{"sepkoski_interval":"Quaternary","sepkoski_code":"Q","pbdb_early":"Quaternary","pbdb_late":"Quaternary","FAD":2.59,"LAD":0,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Recent","sepkoski_code":"R","pbdb_early":"Holocene","pbdb_late":"Holocene","FAD":0.0117,"LAD":0,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Pleistocene","sepkoski_code":"Plei","pbdb_early":"Pleistocene","pbdb_late":"Pleistocene","FAD":2.59,"LAD":0.0117,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Pleistocene","sepkoski_code":"Plei-u","pbdb_early":"Late Pleistocene","pbdb_late":"Late Pleistocene","FAD":0.129,"LAD":0.0117,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"Lower Pleistocene","sepkoski_code":"Plei-l","pbdb_early":"Early Pleistocene","pbdb_late":"Early Pleistocene","FAD":2.59,"LAD":0.129,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"Tertiary","sepkoski_code":"T","pbdb_early":"Tertiary","pbdb_late":"Tertiary","FAD":66.04,"LAD":2.59,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Neogene","sepkoski_code":"Ng","pbdb_early":"Neogene","pbdb_late":"Neogene","FAD":23.04,"LAD":2.59,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Pliocene","sepkoski_code":"Plio","pbdb_early":"Pliocene","pbdb_late":"Pliocene","FAD":5.33,"LAD":2.59,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Pliocene","sepkoski_code":"Plio-u","pbdb_early":"Late Pliocene","pbdb_late":"Late Pliocene","FAD":3.6,"LAD":2.58,"Notes":"ICS Piacenzian","Edge":"#"}
{"sepkoski_interval":"Lower Pliocene","sepkoski_code":"Plio-l","pbdb_early":"Early Pliocene","pbdb_late":"Early Pliocene","FAD":5.33,"LAD":3.6,"Notes":"ICS Zanclean","Edge":"#"}
{"sepkoski_interval":"Miocene","sepkoski_code":"Mi","pbdb_early":"Miocene","pbdb_late":"Miocene","FAD":3.6,"LAD":2.58,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Miocene","sepkoski_code":"Mi-u","pbdb_early":"Tortonian","pbdb_late":"Messinian","FAD":11.63,"LAD":5.33,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Messinian","sepkoski_code":"Mi-u-u","pbdb_early":"Messinian","pbdb_late":"Messinian","FAD":7.25,"LAD":5.33,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Tortonian","sepkoski_code":"Mi-u-l","pbdb_early":"Tortonian","pbdb_late":"Tortonian","FAD":11.63,"LAD":7.25,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Miocene (Langhian + Serravallian)","sepkoski_code":"Mi-m","pbdb_early":"Langhian","pbdb_late":"Serravallian","FAD":15.99,"LAD":11.63,"Notes":"","Edge":"#"}
{"sepkoski_interval":"upper Middle Miocene","sepkoski_code":"Mi-m-u","pbdb_early":"Serravallian","pbdb_late":"Serravallian","FAD":13.82,"LAD":11.63,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"lower Middle Miocene","sepkoski_code":"Mi-m-l","pbdb_early":"Langhian","pbdb_late":"Langhian","FAD":15.99,"LAD":13.82,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"Lower Miocene","sepkoski_code":"Mi-l","pbdb_early":"Aquitanian","pbdb_late":"Burdigalian","FAD":23.04,"LAD":15.99,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Burdigalian","sepkoski_code":"Mi-l-u","pbdb_early":"Burdigalian","pbdb_late":"Burdigalian","FAD":20.45,"LAD":15.99,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Aquitanian","sepkoski_code":"Mi-l-l","pbdb_early":"Aquitanian","pbdb_late":"Aquitanian","FAD":23.04,"LAD":20.45,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Paleogene","sepkoski_code":"Pg","pbdb_early":"Paleogene","pbdb_late":"Paleogene","FAD":66.04,"LAD":23.04,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Oligocene","sepkoski_code":"Ol","pbdb_early":"Oligocene","pbdb_late":"Oligocene","FAD":33.9,"LAD":23.04,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Oligocene (Chattian)","sepkoski_code":"Ol-u","pbdb_early":"Chattian","pbdb_late":"Chattian","FAD":27.29,"LAD":23.04,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Oligocene (Rupelian)","sepkoski_code":"Ol-l","pbdb_early":"Rupelian","pbdb_late":"Rupelian","FAD":33.9,"LAD":27.29,"Notes":"","Edge":"#"}
{"sepkoski_interval":"upper Lower Oligocene","sepkoski_code":"Ol-l-u","FAD":30.595,"LAD":27.29,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"lower Lower Oligocene","sepkoski_code":"Ol-l-l","FAD":33.9,"LAD":30.595,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Eocene","sepkoski_code":"Eo","pbdb_early":"Eocene","pbdb_late":"Eocene","FAD":56,"LAD":33.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Eocene (Priabonian)","sepkoski_code":"Eo-u","pbdb_early":"Priabonian","pbdb_late":"Priabonian","FAD":37.71,"LAD":33.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Eocene","sepkoski_code":"Eo-m","pbdb_early":"Lutetian","pbdb_late":"Bartonian","FAD":48.07,"LAD":37.71,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Bartonian","sepkoski_code":"Eo-m-u","pbdb_early":"Bartonian","pbdb_late":"Bartonian","FAD":41.03,"LAD":37.71,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lutetian","sepkoski_code":"Eo-m-l","pbdb_early":"Lutetian","pbdb_late":"Lutetian","FAD":48.07,"LAD":41.03,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Eocene (Ypresian)","sepkoski_code":"Eo-l","pbdb_early":"Ypresian","pbdb_late":"Ypresian","FAD":56,"LAD":48.07,"Notes":"","Edge":"#"}
