Template:Next period/testcases

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<!--eons -->

|hadean=archean 
|archean|archaean=proterozoic 
|proterozoic|precambrian=phanerozoic

|hadean=archaean

<!--eras 1 -->

|hadean=eoarchean
|eoarchean=paleoarchean
|paleoarchean=mesoarchean
|mesoarchean=neoarchean
|neoarchean=paleoproterozoic 
|paleoproterozoic=mesoproterozoic 
|mesoproterozoic=neoproterozoic 
|neoproterozoic=paleozoic 
|paleozoic=mesozoic 
|mesozoic=cenozoic 

<!--eras 2 -->

|hadean=eoarchaean
|eoarchaean=palaeoarchaean
|palaeoarchaean=mesoarchaean
|mesoarchaean=neoarchaean
|neoarchaean=palaeoproterozoic 
|palaeoproterozoic=mesoproterozoic 
|mesoproterozoic=neoproterozoic 
|neoproterozoic=palaeozoic 
|palaeozoic=mesozoic 
|mesozoic=cainozoic 

<!--periods -->

|neoarchean|neoarchaean=siderian
|siderian=rhyacian
|rhyacian=orosirian
|orosirian=statherian
|statherian=calymmian
|calymmian=ectasian
|ectasian=stenian
|stenian=tonian
|tonian=cryogenian
|cryogenian=ediacaran
|ediacaran=cambrian 
|cambrian=ordovician 
|ordovician=silurian 
|silurian=devonian 
|devonian=carboniferous
|carboniferous=permian 
|permian=triassic 
|triassic=jurassic 
|jurassic=cretaceous 
|cretaceous=paleogene 
|paleogene|palaeogene=neogene 
|neogene=quaternary

<!--epochs 1 -->

|ediacaran=early cambrian
|early cambrian|lower cambrian=middle cambrian
|middle cambrian|mid cambrian=late cambrian
|late cambrian|upper cambrian=early ordovician
|early ordovician|lower ordovician=middle ordovician
|middle ordovician|mid ordovician = late ordovician
|late ordovician|upper ordovician=llandovery
|llandovery=wenlock
|wenlock=ludlow
|ludlow=pridoli
|pridoli=early devonian
|early devonian|lower devonian=middle devonian
|middle devonian|mid devonian=late devonian
|late devonian|upper devonian=early mississippian
|early mississippian|lower mississippian=middle mississippian
|middle mississippian|mid mississippian=late mississippian
|late mississippian|upper mississippian=early pennsylvanian
|early pennsylvanian|lower pennsylvanian=middle pennsylvanian
|middle pennsylvanian|mid pennsylvanian=late pennsylvanian
|late pennsylvanian|upper pennsylvanian=early permian
|early permian|lower permian|cisuralian=middle permian
|middle permian|mid permian|guadalupian=late permian
|late permian|upper permian|lopingian=early triassic
|early triassic|lower triassic=middle triassic
|middle triassic|mid triassic=late triassic
|late triassic|upper triassic=early jurassic
|early jurassic|lower jurassic=middle jurassic
|middle jurassic|mid jurassic=late jurassic
|late jurassic|upper jurassic=early cretaceous
|early cretaceous|lower cretaceous=late cretaceous
|late cretaceous|upper cretaceous=paleocene
|paleocene=eocene
|eocene=oligocene 
|oligocene=miocene 
|miocene=pliocene 
|pliocene=pleistocene
|pleistocene=holocene

<!--epochs 2 -->

|ediacaran=lower cambrian
|early cambrian|lower cambrian=mid cambrian
|middle cambrian|mid cambrian=upper cambrian
|late cambrian|upper cambrian=lower ordovician
|early ordovician|lower ordovician=mid ordovician
|middle ordovician|mid ordovician =upper ordovician
|late ordovician|upper ordovician=llandovery
|llandovery=wenlock
|wenlock=ludlow
|ludlow=pridoli
|pridoli=lower devonian
|early devonian|lower devonian=mid devonian
|middle devonian|mid devonian=upper devonian
|late devonian|upper devonian=lower mississippian
|early mississippian|lower mississippian=mid mississippian
|middle mississippian|mid mississippian=upper mississippian
|late mississippian|upper mississippian=lower pennsylvanian
|early pennsylvanian|lower pennsylvanian=mid pennsylvanian
|middle pennsylvanian|mid pennsylvanian=upper pennsylvanian
|late pennsylvanian|upper pennsylvanian=lower permian
|early permian|lower permian|cisuralian=mid permian
|middle permian|mid permian|guadalupian=upper permian
|late permian|upper permian|lopingian=lower triassic
|early triassic|lower triassic=mid triassic
|middle triassic|mid triassic=upper triassic
|late triassic|upper triassic=lower jurassic
|early jurassic|lower jurassic=mid jurassic
|middle jurassic|mid jurassic=upper jurassic
|late jurassic|upper jurassic=lower cretaceous
|early cretaceous|lower cretaceous=upper cretaceous
|late cretaceous|upper cretaceous=palaeocene
|palaeocene=eocene
|eocene=oligocene 
|oligocene=miocene 
|miocene=pliocene 
|pliocene=pleistocene
|pleistocene=holocene

