-- Ordered list of eons, era, periods, etc. The code will search through
-- these lists for a match, then return an appropriate link to the timespans
-- adjacent to those matches
local p = {}
p.eon = {'Hadean', 'Archean', 'Proterozoic', 'Phanerozoic'}
p.era = {'Eoarchean', 'Paleoarchean', 'Mesoarchean', 'Neoarchean',
'Paleoproterozoic', 'Mesoproterozoic', 'Neoproterozoic',
'Paleozoic', 'Mesozoic', 'Cenozoic'}
p.period = {'Siderian', 'Rhyacian', 'Orosirian', 'Statherian',
'Calymmian', 'Ectasian', 'Stenian',
'Tonian', 'Cryogenian', 'Ediacaran',
'Cambrian', 'Ordovician', 'Silurian', 'Devonian', 'Carboniferous', 'Permian',
'Triassic', 'Jurassic', 'Cretaceous', 'Paleogene', 'Neogene', 'Quaternary'}
p.epoch = {'Terreneuvian', 'Cambrian Series 2', 'Miaolingian', 'Furongian',
'Early Ordovician', 'Middle Ordovician', 'Late Ordovician',
{base='Llandovery', dab='epoch'}, {base='Wenlock', dab='epoch'},
{base='Ludlow', dab='epoch'}, {base='Pridoli', dab='epoch'},
'Early Devonian', 'Middle Devonian', 'Late Devonian',
{base='Mississippian', dab='(geology)'}, {base='Pennsylvanian',dab='(geology)'},
'Cisuralian', 'Guadalupian', 'Lopingian',
'Early Triassic', 'Middle Triassic', 'Late Triassic',
'Early Jurassic', 'Middle Jurassic', 'Late Jurassic',
'Early Cretaceous', 'Late Cretaceous',
'Paleocene', 'Eocene', 'Oligocene',
'Miocene', 'Pliocene', 'Pleistocene', 'Holocene'}
p.series = {'Furongian',
'Lower Ordovician', 'Middle Ordovician', 'Upper Ordovician',
'Llandovery', 'Wenlock', 'Ludlow', 'Pridoli',
'Lower Devonian', 'Middle Devonian', 'Upper Devonian',
'Lower Carboniferous', 'Upper Carboniferous',
'Cisuralian', 'Guadalupian', 'Lopingian',
'Lower Triassic', 'Middle Triassic', 'Upper Triassic',
'Lower Jurassic', 'Middle Jurassic', 'Upper Jurassic',
'Lower Cretaceous', 'Upper Cretaceous','Paleocene'}
p.age = {'Fortunian', 'Cambrian Stage 2', 'Cambrian Stage 3', 'Cambrian Stage 4',
'Wuliuan', 'Drumian', 'Guzhangian', 'Paibian', 'Jiangshanian', 'Cambrian Stage 10',
'Tremadocian', 'Floian', 'Dapingian', 'Darriwilian', 'Sandbian', 'Katian', 'Hirnantian',
'Rhuddanian', 'Aeronian', 'Telychian', 'Sheinwoodian', 'Homerian', 'Gorstian', 'Ludfordian',
'Lochkovian', 'Pragian', 'Emsian', 'Eifelian', 'Givetian', 'Frasnian', 'Famennian',
'Tournaisian', 'Viséan', 'Serpukhovian', 'Bashkirian', {base='Moscovian', dab='(Carboniferous)'}, 'Kasimovian', 'Gzhelian',
'Asselian', 'Sakmarian', 'Artinskian', 'Kungurian', 'Roadian', 'Wordian', 'Capitanian', 'Wuchiapingian', 'Changhsingian',
'Induan', 'Olenekian', 'Anisian', 'Ladinian', 'Carnian', 'Norian', 'Rhaetian',
'Hettangian', 'Sinemurian', 'Pliensbachian', 'Toarcian', 'Aalenian', 'Bajocian',
'Bathonian', 'Callovian', {base='Oxfordian', dab='(stage)'}, 'Kimmeridgian', 'Tithonian',
'Berriasian','Valanginian','Hauterivian','Barremian','Aptian','Albian',
'Cenomanian','Turonian','Coniacian','Santonian','Campanian','Maastrichtian',
'Danian','Selandian','Thanetian','Ypresian','Lutetian','Bartonian','Priabonian','Rupelian','Chattian',
{base='Aquitanian', dab='(stage)'},'Burdigalian','Langhian','Serravallian','Tortonian','Messinian','Zanclean','Piacenzian',
'Gelasian',{base='Calabrian', dab='(stage)'},'Late Pleistocene','Greenlandian','Northgrippian','Meghalayan'}
p.listLen = {eon=#p.eon, era=#p.era, period=#p.period, epoch=#p.epoch, series=#p.series, age=#p.age}
return p