{"sepkoski_interval":"upper Lower Eocene","sepkoski_code":"Eo-l-u","FAD":52.035,"LAD":48.07,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"lower Lower Eocene","sepkoski_code":"Eo-l-l","FAD":56,"LAD":52.035,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"Paleocene","sepkoski_code":"Pale","pbdb_early":"Paleocene","pbdb_late":"Paleocene","FAD":66.04,"LAD":56,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Thanetian","sepkoski_code":"Than","pbdb_early":"Thanetian","pbdb_late":"Thanetian","FAD":59.24,"LAD":56,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Thanetian","sepkoski_code":"Than-u","FAD":57.62,"LAD":56,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Thanetian","sepkoski_code":"Than-l","FAD":59.24,"LAD":57.62,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Danian","sepkoski_code":"Dani","pbdb_early":"Danian","pbdb_late":"Danian","FAD":66.04,"LAD":61.66,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Danian","sepkoski_code":"Dani-u","FAD":61.02,"LAD":56,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Danian","sepkoski_code":"Dani-l","FAD":66.04,"LAD":61.02,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Cretaceous","sepkoski_code":"K","pbdb_early":"Cretaceous","pbdb_late":"Cretaceous","FAD":143.1,"LAD":66.04,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Cretaceous","sepkoski_code":"K(u)","pbdb_early":"Late Cretaceous","pbdb_late":"Late Cretaceous","FAD":100.5,"LAD":66.04,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Senonian","sepkoski_code":"Sn","pbdb_early":"Senonian","pbdb_late":"Senonian","FAD":89.39,"LAD":66,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Maastrichtian","sepkoski_code":"Maas","pbdb_early":"Maastrichian","pbdb_late":"Maastrichian","FAD":72.17,"LAD":66.04,"Notes":"","Edge":"#"}
{"sepkoski_interval":"neubergicus zone","sepkoski_code":"Maas-u","FAD":69.9,"LAD":66.04,"Notes":"The P. neubergicus zone is now known to be very problematic. GTS2020 divisions are used","Edge":"#"}
{"sepkoski_interval":"tridens zone","sepkoski_code":"Maas-l","FAD":72.17,"LAD":69.9,"Notes":"The P. neubergicus zone is now known to be very problematic. GTS2020 divisions are used","Edge":"#"}
{"sepkoski_interval":"Campanian","sepkoski_code":"Camp","pbdb_early":"Campanian","pbdb_late":"Campanian","FAD":83.65,"LAD":72.17,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Campanian","sepkoski_code":"Camp-u","FAD":77.91,"LAD":72.17,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Campanian","sepkoski_code":"Camp-l","FAD":83.65,"LAD":77.91,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Santonian","sepkoski_code":"Sant","pbdb_early":"Santonian","pbdb_late":"Santonian","FAD":85.7,"LAD":83.65,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Santonian","sepkoski_code":"Sant-u","pbdb_early":"Late Santonian","pbdb_late":"Late Santonian","FAD":85.3,"LAD":85.7,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"Lower Santonian","sepkoski_code":"Sant-l","pbdb_early":"Early Santonian","pbdb_late":"Early Santonian","FAD":85.7,"LAD":85.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Coniacian","sepkoski_code":"Coni","pbdb_early":"Coniacian","pbdb_late":"Coniacian","FAD":89.39,"LAD":85.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Coniacian","sepkoski_code":"Coni-u","FAD":87.545,"LAD":85.7,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Coniacian","sepkoski_code":"Coni-l","FAD":89.39,"LAD":87.545,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Gallic","sepkoski_code":"[no abbreviation]","pbdb_early":"Gallic","pbdb_late":"Gallic","FAD":126.5,"LAD":89.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Turonian","sepkoski_code":"Turo","pbdb_early":"Turonian","pbdb_late":"Turonian","FAD":93.9,"LAD":89.39,"Notes":"","Edge":"#"}
{"sepkoski_interval":"bizeti-deveriai zones","sepkoski_code":"Turo-u","FAD":91.645,"LAD":89.39,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Turonian","sepkoski_code":"Turo-l","FAD":93.9,"LAD":91.645,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Cenomanian","sepkoski_code":"Ceno","pbdb_early":"Cenomanian","pbdb_late":"Cenomanian","FAD":100.5,"LAD":93.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Cenomanian","sepkoski_code":"Ceno-u","pbdb_early":"Late Cenomanian","pbdb_late":"Late Cenomanian","FAD":96,"LAD":93.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Cenomanian","sepkoski_code":"Ceno-m","pbdb_early":"Middle Cenomanian","pbdb_late":"Middle Cenomanian","FAD":98,"LAD":96,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Cenomanian","sepkoski_code":"Ceno-l","pbdb_early":"Early Cenomanian","pbdb_late":"Early Cenomanian","FAD":100.5,"LAD":98,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Cretaceous","sepkoski_code":"K(m)","pbdb_early":"Middle Cretaceous","pbdb_late":"Middle Cretaceous","FAD":118,"LAD":96,"Notes":"No formal equivalent, values taken from Sepkoski (BASE_S = K, BASE_STG = m, TOP_STG = m)","Edge":"#"}
