → 247.2
  • {{Period start/sandbox|Mid triassic}} → 247.2
Anisian
  • {{Period start|Anisian}} → 247.2
  • {{Period start/sandbox|Anisian}} → 247.2
Ladinian
  • {{Period start|Ladinian}} → 242
  • {{Period start/sandbox|Ladinian}} → 242
Late triassic
  • {{Period start|Late triassic}} → 237
  • {{Period start/sandbox|Late triassic}} → 237
Upper triassic
  • {{Period start|Upper triassic}} → 237
  • {{Period start/sandbox|Upper triassic}} → 237
Carnian
  • {{Period start|Carnian}} → 237
  • {{Period start/sandbox|Carnian}} → 237
Norian
  • {{Period start|Norian}} → 227
  • {{Period start/sandbox|Norian}} → 227
Rhaetian
  • {{Period start|Rhaetian}} → 208.5
  • {{Period start/sandbox|Rhaetian}} → 208.5
Jurassic
  • {{Period start|Jurassic}} → 201.4
  • {{Period start/sandbox|Jurassic}} → 201.4
Early jurassic
  • {{Period start|Early jurassic}} → 201.4
  • {{Period start/sandbox|Early jurassic}} → 201.4
Lower jurassic
  • {{Period start|Lower jurassic}} → 201.4
  • {{Period start/sandbox|Lower jurassic}} → 201.4
Hettangian
  • {{Period start|Hettangian}} → 201.4
  • {{Period start/sandbox|Hettangian}} → 201.4
Sinemurian
  • {{Period start|Sinemurian}} → 199.5
  • {{Period start/sandbox|Sinemurian}} → 199.5
Pliensbachian
  • {{Period start|Pliensbachian}} → 192.9
  • {{Period start/sandbox|Pliensbachian}} → 192.9
Toarcian
  • {{Period start|Toarcian}} → 184.2
  • {{Period start/sandbox|Toarcian}} → 184.2
Middle jurassic
  • {{Period start|Middle jurassic}} → 174.7
  • {{Period start/sandbox|Middle jurassic}} → 174.7
Mid jurassic
  • {{Period start|Mid jurassic}} → 174.7
  • {{Period start/sandbox|Mid jurassic}} → 174.7
Aalenian
  • {{Period start|Aalenian}} → 174.7
  • {{Period start/sandbox|Aalenian}} → 174.7
Bajocian
  • {{Period start|Bajocian}} → 170.9
  • {{Period start/sandbox|Bajocian}} → 170.9
Bathonian
  • {{Period start|Bathonian}} → 168.2
  • {{Period start/sandbox|Bathonian}} → 168.2
Callovian
  • {{Period start|Callovian}} → 165.3
  • {{Period start/sandbox|Callovian}} → 165.3
Late jurassic
  • {{Period start|Late jurassic}} → 161.5
  • {{Period start/sandbox|Late jurassic}} → 161.5
Upper jurassic
  • {{Period start|Upper jurassic}} → 161.5
  • {{Period start/sandbox|Upper jurassic}} → 161.5
Oxfordian
  • {{Period start|Oxfordian}} → 161.5
  • {{Period start/sandbox|Oxfordian}} → 161.5
Kimmeridgian
  • {{Period start|Kimmeridgian}} → 154.8
  • {{Period start/sandbox|Kimmeridgian}} → 154.8
Tithonian
  • {{Period start|Tithonian}} → 149.2
  • {{Period start/sandbox|Tithonian}} → 149.2
Cretaceous
  • {{Period start|Cretaceous}} → 145
  • {{Period start/sandbox|Cretaceous}} → 145
Early cretaceous
  • {{Period start|Early cretaceous}} → 145
  • {{Period start/sandbox|Early cretaceous}} → 145
Lower cretaceous
  • {{Period start|Lower cretaceous}} → 145
  • {{Period start/sandbox|Lower cretaceous}} → 145
Berriasian
  • {{Period start|Berriasian}} → 145
  • {{Period start/sandbox|Berriasian}} → 145
Neocomian
  • {{Period start|Neocomian}} → 145
  • {{Period start/sandbox|Neocomian}} → 145
Valanginian
  • {{Period start|Valanginian}} → 139.8
  • {{Period start/sandbox|Valanginian}} → 139.8
Hauterivian
  • {{Period start|Hauterivian}} → 132.6
  • {{Period start/sandbox|Hauterivian}} → 132.6
Barremian
  • {{Period start|Barremian}} → 125.77
  • {{Period start/sandbox|Barremian}} → 125.77