<!--stages -->

|tremadocian=floian
|floian|arenig=dapingian
|dapingian=darriwilian
|darriwilian=sandbian
|sandbian=katian
|katian=hirnantian
|hirnantian=rhuddanian
|rhuddanian=aeronian
|aeronian=telychian
|telychian=sheinwoodian
|sheinwoodian=homerian
|homerian=gorstian
|gorstian=ludfordian
|ludfordian=pridoli
|pridoli=lochkovian
|lochkovian=pragian
|pragian=emsian
|emsian=eifelian
|eifelian=givetian
|givetian=frasnian
|frasnian=famennian
|famennian=tournaisian
|tournaisian=visean
|visean=serpukhovian
|serpukhovian=bashkirian
|bashkirian=moscovian
|moscovian=kasimovian
|kasimovian=gzhelian
|gzhelian=asselian
|asselian=sakmarian
|sakmarian=artinskian
|artinskian=kungurian
|kungurian=roadian
|roadian=wordian
|wordian=capitanian
|capitanian=wuchiapingian
|wuchiapingian=changhsingian
|changhsingian=induan
|induan=olenekian
|olenekian=anisian
|anisian=ladinian
|ladinian=carnian
|carnian=norian
|norian=rhaetian
|rhaetian=hettangian
|hettangian=sinemurian
|sinemurian=pliensbachian
|pliensbachian=toarcian
|toarcian=aalenian
|aalenian=bajocian
|bajocian=bathonian
|bathonian=callovian
|callovian=oxfordian
|oxfordian=kimmeridgian
|kimmeridgian=tithonian
|tithonian=berriasian
|berriasian=valanginian
|valanginian=hauterivian
|hauterivian=barremian
|barremian=aptian
|aptian=albian
|albian=cenomanian
|cenomanian=turonian
|turonian=coniacian
|coniacian=santonian
|santonian=campanian
|campanian=maastrichtian
|maastrichtian=danian 
|danian=selandian
|selandian=thanetian
|thanetian=ypresian
|ypresian=lutetian
|lutetian=bartonian
|bartonian=priabonian
|priabonian=rupelian
|rupelian=chattian
|chattian=aquitanian
|aquitanian=burdigalian
|burdigalian=langhian
|langhian=serravallian
|serravallian=tortonian
|tortonian=messinian
|messinian=zanclean
|zanclean=piacenzian
|piacenzian=gelasian
|gelasian=calabrian
|calabrian=ionian
|ionian=tarantian
|tarantian=holocene

<!--cambrian -->

|cambrian stage 1|stage 1=stage 2
|cambrian stage 2|stage 2=stage 3
|cambrian stage 3|stage 3=stage 4
|cambrian stage 4|stage 4=stage 5
|cambrian stage 5|stage 5=drumian
|cambrian stage 9|stage 9=stage 10
|cambrian stage 10|stage 10=tremadocian

|fortunian=stage 2
|drumian=guzhangian
|guzhangian=paibian
|paibian=jiangshanian
|jiangshanian=stage 10

|fortunian=cambrian stage 2
|cambrian stage 1|stage 1=cambrian stage 2
|cambrian stage 2|stage 2=cambrian stage 3
|cambrian stage 3|stage 3=cambrian stage 4
|cambrian stage 4|stage 4=cambrian stage 5
|paibian=cambrian stage 9
|cambrian stage 9|stage 9=cambrian stage 10
|jiangshanian=cambrian stage 10


|terreneuvian=series 2
|terreneuvian=cambrian series 2
|furongian=lower ordovician
|furongian=early ordovician

|cambrian series 1|series 1=series 2
|cambrian series 2|series 2=series 3
|cambrian series 3|series 3=series 4
|cambrian series 4|series 4=early ordovician

|cambrian series 1|series 1=cambrian series 2
|cambrian series 2|series 2=cambrian series 3
|cambrian series 3|series 3=furongian
|cambrian series 4|series 4=lower ordovician

|paibian=stage 9

<!--silurian -->

|late ordovician|upper ordovician=early silurian
|early silurian|lower silurian=late silurian 
|late silurian|upper silurian=early devonian

|late ordovician|upper ordovician=lower silurian
|early silurian|lower silurian=upper silurian 
|late silurian|upper silurian=lower devonian

<!--carboniferous -->

|devonian=mississippian
|mississippian=pennsylvanian
|pennsylvanian=permian
 
|late devonian|upper devonian=mississippian
|mississippian=pennsylvanian
|pennsylvanian=early permian
|pennsylvanian=lower permian

|famennian=early mississippian 
|famennian=lower mississippian
|late pennsylvanian|upper pennsylvanian=asselian

<!--scraps -->

|cretaceous=palaeogene
|late cretaceous|upper cretaceous=palaeocene
|tertiary=quaternary

|calabrian=mid pleistocene
|middle pleistocene|mid pleistocene=upper pleistocene
|late pleistocene|upper pleistocene=holocene

|calabrian=middle pleistocene
|middle pleistocene|mid pleistocene=late pleistocene
|late pleistocene|upper pleistocene=holocene

|holocene|neogene|quaternary|cenozoic|cainozoic|phanerozoic|now|recent|present=now}}

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