{"sepkoski_interval":"Lower Cretaceous","sepkoski_code":"K(l)","pbdb_early":"Early Cretaceous","pbdb_late":"Early Cretaceous","FAD":143.1,"LAD":100.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Albian","sepkoski_code":"Albi","pbdb_early":"Albian","pbdb_late":"Albian","FAD":113.2,"LAD":100.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Albian","sepkoski_code":"Albi-u","pbdb_early":"Late Albian","pbdb_late":"Late Albian","FAD":107.6,"LAD":100.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Albian","sepkoski_code":"Albi-m","pbdb_early":"Middle Albian","pbdb_late":"Middle Albian","FAD":110.3,"LAD":107.6,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Albian","sepkoski_code":"Albi-l","pbdb_early":"Early Albian","pbdb_late":"Early Albian","FAD":113.2,"LAD":110.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Aptian","sepkoski_code":"Apti","pbdb_early":"Aptian","pbdb_late":"Aptian","FAD":121.4,"LAD":113.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Aptian","sepkoski_code":"Apti-u","pbdb_early":"Late Aptian","pbdb_late":"Late Aptian","FAD":118.8,"LAD":113.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Aptian","sepkoski_code":"Apti-l","pbdb_early":"Early Aptian","pbdb_late":"Early Aptian","FAD":121.4,"LAD":118.8,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Barremian","sepkoski_code":"Barr","pbdb_early":"Barremian","pbdb_late":"Barremian","FAD":126.5,"LAD":121.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Barremian","sepkoski_code":"Barr-u","pbdb_early":"Late Barremian","pbdb_late":"Late Barremian","FAD":124.2,"LAD":121.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Barremian","sepkoski_code":"Barr-l","pbdb_early":"Early Barremian","pbdb_late":"Early Barremian","FAD":126.5,"LAD":124.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Neocomian","sepkoski_code":"Nc","pbdb_early":"Neocomian","pbdb_late":"Neocomian","FAD":143.1,"LAD":126.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Hauterivian","sepkoski_code":"Haut","pbdb_early":"Hauterivian","pbdb_late":"Hauterivian","FAD":132.6,"LAD":126.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Hauterivian","sepkoski_code":"Haut-u","pbdb_early":"Late Hauterivian","pbdb_late":"Late Hauterivian","FAD":130,"LAD":126.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Hauterivian","sepkoski_code":"Haut-l","pbdb_early":"Early Hauterivian","pbdb_late":"Early Hauterivian","FAD":132.6,"LAD":130,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Valanginian","sepkoski_code":"Vala","pbdb_early":"Valanginian","pbdb_late":"Valanginian","FAD":137.7,"LAD":132.6,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Valanginian","sepkoski_code":"Vala-u","pbdb_early":"Late Valanginian","pbdb_late":"Late Valanginian","FAD":135.2,"LAD":132.6,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Valanginian","sepkoski_code":"Vala-l","pbdb_early":"Early Valanginian","pbdb_late":"Early Valanginian","FAD":137.7,"LAD":135.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Berriasian","sepkoski_code":"Berr","pbdb_early":"Berriasian","pbdb_late":"Berriasian","FAD":143.1,"LAD":137.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Berriasian (Ryazanian)","sepkoski_code":"Berr-u","pbdb_early":"Ryazanian","pbdb_late":"Ryazanian","FAD":141.78,"LAD":137.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Berriasian","sepkoski_code":"Berr-l","pbdb_early":"Early Berriasian","pbdb_late":"Early Berriasian","FAD":143.1,"LAD":141.78,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Jurassic","sepkoski_code":"J","pbdb_early":"Jurassic","pbdb_late":"Jurassic","FAD":201.36,"LAD":143.1,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Jurassic","sepkoski_code":"J(u)","pbdb_early":"Late Jurassic","pbdb_late":"Late Jurassic","FAD":161.53,"LAD":143.1,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Tithonian","sepkoski_code":"Tith","pbdb_early":"Tithonian","pbdb_late":"Tithonian","FAD":149.24,"LAD":143.1,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Portlandian","sepkoski_code":"Tith-u","pbdb_early":"Portlandian","pbdb_late":"Portlandian","FAD":145.2,"LAD":143.1,"Notes":"Taken from the ICS and ammonoid zone constraints","Edge":"#"}
{"sepkoski_interval":"elegans-fittoni zones","sepkoski_code":"Tith-l","pbdb_early":"elegans","pbdb_late":"fittoni","FAD":149.1,"LAD":145.2,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"Kimmeridgian","sepkoski_code":"Kimm","pbdb_early":"Kimmeridgian","pbdb_late":"Kimmeridgian","FAD":154.78,"LAD":149.24,"Notes":"","Edge":"#"}
{"sepkoski_interval":"mutabilis-antissioderensis zones","sepkoski_code":"Kimm-u","pbdb_early":"mutabilis","pbdb_late":"antissioderensis","FAD":152.1,"LAD":149.2,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"baylei-cymodoce zones","sepkoski_code":"Kimm-l","pbdb_early":"baylei","pbdb_late":"cymodoce","FAD":154.78,"LAD":152.1,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"Oxfordian","sepkoski_code":"Oxfo","pbdb_early":"Oxfordian","pbdb_late":"Oxfordian","FAD":161.53,"LAD":154.78,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Oxfordian","sepkoski_code":"Oxfo-u","pbdb_early":"Late Oxfordian","pbdb_late":"Late Oxfordian","FAD":157.8,"LAD":154.78,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Oxfordian","sepkoski_code":"Oxfo-m","pbdb_early":"Middle Oxfordian","pbdb_late":"Middle Oxfordian","FAD":159.2,"LAD":157.8,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Oxfordian","sepkoski_code":"Oxfo-l","pbdb_early":"Early Oxfordian","pbdb_late":"Early Oxfordian","FAD":161.53,"LAD":159.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Jurassic","sepkoski_code":"J(m)","pbdb_early":"Middle Jurassic","pbdb_late":"Middle Jurassic","FAD":174.7,"LAD":161.53,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Callovian","sepkoski_code":"Call","pbdb_early":"Callovian","pbdb_late":"Callovian","FAD":165.29,"LAD":161.53,"Notes":"","Edge":"#"}