Gallic
  • {{Period start|Gallic}} → 125.77
  • {{Period start/sandbox|Gallic}} → 125.77
Aptian
  • {{Period start|Aptian}} → 121.4
  • {{Period start/sandbox|Aptian}} → 121.4
Albian
  • {{Period start|Albian}} → 113
  • {{Period start/sandbox|Albian}} → 113
Late cretaceous
  • {{Period start|Late cretaceous}} → 100.5
  • {{Period start/sandbox|Late cretaceous}} → 100.5
Upper cretaceous
  • {{Period start|Upper cretaceous}} → 100.5
  • {{Period start/sandbox|Upper cretaceous}} → 100.5
Cenomanian
  • {{Period start|Cenomanian}} → 100.5
  • {{Period start/sandbox|Cenomanian}} → 100.5
Turonian
  • {{Period start|Turonian}} → 93.9
  • {{Period start/sandbox|Turonian}} → 93.9
Coniacian
  • {{Period start|Coniacian}} → 89.8
  • {{Period start/sandbox|Coniacian}} → 89.8
Senonian
  • {{Period start|Senonian}} → 89.8
  • {{Period start/sandbox|Senonian}} → 89.8
Santonian
  • {{Period start|Santonian}} → 86.3
  • {{Period start/sandbox|Santonian}} → 86.3
Campanian
  • {{Period start|Campanian}} → 83.6
  • {{Period start/sandbox|Campanian}} → 83.6
Maastrichtian
  • {{Period start|Maastrichtian}} → 72.1
  • {{Period start/sandbox|Maastrichtian}} → 72.1
Cenozoic
  • {{Period start|Cenozoic}} → 66
  • {{Period start/sandbox|Cenozoic}} → 66
Paleogene
  • {{Period start|Paleogene}} → 66
  • {{Period start/sandbox|Paleogene}} → 66
Paleocene
  • {{Period start|Paleocene}} → 66
  • {{Period start/sandbox|Paleocene}} → 66
Early paleocene
  • {{Period start|Early paleocene}} → 66
  • {{Period start/sandbox|Early paleocene}} → 66
Lower paleocene
  • {{Period start|Lower paleocene}} → 66
  • {{Period start/sandbox|Lower paleocene}} → 66
Tertiary
  • {{Period start|Tertiary}} → 66
  • {{Period start/sandbox|Tertiary}} → 66
Danian
  • {{Period start|Danian}} → 66
  • {{Period start/sandbox|Danian}} → 66
Puercan
  • {{Period start|Puercan}} → 65
  • {{Period start/sandbox|Puercan}} → 65
Torrejonian
  • {{Period start|Torrejonian}} → 63.3
  • {{Period start/sandbox|Torrejonian}} → 63.3
Middle paleocene
  • {{Period start|Middle paleocene}} → 61.6
  • {{Period start/sandbox|Middle paleocene}} → 61.6
Selandian
  • {{Period start|Selandian}} → 61.6
  • {{Period start/sandbox|Selandian}} → 61.6
Tiffanian
  • {{Period start|Tiffanian}} → 60.2
  • {{Period start/sandbox|Tiffanian}} → 60.2
Late paleocene
  • {{Period start|Late paleocene}} → 59.2
  • {{Period start/sandbox|Late paleocene}} → 59.2
Thanetian
  • {{Period start|Thanetian}} → 59.2
  • {{Period start/sandbox|Thanetian}} → 59.2
Clarkforkian
  • {{Period start|Clarkforkian}} → 56.8
  • {{Period start/sandbox|Clarkforkian}} → 56.8
Eocene
  • {{Period start|Eocene}} → 56
  • {{Period start/sandbox|Eocene}} → 56
Early eocene
  • {{Period start|Early eocene}} → 56
  • {{Period start/sandbox|Early eocene}} → 56
Lower eocene
  • {{Period start|Lower eocene}} → 56
  • {{Period start/sandbox|Lower eocene}} → 56
Ypresian
  • {{Period start|Ypresian}} → 56
  • {{Period start/sandbox|Ypresian}} → 56
Mp 10
  • {{Period start|Mp 10}} → 56
  • {{Period start/sandbox|Mp 10}} → 56
Wasatchian
  • {{Period start|Wasatchian}} → 55.4
  • {{Period start/sandbox|Wasatchian}} → 55.4
Bridgerian
  • {{Period start|Bridgerian}} → 50.3
  • {{Period start/sandbox|Bridgerian}} → 50.3
Middle eocene
  • {{Period start|Middle eocene}} → 47.8
  • {{Period start/sandbox|Middle eocene}} → 47.8
