Template:Period start/testcases

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

Precambrian

• {{Period start|Precambrian}} → 4567.3
• {{Period start/sandbox|Precambrian}} → 4567

Archean

• {{Period start|Archean}} → 4031
• {{Period start/sandbox|Archean}} → 4031

Eoarchean

• {{Period start|Eoarchean}} → 4031
• {{Period start/sandbox|Eoarchean}} → 4031

Isuan

• {{Period start|Isuan}} → 4031
• {{Period start/sandbox|Isuan}} → 4031

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}} → 514.5
• {{Period start/sandbox|Cambrian stage 4}} → 514.5

Stage 4

• {{Period start|Stage 4}} → 514.5
• {{Period start/sandbox|Stage 4}} → 514.5

Middle cambrian

• {{Period start|Middle cambrian}} → 506.5
• {{Period start/sandbox|Middle cambrian}} → 506.5

Early middle cambrian

• {{Period start|Early middle cambrian}} → 506.5
• {{Period start/sandbox|Early middle cambrian}} → 506.5

Mid cambrian

• {{Period start|Mid cambrian}} → 506.5
• {{Period start/sandbox|Mid cambrian}} → 506.5

Miaolingian

• {{Period start|Miaolingian}} → 506.5
• {{Period start/sandbox|Miaolingian}} → 506.5

Wuliuan

• {{Period start|Wuliuan}} → 506.5
• {{Period start/sandbox|Wuliuan}} → 506.5

St davids

• {{Period start|St davids}} → 506.5
• {{Period start/sandbox|St davids}} → 506.5

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}} → 486.85
• {{Period start/sandbox|Ordovician}} → 486.85

Early ordovician

• {{Period start|Early ordovician}} → 486.85
• {{Period start/sandbox|Early ordovician}} → 486.85

Lower ordovician

• {{Period start|Lower ordovician}} → 486.85
• {{Period start/sandbox|Lower ordovician}} → 486.85

Tremadocian

• {{Period start|Tremadocian}} → 486.85
• {{Period start/sandbox|Tremadocian}} → 486.85

Late early ordovician

• {{Period start|Late early ordovician}} → 479
• {{Period start/sandbox|Late early ordovician}} → 479

Arenig

• {{Period start|Arenig}} → 477.1
• {{Period start/sandbox|Arenig}} → 477.1

Floian

• {{Period start|Floian}} → 477.1
• {{Period start/sandbox|Floian}} → 477.1

Dapingian

• {{Period start|Dapingian}} → 471.3
• {{Period start/sandbox|Dapingian}} → 471.3

Middle ordovician

• {{Period start|Middle ordovician}} → 471.3
• {{Period start/sandbox|Middle ordovician}} → 471.3

Mid ordovician

• {{Period start|Mid ordovician}} → 471.3
• {{Period start/sandbox|Mid ordovician}} → 471.3

Ordovician iii

• {{Period start|Ordovician iii}} → 471.3
• {{Period start/sandbox|Ordovician iii}} → 471.3

Early middle ordovician

• {{Period start|Early middle ordovician}} → 471.3
• {{Period start/sandbox|Early middle ordovician}} → 471.3

Darriwilian

• {{Period start|Darriwilian}} → 469.4
• {{Period start/sandbox|Darriwilian}} → 469.4

Late ordovician

• {{Period start|Late ordovician}} → 458.2
• {{Period start/sandbox|Late ordovician}} → 458.2

Upper ordovician

• {{Period start|Upper ordovician}} → 458.2
• {{Period start/sandbox|Upper ordovician}} → 458.2

Ordovician v

• {{Period start|Ordovician v}} → 458.2
• {{Period start/sandbox|Ordovician v}} → 458.2

Sandbian

• {{Period start|Sandbian}} → 458.2
• {{Period start/sandbox|Sandbian}} → 458.2

Early late ordovician

• {{Period start|Early late ordovician}} → 458.2
• {{Period start/sandbox|Early late ordovician}} → 458.2