{"sepkoski_interval":"athleta-lamberti zones","sepkoski_code":"Call-u","pbdb_early":"athleta","pbdb_late":"lamberti","FAD":162.9,"LAD":161.53,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"jason-coronatum zones","sepkoski_code":"Call-m","pbdb_early":"jason","pbdb_late":"coronatum","FAD":163.47,"LAD":162.9,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"macrocephalus-calloviense zones","sepkoski_code":"Call-l","pbdb_early":"macrocephalus","pbdb_late":"calloviense","FAD":165.29,"LAD":163.47,"Notes":"Base taken from base of Callovian","Edge":"#"}
{"sepkoski_interval":"Bathonian","sepkoski_code":"Bath","pbdb_early":"Bathonian","pbdb_late":"Bathonian","FAD":168.17,"LAD":165.29,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Bathonian","sepkoski_code":"Bath-u","pbdb_early":"Late Bathonian","pbdb_late":"Late Bathonian","FAD":166.04,"LAD":165.29,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Bathonian","sepkoski_code":"Bath-m","pbdb_early":"Middle Bathonian","pbdb_late":"Middle Bathonian","FAD":166.9,"LAD":166.04,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Bathonian","sepkoski_code":"Bath-l","pbdb_early":"Early Bathonian","pbdb_late":"Early Bathonian","FAD":167,"LAD":166.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Bajocian","sepkoski_code":"Bajo","pbdb_early":"Bajocian","pbdb_late":"Bajocian","FAD":170.9,"LAD":168.17,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Bajocian","sepkoski_code":"Bajo-u","pbdb_early":"Late Bajocian","pbdb_late":"Late Bajocian","FAD":169.7,"LAD":165.29,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Bajocian","sepkoski_code":"Bajo-m","FAD":170.4,"LAD":170,"Notes":"Estimated","Edge":"#"}
{"sepkoski_interval":"Lower Bajocian","sepkoski_code":"Bajo-l","pbdb_early":"Early Bajocian","pbdb_late":"Early Bajocian","FAD":170.9,"LAD":169.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Aalenian","sepkoski_code":"Aale","pbdb_early":"Aalenian","pbdb_late":"Aalenian","FAD":174.7,"LAD":170.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Jurassic","sepkoski_code":"J(l)","pbdb_early":"Early Jurassic","pbdb_late":"Early Jurassic","FAD":201.36,"LAD":174.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Toarcian","sepkoski_code":"Toar","pbdb_early":"Toarcian","pbdb_late":"Toarcian","FAD":184.2,"LAD":174.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"variabilis-levesquei zones","sepkoski_code":"Toar-u","pbdb_early":"variabilis","pbdb_late":"humphriesianum","FAD":179.82,"LAD":169.74,"Notes":"Levesquei zone is problematic, see chrons file","Edge":"#"}
{"sepkoski_interval":"tenuicostatum-bifrons zones","sepkoski_code":"Toar-l","pbdb_early":"tenuicostatum","pbdb_late":"bifrons","FAD":184.2,"LAD":179.82,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"Pliensbachian","sepkoski_code":"Plie","pbdb_early":"Pliensbachian","pbdb_late":"Pliensbachian","FAD":192.9,"LAD":184.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"margaritatus-spinatum zones","sepkoski_code":"Plie-u","pbdb_early":"margaritatus","pbdb_late":"spinatum","FAD":188,"LAD":184.2,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"jamesoni-davoei zones","sepkoski_code":"Plie-l","pbdb_early":"jamesoni","pbdb_late":"davoei","FAD":192.9,"LAD":188,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"Sinemurian","sepkoski_code":"Sine","pbdb_early":"Sinemurian","pbdb_late":"Sinemurian","FAD":199.46,"LAD":192.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Sinemurian","sepkoski_code":"Sine-u","pbdb_early":"Late Sinemurian","pbdb_late":"Late Sinemurian","FAD":196.4,"LAD":192.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Sinemurian","sepkoski_code":"Sine-l","pbdb_early":"Early Sinemurian","pbdb_late":"Early Sinemurian","FAD":199.46,"LAD":196.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Hettangian","sepkoski_code":"Hett","pbdb_early":"Hettangian","pbdb_late":"Hettangian","FAD":201.36,"LAD":199.46,"Notes":"","Edge":"#"}
{"sepkoski_interval":"liasicus-angulata zones","sepkoski_code":"Hett-u","pbdb_early":"liasicus","pbdb_late":"angulata","FAD":200.96,"LAD":199.46,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"planorbis zone","sepkoski_code":"Hett-l","pbdb_early":"planorbis","pbdb_late":"planorbis","FAD":201.26,"LAD":200.96,"Notes":"Boreal zonation","Edge":"#"}
{"sepkoski_interval":"Triassic","sepkoski_code":"Tr","pbdb_early":"Triassic","pbdb_late":"Triassic","FAD":251.902,"LAD":201.36,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Triassic","sepkoski_code":"Tr(u)","pbdb_early":"Late Triassic","pbdb_late":"Late Triassic","FAD":237,"LAD":201.36,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Norian","sepkoski_code":"Nori","pbdb_early":"Norian","pbdb_late":"Rhaetian","FAD":227.3,"LAD":201.36,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Rhaetian","sepkoski_code":"Rhae","pbdb_early":"Rhaetian","pbdb_late":"Rhaetian","FAD":209.51,"LAD":201.36,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Norian (Sevatian + Rhaetian)","sepkoski_code":"Nori-u","pbdb_early":"Sevatian","pbdb_late":"Rhaetian","FAD":214.03,"LAD":201.36,"Notes":"Rhae-u in Sepkoski","Edge":"#"}