Lutetian
  • {{Period start|Lutetian}} → 47.8
  • {{Period start/sandbox|Lutetian}} → 47.8
Mp 11
  • {{Period start|Mp 11}} → 47.8
  • {{Period start/sandbox|Mp 11}} → 47.8
Uintan
  • {{Period start|Uintan}} → 46.2
  • {{Period start/sandbox|Uintan}} → 46.2
Duchesnean
  • {{Period start|Duchesnean}} → 42
  • {{Period start/sandbox|Duchesnean}} → 42
Bartonian
  • {{Period start|Bartonian}} → 41.2
  • {{Period start/sandbox|Bartonian}} → 41.2
Chadronian
  • {{Period start|Chadronian}} → 38
  • {{Period start/sandbox|Chadronian}} → 38
Late eocene
  • {{Period start|Late eocene}} → 37.71
  • {{Period start/sandbox|Late eocene}} → 37.71
Priabonian
  • {{Period start|Priabonian}} → 37.71
  • {{Period start/sandbox|Priabonian}} → 37.71
Oligocene
  • {{Period start|Oligocene}} → 33.9
  • {{Period start/sandbox|Oligocene}} → 33.9
Early oligocene
  • {{Period start|Early oligocene}} → 33.9
  • {{Period start/sandbox|Early oligocene}} → 33.9
Lower oligocene
  • {{Period start|Lower oligocene}} → 33.9
  • {{Period start/sandbox|Lower oligocene}} → 33.9
Rupelian
  • {{Period start|Rupelian}} → 33.9
  • {{Period start/sandbox|Rupelian}} → 33.9
Orellan
  • {{Period start|Orellan}} → 33.9
  • {{Period start/sandbox|Orellan}} → 33.9
Whitneyan
  • {{Period start|Whitneyan}} → 33.3
  • {{Period start/sandbox|Whitneyan}} → 33.3
Arikeean
  • {{Period start|Arikeean}} → 30.6
  • {{Period start/sandbox|Arikeean}} → 30.6
Late oligocene
  • {{Period start|Late oligocene}} → 27.82
  • {{Period start/sandbox|Late oligocene}} → 27.82
Chattian
  • {{Period start|Chattian}} → 27.82
  • {{Period start/sandbox|Chattian}} → 27.82
Neogene
  • {{Period start|Neogene}} → 23.03
  • {{Period start/sandbox|Neogene}} → 23.03
Miocene
  • {{Period start|Miocene}} → 23.03
  • {{Period start/sandbox|Miocene}} → 23.03
Early miocene
  • {{Period start|Early miocene}} → 23.03
  • {{Period start/sandbox|Early miocene}} → 23.03
Lower miocene
  • {{Period start|Lower miocene}} → 23.03
  • {{Period start/sandbox|Lower miocene}} → 23.03
Aquitanian
  • {{Period start|Aquitanian}} → 23.03
  • {{Period start/sandbox|Aquitanian}} → 23.03
Hemingfordian
  • {{Period start|Hemingfordian}} → 20.6
  • {{Period start/sandbox|Hemingfordian}} → 20.6
Burdigalian
  • {{Period start|Burdigalian}} → 20.44
  • {{Period start/sandbox|Burdigalian}} → 20.44
Barstovian
  • {{Period start|Barstovian}} → 16.3
  • {{Period start/sandbox|Barstovian}} → 16.3
Middle miocene
  • {{Period start|Middle miocene}} → 15.98
  • {{Period start/sandbox|Middle miocene}} → 15.98
Langhian
  • {{Period start|Langhian}} → 15.98
  • {{Period start/sandbox|Langhian}} → 15.98
Serravallian
  • {{Period start|Serravallian}} → 13.82
  • {{Period start/sandbox|Serravallian}} → 13.82
Clarendonian
  • {{Period start|Clarendonian}} → 13.6
  • {{Period start/sandbox|Clarendonian}} → 13.6
Late miocene
  • {{Period start|Late miocene}} → 11.63
  • {{Period start/sandbox|Late miocene}} → 11.63
Tortonian
  • {{Period start|Tortonian}} → 11.63
  • {{Period start/sandbox|Tortonian}} → 11.63
Hemphillian
  • {{Period start|Hemphillian}} → 10.3
  • {{Period start/sandbox|Hemphillian}} → 10.3
Messinian
  • {{Period start|Messinian}} → 7.246
  • {{Period start/sandbox|Messinian}} → 7.246
Pliocene
  • {{Period start|Pliocene}} → 5.333
  • {{Period start/sandbox|Pliocene}} → 5.333
Early pliocene