Ordovician vi

• {{Period start|Ordovician vi}} → 452.8
• {{Period start/sandbox|Ordovician vi}} → 452.8

Katian

• {{Period start|Katian}} → 452.8
• {{Period start/sandbox|Katian}} → 452.8

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}} → 443.1
• {{Period start/sandbox|Silurian}} → 443.1

Early silurian

• {{Period start|Early silurian}} → 443.1
• {{Period start/sandbox|Early silurian}} → 443.1

Lower silurian

• {{Period start|Lower silurian}} → 443.1
• {{Period start/sandbox|Lower silurian}} → 443.1

Llandovery

• {{Period start|Llandovery}} → 443.1
• {{Period start/sandbox|Llandovery}} → 443.1

Rhuddanian

• {{Period start|Rhuddanian}} → 443.1
• {{Period start/sandbox|Rhuddanian}} → 443.1

Aeronian

• {{Period start|Aeronian}} → 440.5
• {{Period start/sandbox|Aeronian}} → 440.5

Telychian

• {{Period start|Telychian}} → 438.6
• {{Period start/sandbox|Telychian}} → 438.6

Wenlock

• {{Period start|Wenlock}} → 432.9
• {{Period start/sandbox|Wenlock}} → 432.9

Sheinwoodian

• {{Period start|Sheinwoodian}} → 432.9
• {{Period start/sandbox|Sheinwoodian}} → 432.9

Homerian

• {{Period start|Homerian}} → 430.6
• {{Period start/sandbox|Homerian}} → 430.6

Late silurian

• {{Period start|Late silurian}} → 426.7
• {{Period start/sandbox|Late silurian}} → 426.7

Upper silurian

• {{Period start|Upper silurian}} → 426.7
• {{Period start/sandbox|Upper silurian}} → 426.7

Ludlow

• {{Period start|Ludlow}} → 426.7
• {{Period start/sandbox|Ludlow}} → 426.7

Gorstian

• {{Period start|Gorstian}} → 426.7
• {{Period start/sandbox|Gorstian}} → 426.7

Ludfordian

• {{Period start|Ludfordian}} → 425
• {{Period start/sandbox|Ludfordian}} → 425

Pridoli

• {{Period start|Pridoli}} → 422.7
• {{Period start/sandbox|Pridoli}} → 422.7

Unnamed pridoli stage

• {{Period start|Unnamed pridoli stage}} → 422.7
• {{Period start/sandbox|Unnamed pridoli stage}} → 422.7

Devonian

• {{Period start|Devonian}} → 419.62
• {{Period start/sandbox|Devonian}} → 419.62

Early devonian

• {{Period start|Early devonian}} → 419.62
• {{Period start/sandbox|Early devonian}} → 419.62

Lower devonian

• {{Period start|Lower devonian}} → 419.62
• {{Period start/sandbox|Lower devonian}} → 419.62

Lochkovian

• {{Period start|Lochkovian}} → 419.62
• {{Period start/sandbox|Lochkovian}} → 419.62

Downtonian

• {{Period start|Downtonian}} → 419.62
• {{Period start/sandbox|Downtonian}} → 419.62

Pragian

• {{Period start|Pragian}} → 413.02
• {{Period start/sandbox|Pragian}} → 413.02

Praghian

• {{Period start|Praghian}} → 413.02
• {{Period start/sandbox|Praghian}} → 413.02

Emsian

• {{Period start|Emsian}} → 410.62
• {{Period start/sandbox|Emsian}} → 410.62

Middle devonian

• {{Period start|Middle devonian}} → 393.47
• {{Period start/sandbox|Middle devonian}} → 393.47

Mid devonian

• {{Period start|Mid devonian}} → 393.47
• {{Period start/sandbox|Mid devonian}} → 393.47

Eifelian

• {{Period start|Eifelian}} → 393.47
• {{Period start/sandbox|Eifelian}} → 393.47