{"sepkoski_interval":"Middle Norian (Alaunian)","sepkoski_code":"Nori-m","pbdb_early":"Alaunian","pbdb_late":"Alaunian","FAD":217.49,"LAD":214.03,"Notes":"Rhae-m in Sepkoski","Edge":"#"}
{"sepkoski_interval":"Lower Norian (Lacian)","sepkoski_code":"Nori-l","pbdb_early":"Lacian","pbdb_late":"Lacian","FAD":227.3,"LAD":217.49,"Notes":"Rhae-l in Sepkoski","Edge":"#"}
{"sepkoski_interval":"Carnian","sepkoski_code":"Carn","pbdb_early":"Carnian","pbdb_late":"Carnian","FAD":237,"LAD":227.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Tuvalian","sepkoski_code":"Carn-u","pbdb_early":"Tuvalian","pbdb_late":"Tuvalian","FAD":233.6,"LAD":227.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Julian","sepkoski_code":"Carn-l","pbdb_early":"Julian","pbdb_late":"Julian","FAD":237,"LAD":233.6,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Triassic","sepkoski_code":"Tr(m)","pbdb_early":"Middle Triassic","pbdb_late":"Middle Triassic","FAD":246.7,"LAD":237,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Ladinian","sepkoski_code":"Ladi","pbdb_early":"Ladinian","pbdb_late":"Ladinian","FAD":241.46,"LAD":237,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Ladinian","sepkoski_code":"Ladi-u","pbdb_early":"Longobardian","pbdb_late":"Longobardian","FAD":239.48,"LAD":237,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Ladinian","sepkoski_code":"Ladi-l","pbdb_early":"Fassanian","pbdb_late":"Fassanian","FAD":241.46,"LAD":239.48,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Anisian","sepkoski_code":"Anis","pbdb_early":"Anisian","pbdb_late":"Anisian","FAD":246.7,"LAD":241.46,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Illyrian","sepkoski_code":"Anis-u","pbdb_early":"Illyrian","pbdb_late":"Illyrian","FAD":243.33,"LAD":241.46,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Pelsonian","sepkoski_code":"Anis-m","pbdb_early":"Pelsonian","pbdb_late":"Pelsonian","FAD":244.24,"LAD":243.33,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Aegean","sepkoski_code":"Anis-l","pbdb_early":"Aegean","pbdb_late":"Aegean","FAD":246.7,"LAD":244.99,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Triassic (Scythian)","sepkoski_code":"Tr(l)","pbdb_early":"Early Triassic","pbdb_late":"Early Triassic","FAD":251.902,"LAD":246.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Olenekian","sepkoski_code":"Olen","pbdb_early":"Olenekian","pbdb_late":"Olenekian","FAD":249.88,"LAD":246.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Spathian","sepkoski_code":"Olen-u","pbdb_early":"Spathian","pbdb_late":"Spathian","FAD":248.1,"LAD":246.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Smithian","sepkoski_code":"Olen-l","pbdb_early":"Smithian","pbdb_late":"Smithian","FAD":249.88,"LAD":248.1,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Nammalian","sepkoski_code":"Nm","pbdb_early":"Nammalian","pbdb_late":"Nammalian","FAD":251.902,"LAD":247.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Induan","sepkoski_code":"Indu","pbdb_early":"Induan","pbdb_late":"Induan","FAD":251.902,"LAD":249.88,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Dienerian","sepkoski_code":"Indu-u","pbdb_early":"Dienerian","pbdb_late":"Dienerian","FAD":250.5,"LAD":249.88,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Griesbachian","sepkoski_code":"Indu-l","pbdb_early":"Griesbachian","pbdb_late":"Griesbachian","FAD":251.902,"LAD":250.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Permian","sepkoski_code":"P","pbdb_early":"Permian","pbdb_late":"Permian","FAD":298.89,"LAD":251.902,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Permian","sepkoski_code":"P(u)","pbdb_early":"Lopingian","pbdb_late":"Lopingian","FAD":259.55,"LAD":251.902,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Tatarian","sepkoski_code":"Tatr","pbdb_early":"Tatarian","pbdb_late":"Tatarian","FAD":269.21,"LAD":257.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Dorashamian (Changhsingian)","sepkoski_code":"Dora","pbdb_early":"Changhsingian","pbdb_late":"Changhsingian","FAD":254.24,"LAD":251.901,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Djulfian (Longtanian)","sepkoski_code":"Djhu","pbdb_early":"Wuchiapingian","pbdb_late":"Wuchiapingian","FAD":259.55,"LAD":254.24,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Guadalupian","sepkoski_code":"Guad","pbdb_early":"Guadalupian","pbdb_late":"Guadalupian","FAD":274.37,"LAD":259.55,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Capitanian (Kazanian)","sepkoski_code":"Guad-u","pbdb_early":"Capitanian","pbdb_late":"Capitanian","FAD":264.34,"LAD":259.55,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Wordian (Ufimian)","sepkoski_code":"Guad-l","pbdb_early":"Wordian","pbdb_late":"Wordian","FAD":269.21,"LAD":264.34,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Permian","sepkoski_code":"P(m)","pbdb_early":"Guadalupian","pbdb_late":"Guadalupian","FAD":274.37,"LAD":259.55,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Permian","sepkoski_code":"P(l)","pbdb_early":"Cisuralian","pbdb_late":"Cisuralian","FAD":298.89,"LAD":274.37,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Leonardian","sepkoski_code":"Leon","pbdb_early":"Leonardian","pbdb_late":"Leonardian","FAD":286,"LAD":274.37,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Leonardian","sepkoski_code":"Leon-u","FAD":278.248,"LAD":274.37,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Middle