  • {{Period start|Early pliocene}} → 5.333
  • {{Period start/sandbox|Early pliocene}} → 5.333
Lower pliocene
  • {{Period start|Lower pliocene}} → 5.333
  • {{Period start/sandbox|Lower pliocene}} → 5.333
Zanclean
  • {{Period start|Zanclean}} → 5.333
  • {{Period start/sandbox|Zanclean}} → 5.333
Blancan
  • {{Period start|Blancan}} → 4.75
  • {{Period start/sandbox|Blancan}} → 4.75
Late pliocene
  • {{Period start|Late pliocene}} → 3.6
  • {{Period start/sandbox|Late pliocene}} → 3.6
Piacenzian
  • {{Period start|Piacenzian}} → 3.6
  • {{Period start/sandbox|Piacenzian}} → 3.6
Quaternary
  • {{Period start|Quaternary}} → 2.58
  • {{Period start/sandbox|Quaternary}} → 2.58
Pleistocene
  • {{Period start|Pleistocene}} → 2.58
  • {{Period start/sandbox|Pleistocene}} → 2.58
Early pleistocene
  • {{Period start|Early pleistocene}} → 2.58
  • {{Period start/sandbox|Early pleistocene}} → 2.58
Lower pleistocene
  • {{Period start|Lower pleistocene}} → 2.58
  • {{Period start/sandbox|Lower pleistocene}} → 2.58
Gelasian
  • {{Period start|Gelasian}} → 2.58
  • {{Period start/sandbox|Gelasian}} → 2.58
Calabrian
  • {{Period start|Calabrian}} → 1.8
  • {{Period start/sandbox|Calabrian}} → 1.8
Irvingtonian
  • {{Period start|Irvingtonian}} → 1.8
  • {{Period start/sandbox|Irvingtonian}} → 1.8
Middle pleistocene
  • {{Period start|Middle pleistocene}} → 0.774
  • {{Period start/sandbox|Middle pleistocene}} → 0.774
Chibanian
  • {{Period start|Chibanian}} → 0.774
  • {{Period start/sandbox|Chibanian}} → 0.774
Ionian
  • {{Period start|Ionian}} → 0.774
  • {{Period start/sandbox|Ionian}} → 0.774
Rancholabrean
  • {{Period start|Rancholabrean}} → 0.24
  • {{Period start/sandbox|Rancholabrean}} → 0.24
Late pleistocene
  • {{Period start|Late pleistocene}} → 0.129
  • {{Period start/sandbox|Late pleistocene}} → 0.129
Upper Pleistocene
  • {{Period start|Upper Pleistocene}} → 0.129
  • {{Period start/sandbox|Upper Pleistocene}} → 0.129
Tarantian
  • {{Period start|Tarantian}} → 0.129
  • {{Period start/sandbox|Tarantian}} → 0.129
Holocene
  • {{Period start|Holocene}} → 0.0117
  • {{Period start/sandbox|Holocene}} → 0.0117
Early Holocene
  • {{Period start|Early Holocene}} → 0.0117
  • {{Period start/sandbox|Early Holocene}} → 0.0117
Lower Holocene
  • {{Period start|Lower Holocene}} → 0.0117
  • {{Period start/sandbox|Lower Holocene}} → 0.0117
Greenlandian
  • {{Period start|Greenlandian}} → 0.0117
  • {{Period start/sandbox|Greenlandian}} → 0.0117
Middle Holocene
  • {{Period start|Middle Holocene}} → 0.0082
  • {{Period start/sandbox|Middle Holocene}} → 0.0082
Northgrippian
  • {{Period start|Northgrippian}} → 0.0082
  • {{Period start/sandbox|Northgrippian}} → 0.0082
Upper Holocene
  • {{Period start|Upper Holocene}} → 0.0042
  • {{Period start/sandbox|Upper Holocene}} → 0.0042
Late Holocene
  • {{Period start|Late Holocene}} → 0.0042
  • {{Period start/sandbox|Late Holocene}} → 0.0042
Meghalayan
  • {{Period start|Meghalayan}} → 0.0042
  • {{Period start/sandbox|Meghalayan}} → 0.0042
Now
  • {{Period start|Now}} → 0
  • {{Period start/sandbox|Now}} → 0
Recent
  • {{Period start|Recent}} → 0
  • {{Period start/sandbox|Recent}} → 0
Present
  • {{Period start|Present}} → 0
  • {{Period start/sandbox|Present}} → 0
Current
  • {{Period start|Current}} → 0
  • {{Period start/sandbox|Current}} → 0