Givetian

• {{Period start|Givetian}} → 387.95
• {{Period start/sandbox|Givetian}} → 387.95

Late devonian

• {{Period start|Late devonian}} → 382.31
• {{Period start/sandbox|Late devonian}} → 382.31

Upper devonian

• {{Period start|Upper devonian}} → 382.31
• {{Period start/sandbox|Upper devonian}} → 382.31

Frasnian

• {{Period start|Frasnian}} → 382.31
• {{Period start/sandbox|Frasnian}} → 382.31

Famennian

• {{Period start|Famennian}} → 372.15
• {{Period start/sandbox|Famennian}} → 372.15

Early carboniferous

• {{Period start|Early carboniferous}} → 358.86
• {{Period start/sandbox|Early carboniferous}} → 358.86

Lower carboniferous

• {{Period start|Lower carboniferous}} → 358.86
• {{Period start/sandbox|Lower carboniferous}} → 358.86

Carboniferous

• {{Period start|Carboniferous}} → 358.86
• {{Period start/sandbox|Carboniferous}} → 358.86

Mississippian

• {{Period start|Mississippian}} → 358.86
• {{Period start/sandbox|Mississippian}} → 358.86

Early mississippian

• {{Period start|Early mississippian}} → 358.86
• {{Period start/sandbox|Early mississippian}} → 358.86

Lower mississippian

• {{Period start|Lower mississippian}} → 358.86
• {{Period start/sandbox|Lower mississippian}} → 358.86

Tournaisian

• {{Period start|Tournaisian}} → 358.86
• {{Period start/sandbox|Tournaisian}} → 358.86

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}} → 330.3
• {{Period start/sandbox|Late mississippian}} → 330.3

Serpukhovian

• {{Period start|Serpukhovian}} → 330.3
• {{Period start/sandbox|Serpukhovian}} → 330.3

Namurian

• {{Period start|Namurian}} → 326
• {{Period start/sandbox|Namurian}} → 326

Upper carboniferous

• {{Period start|Upper carboniferous}} → 323.4
• {{Period start/sandbox|Upper carboniferous}} → 323.4

Late carboniferous

• {{Period start|Late carboniferous}} → 323.4
• {{Period start/sandbox|Late carboniferous}} → 323.4

Pennsylvanian

• {{Period start|Pennsylvanian}} → 323.4
• {{Period start/sandbox|Pennsylvanian}} → 323.4

Early pennsylvanian

• {{Period start|Early pennsylvanian}} → 323.4
• {{Period start/sandbox|Early pennsylvanian}} → 323.4

Lower pennsylvanian

• {{Period start|Lower pennsylvanian}} → 323.4
• {{Period start/sandbox|Lower pennsylvanian}} → 323.4

Bashkirian

• {{Period start|Bashkirian}} → 323.4
• {{Period start/sandbox|Bashkirian}} → 323.4

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}} → 283.3
• {{Period start/sandbox|Kungurian}} → 283.3

Guadalupian

• {{Period start|Guadalupian}} → 274.4
• {{Period start/sandbox|Guadalupian}} → 274.4

Middle permian

• {{Period start|Middle permian}} → 274.4
• {{Period start/sandbox|Middle permian}} → 274.4

Mid permian

• {{Period start|Mid permian}} → 274.4
• {{Period start/sandbox|Mid permian}} → 274.4

Roadian

• {{Period start|Roadian}} → 274.4
• {{Period start/sandbox|Roadian}} → 274.4

Ufimian

• {{Period start|Ufimian}} → 274.4
• {{Period start/sandbox|Ufimian}} → 274.4

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}} → 249.9
• {{Period start/sandbox|Olenekian}} → 249.9

Spathian

• {{Period start|Spathian}} → 249.9
• {{Period start/sandbox|Spathian}} → 249.9

Middle triassic

• {{Period start|Middle triassic}} → 246.7
• {{Period start/sandbox|Middle triassic}} → 246.7