Leonardian","sepkoski_code":"Leon-m","FAD":282.124,"LAD":278.248,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Leonardian","sepkoski_code":"Leon-l","FAD":286,"LAD":282.124,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Sakmarian","sepkoski_code":"Sakm","pbdb_early":"Sakmarian","pbdb_late":"Sakmarian","FAD":293.52,"LAD":290.51,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Sterlitamakian","sepkoski_code":"Sakm-u","pbdb_early":"Sterlitamakian","pbdb_late":"Sterlitamakian","FAD":292,"LAD":290.51,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Tastubian","sepkoski_code":"Sakm-l","pbdb_early":"Tastubian","pbdb_late":"Tastubian","FAD":293.52,"LAD":292,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Asselian","sepkoski_code":"Asse","pbdb_early":"Asselian","pbdb_late":"Asselian","FAD":298.89,"LAD":293.52,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Asselian","sepkoski_code":"Asse-u","FAD":296.205,"LAD":293.52,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Asselian","sepkoski_code":"Asse-l","FAD":298.89,"LAD":296.205,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Wolfcampian","sepkoski_code":"Wc","pbdb_early":"Wolfcampian","pbdb_late":"Wolfcampian","FAD":298.9,"LAD":286,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Carboniferous","sepkoski_code":"C","pbdb_early":"Carboniferous","pbdb_late":"Carboniferous","FAD":359.3,"LAD":298.89,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Pennsylvanian","sepkoski_code":"Pu","pbdb_early":"Pennsylvanian","pbdb_late":"Pennsylvanian","FAD":323.4,"LAD":298.89,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Carboniferous","sepkoski_code":"C(u)","pbdb_early":"Pennsylvanian","pbdb_late":"Pennsylvanian","FAD":323.4,"LAD":298.89,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Stephanian","sepkoski_code":"Step","pbdb_early":"Stephanian","pbdb_late":"Stephanian","FAD":307.8,"LAD":300.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Gzelian","sepkoski_code":"Step-u","pbdb_early":"Gzelian","pbdb_late":"Gzelian","FAD":303.68,"LAD":298.89,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Kasimovian","sepkoski_code":"Step-l","pbdb_early":"Kasimovian","pbdb_late":"Kasimovian","FAD":307.02,"LAD":303.68,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Moscovian","sepkoski_code":"Mosc","pbdb_early":"Moscovian","pbdb_late":"Moscovian","FAD":315.15,"LAD":307.02,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Podolskian + Myachkovskian","sepkoski_code":"Mosc-u","pbdb_early":"Podolskian + Myachkovskian","pbdb_late":"Myachkovian","FAD":311.7,"LAD":307.02,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Vereiskian + Kashirskian","sepkoski_code":"Mosc-l","pbdb_early":"Vereian","pbdb_late":"Vereian","FAD":314.8,"LAD":314,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Bashkirian","sepkoski_code":"Bash","pbdb_early":"Bashkirian","pbdb_late":"Bashkirian","FAD":323.4,"LAD":315.15,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Cheremshankian + Melekesskian","sepkoski_code":"Bash-u","pbdb_early":"Cheremshanian","pbdb_late":"Melekessian","FAD":318.8,"LAD":314.8,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Kinderscoutian + Yeadonian","sepkoski_code":"Bash-l","pbdb_early":"Kinderscoutian","pbdb_late":"Yeadonian","FAD":321.9,"LAD":318.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Serpukhovian","sepkoski_code":"Serp","pbdb_early":"Serpukhovian","pbdb_late":"Serpukhovian","FAD":330.34,"LAD":323.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Uncertain","sepkoski_code":"Pn","pbdb_early":"Prikamian","pbdb_late":"Prikamian","FAD":320,"LAD":318.8,"Notes":"Not in Sepkoski 2002, closest match in PBDB chrons","Edge":"#"}
{"sepkoski_interval":"Chokierian + Alportian","sepkoski_code":"Serp-u","pbdb_early":"Chokieran","pbdb_late":"Alportian","FAD":323.7,"LAD":321.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Pendleian + Arnsbergian","sepkoski_code":"Serp-l","pbdb_early":"Pendleian","pbdb_late":"Arnsbergian","FAD":330.34,"LAD":323.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Mississipian","sepkoski_code":"Ms","pbdb_early":"Mississipian","pbdb_late":"Mississipian","FAD":359.3,"LAD":323.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Carboniferous","sepkoski_code":"C(l)","pbdb_early":"Mississipian","pbdb_late":"Mississipian","FAD":359.3,"LAD":323.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Visean","sepkoski_code":"Vise","pbdb_early":"Visean","pbdb_late":"Visean","FAD":346.73,"LAD":330.34,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Holkerian + Brigantian","sepkoski_code":"Vise-u","pbdb_early":"Holkerian","pbdb_late":"Brigantian","FAD":340.2,"LAD":330.34,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Chadian + Arundian","sepkoski_code":"Vise-l","pbdb_early":"Chadian","pbdb_late":"Arundian","FAD":346.73,"LAD":340.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Tournaisian","sepkoski_code":"Tour","pbdb_early":"Tournaisian","pbdb_late":"Tournaisian","FAD":359.3,"LAD":346.73,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Ivorian","sepkoski_code":"Tour-u","pbdb_early":"Ivorian","pbdb_late":"Ivorian","FAD":352,"LAD":346.73,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Hastarian","sepkoski_code":"Tour-l","pbdb_early":"Hastarian","pbdb_late":"Hastarian","FAD":358.9,"LAD":352,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Devonian","sepkoski_code":"D","pbdb_early":"Devonian","pbdb_late":"Devonian","FAD":419,"LAD":359.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Devonian","sepkoski_code":"D(u)","pbdb_early":"Late Devonian","pbdb_late":"Late Devonian","FAD":378.9,"LAD":359.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Famennian","sepkoski_code":"Fame","pbdb_early":"Famennian","pbdb_late":"Famennian","FAD":371.1,"LAD":359.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Wocklumeria zone","sepkoski_code":"Fame-u","pbdb_early":"Wocklumeria","pbdb_late":"Wocklumeria","FAD":360.4,"LAD":360.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Platyclymenia-Clymenia zones","sepkoski_code":"Fame-m","pbdb_early":"Platyclymenia","pbdb_late":"Clymenia","FAD":365.1,"LAD":362.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Cheiloceras zone","sepkoski_code":"Fame-l","pbdb_early":"Cheiloceras","pbdb_late":"Cheiloceras","FAD":369,"LAD":368.8,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Frasnian","sepkoski_code":"Fras","pbdb_early":"Frasnian","pbdb_late":"Frasnian","FAD":378.9,"LAD":371.1,"Notes":"","Edge":"#"}
{"sepkoski_interval":"P. gigas-P. triangularis zones","sepkoski_code":"Fras-u","FAD":373.4,"LAD":371.1,"Notes":"GTS2020 boundaries used","Edge":"#"}
{"sepkoski_interval":"A. triangularis zone","sepkoski_code":"Fras-m","FAD":376.4,"LAD":373.4,"Notes":"GTS2020 boundaries used","Edge":"#"}
{"sepkoski_interval":"A. asymmetricus zone","sepkoski_code":"Fras-l","FAD":378.9,"LAD":376.4,"Notes":"GTS2020 boundaries used","Edge":"#"}
{"sepkoski_interval":"Middle Devonian","sepkoski_code":"D(m)","pbdb_early":"Middle Devonian","pbdb_late":"Middle Devonian","FAD":394.3,"LAD":378.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Givetian","sepkoski_code":"Give","pbdb_early":"Givetian","pbdb_late":"Givetian","FAD":385.3,"LAD":378.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"varcus-cristatus zone","sepkoski_code":"Give-u","pbdb_early":"varcus","pbdb_late":"cristatus","FAD":383.1,"LAD":379.8,"Notes":"Conodont zone","Edge":"#"}
{"sepkoski_interval":"ensensis zone","sepkoski_code":"Give-l","pbdb_early":"ensensis","pbdb_late":"ensensis","FAD":386.5,"LAD":385.3,"Notes":"Conodont zone not in the Givetian","Edge":"#"}
{"sepkoski_interval":"australis-kockelianus zone","sepkoski_code":"Give-u","pbdb_early":"australis","pbdb_late":"kockelianus","FAD":389.6,"LAD":387.4,"Notes":"Conodont zone not in the Givetian","Edge":"#"}
{"sepkoski_interval":"costatus zone","sepkoski_code":"Give-l","pbdb_early":"costatus","pbdb_late":"costatus","FAD":392.5,"LAD":391.1,"Notes":"Conodont zone not in the Givetian","Edge":"#"}
{"sepkoski_interval":"Eifelian","sepkoski_code":"Eife","pbdb_early":"Eifelian","pbdb_late":"Eifelian","FAD":394.3,"LAD":385.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"australis-kockelianus zone","sepkoski_code":"Eife-u","pbdb_early":"australis","pbdb_late":"kockelianus","FAD":389.6,"LAD":387.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"costatus zone","sepkoski_code":"Eife-l","pbdb_early":"costatus","pbdb_late":"costatus","FAD":392.5,"LAD":391.1,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Devonian","sepkoski_code":"D(l)","pbdb_early":"Early Devonian","pbdb_late":"Early Devonian","FAD":419,"LAD":394.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Emsian","sepkoski_code":"Emsi","pbdb_early":"Emsian","pbdb_late":"Emsian","FAD":410.51,"LAD":394.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"wenkenbachi zone","sepkoski_code":"Emsi-u","FAD":400.1,"LAD":394.3,"Notes":"GTS2020 boundaries used","Edge":"#"}
{"sepkoski_interval":"zorgensis zone","sepkoski_code":"Emsi-l","FAD":412.4,"LAD":400.1,"Notes":"GTS2020 boundaries used","Edge":"#"}
{"sepkoski_interval":"Siegenian","sepkoski_code":"Sieg","pbdb_early":"Siegenian","pbdb_late":"Siegenian","FAD":410.51,"LAD":407.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"dehiscens zone","sepkoski_code":"Sieg-u","FAD":408.905,"LAD":407.3,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"sulcatus zone","sepkoski_code":"Sieg-l","FAD":410.51,"LAD":408.905,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Gedinnian","sepkoski_code":"Gedi","pbdb_early":"Gedinnian","pbdb_late":"Gedinnian","FAD":419,"LAD":410.51,"Notes":"","Edge":"#"}
{"sepkoski_interval":"postwoschmidti-pesavis zone","sepkoski_code":"Gedi-u","FAD":414.755,"LAD":410.51,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"woschmidti