Mid triassic

• {{Period start|Mid triassic}} → 246.7
• {{Period start/sandbox|Mid triassic}} → 246.7

Anisian

• {{Period start|Anisian}} → 246.7
• {{Period start/sandbox|Anisian}} → 246.7

Ladinian

• {{Period start|Ladinian}} → 241.464
• {{Period start/sandbox|Ladinian}} → 241.464

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}} → 227.3
• {{Period start/sandbox|Norian}} → 227.3

Rhaetian

• {{Period start|Rhaetian}} → 205.7
• {{Period start/sandbox|Rhaetian}} → 205.7

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}} → 143.1
• {{Period start/sandbox|Cretaceous}} → 143.1

Early cretaceous

• {{Period start|Early cretaceous}} → 143.1
• {{Period start/sandbox|Early cretaceous}} → 143.1

Lower cretaceous

• {{Period start|Lower cretaceous}} → 143.1
• {{Period start/sandbox|Lower cretaceous}} → 143.1

Berriasian

• {{Period start|Berriasian}} → 143.1
• {{Period start/sandbox|Berriasian}} → 143.1

Neocomian

• {{Period start|Neocomian}} → 143.1
• {{Period start/sandbox|Neocomian}} → 143.1

Valanginian

• {{Period start|Valanginian}} → 137.05
• {{Period start/sandbox|Valanginian}} → 137.05

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}} → 113.2
• {{Period start/sandbox|Albian}} → 113.2

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}} → 85.7
• {{Period start/sandbox|Santonian}} → 85.7

Campanian

• {{Period start|Campanian}} → 83.6
• {{Period start/sandbox|Campanian}} → 83.6

Maastrichtian

• {{Period start|Maastrichtian}} → 72.2
• {{Period start/sandbox|Maastrichtian}} → 72.2

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}} → 61.66
• {{Period start/sandbox|Middle paleocene}} → 61.66

Selandian

• {{Period start|Selandian}} → 61.66
• {{Period start/sandbox|Selandian}} → 61.66

Tiffanian

• {{Period start|Tiffanian}} → 60.2
• {{Period start/sandbox|Tiffanian}} → 60.2

Late paleocene

• {{Period start|Late paleocene}} → 59.24
• {{Period start/sandbox|Late paleocene}} → 59.24

Thanetian

• {{Period start|Thanetian}} → 59.24
• {{Period start/sandbox|Thanetian}} → 59.24

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}} → 48.07
• {{Period start/sandbox|Middle eocene}} → 48.07

Lutetian

• {{Period start|Lutetian}} → 48.07
• {{Period start/sandbox|Lutetian}} → 48.07

Mp 11

• {{Period start|Mp 11}} → 48.07
• {{Period start/sandbox|Mp 11}} → 48.07

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}} → 41.03
• {{Period start/sandbox|Bartonian}} → 41.03

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}} → 27.3
• {{Period start/sandbox|Late oligocene}} → 27.3

Chattian

• {{Period start|Chattian}} → 27.3
• {{Period start/sandbox|Chattian}} → 27.3

Neogene

• {{Period start|Neogene}} → 23.04
• {{Period start/sandbox|Neogene}} → 23.04

Miocene

• {{Period start|Miocene}} → 23.04
• {{Period start/sandbox|Miocene}} → 23.04

Early miocene

• {{Period start|Early miocene}} → 23.04
• {{Period start/sandbox|Early miocene}} → 23.04

Lower miocene

• {{Period start|Lower miocene}} → 23.04
• {{Period start/sandbox|Lower miocene}} → 23.04

Aquitanian

• {{Period start|Aquitanian}} → 23.04
• {{Period start/sandbox|Aquitanian}} → 23.04

Hemingfordian

• {{Period start|Hemingfordian}} → 20.6
• {{Period start/sandbox|Hemingfordian}} → 20.6

Burdigalian

• {{Period start|Burdigalian}} → 20.45
• {{Period start/sandbox|Burdigalian}} → 20.45

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