zone","sepkoski_code":"Gedi-l","FAD":419,"LAD":414.755,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Silurian","sepkoski_code":"S","pbdb_early":"Silurian","pbdb_late":"Silurian","FAD":443.07,"LAD":419,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Silurian","sepkoski_code":"S(u)","pbdb_early":"Gorstian","pbdb_late":"Pridoli","FAD":426.74,"LAD":419,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Pridolian","sepkoski_code":"Prid","pbdb_early":"Pridoli","pbdb_late":"Pridoli","FAD":422.73,"LAD":419,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Pridolian","sepkoski_code":"Prid-l","FAD":422.73,"LAD":420.7,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"Ludlovian","sepkoski_code":"Ludl","pbdb_early":"Ludlow","pbdb_late":"Ludlow","FAD":426.74,"LAD":422.73,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Ludfordian","sepkoski_code":"Ludl-u","pbdb_early":"Ludfordian","pbdb_late":"Ludfordian","FAD":425.01,"LAD":422.73,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Gorstian","sepkoski_code":"Ludl-l","pbdb_early":"Gorstian","pbdb_late":"Gorstian","FAD":426.74,"LAD":425.01,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Silurian","sepkoski_code":"S(m)","pbdb_early":"Sheinwoodian","pbdb_late":"Wenlock","FAD":432.93,"LAD":426.74,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Wenlockian","sepkoski_code":"Wenl","pbdb_early":"Wenlock","pbdb_late":"Wenlock","FAD":432.93,"LAD":426.74,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Homerian","sepkoski_code":"Wenl-u","pbdb_early":"Homerian","pbdb_late":"Homerian","FAD":430.62,"LAD":426.74,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Sheinwoodian","sepkoski_code":"Wenl-l","pbdb_early":"Sheinwoodian","pbdb_late":"Sheinwoodian","FAD":432.93,"LAD":430.62,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Silurian","sepkoski_code":"S(l)","pbdb_early":"Rhuddanian","pbdb_late":"Llandovery","FAD":443.07,"LAD":432.93,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Llandoverian","sepkoski_code":"Ldov","pbdb_early":"Llandovery","pbdb_late":"Llandovery","FAD":443.07,"LAD":432.93,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Telychian","sepkoski_code":"Ldov-u","pbdb_early":"Telychian","pbdb_late":"Telychian","FAD":438.59,"LAD":432.93,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Aeronian","sepkoski_code":"Ldov-m","pbdb_early":"Aeronian","pbdb_late":"Aeronian","FAD":440.49,"LAD":438.59,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Rhuddanian","sepkoski_code":"Ldov-l","pbdb_early":"Rhuddanian","pbdb_late":"Rhuddanian","FAD":443.07,"LAD":440.49,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Ordovician","sepkoski_code":"O","pbdb_early":"Ordovician","pbdb_late":"Ordovician","FAD":486.85,"LAD":443.07,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Ordovician","sepkoski_code":"O(u)","pbdb_early":"Upper Ordovician","pbdb_late":"Upper Ordovician","FAD":458.18,"LAD":443.07,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Ashgillian","sepkoski_code":"Ashg","pbdb_early":"Ashgillian","pbdb_late":"Ashgillian","FAD":449.8,"LAD":443.07,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Hirnantian","sepkoski_code":"Ashg-u","pbdb_early":"Hirnantian","pbdb_late":"Hirnantian","FAD":445.21,"LAD":443.07,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Cautleyan + Rawtheyan","sepkoski_code":"Ashg-m","pbdb_early":"Cautleyan","pbdb_late":"Rawtheyan","FAD":449.2,"LAD":445.21,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Pushgillian","sepkoski_code":"Ashg-l","pbdb_early":"Pusgillian","pbdb_late":"Pusgillian","FAD":449.9,"LAD":449.2,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Ordovician","sepkoski_code":"O(m)","pbdb_early":"Middle Ordovician","pbdb_late":"Middle Ordovician","FAD":471.26,"LAD":458.18,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Ordovician","sepkoski_code":"O(l)","pbdb_early":"Early Ordovician","pbdb_late":"Early Ordovician","FAD":486.85,"LAD":471.26,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"Caradocian","sepkoski_code":"Cara","pbdb_early":"Caradocian","pbdb_late":"Caradocian","FAD":458.18,"LAD":449.8,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Actonian + Onnian","sepkoski_code":"Cara-u","pbdb_early":"Actonian","pbdb_late":"Onnian","FAD":451.3,"LAD":449.9,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Soudleyan-Marshbrookian","sepkoski_code":"Cara-m","pbdb_early":"Soudleyan","pbdb_late":"Marshbrookian","FAD":455,"LAD":451.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Costonian + Harnagian","sepkoski_code":"Cara-l","pbdb_early":"Costonian","pbdb_late":"Harnagian","FAD":457,"LAD":455,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Llandeilian","sepkoski_code":"Llde","pbdb_early":"Llandeilian","pbdb_late":"Llandeilian","FAD":461.2,"LAD":458.18,"Notes":"","Edge":"#"}
{"sepkoski_interval":"gracilis zone","sepkoski_code":"Llde-u","pbdb_early":"gracilis","pbdb_late":"gracilis","FAD":458.18,"LAD":456.8,"Notes":"Graptolite intervals no longer lie within the Llandeilian","Edge":"#"}
{"sepkoski_interval":"teretinsculus zone","sepkoski_code":"Llde-l","pbdb_early":"teretinsculus","pbdb_late":"teretinsculus","FAD":459.8,"LAD":458.18,"Notes":"Graptolite intervals no longer lie within the Llandeilian","Edge":"#"}
{"sepkoski_interval":"Llanvirnian","sepkoski_code":"Llvi","pbdb_early":"Llanvirnian","pbdb_late":"Llanvirnian","FAD":468.1,"LAD":458.18,"Notes":"","Edge":"#"}
{"sepkoski_interval":"murchisoni zone","sepkoski_code":"Llvi-u","pbdb_early":"murchisoni","pbdb_late":"murchisoni","FAD":461.4,"LAD":459.8,"Notes":"","Edge":"#"}
{"sepkoski_interval":"bifidens zone","sepkoski_code":"Llvi-l","FAD":468.1,"LAD":461.4,"Notes":"Base of Llanvirnian taken","Edge":"#"}
{"sepkoski_interval":"Arengian","sepkoski_code":"Aren","pbdb_early":"Arenig","pbdb_late":"Arenig","FAD":477.08,"LAD":468.1,"Notes":"","Edge":"#"}
{"sepkoski_interval":"hirundo zone","sepkoski_code":"Aren-u","pbdb_early":"hirundo","pbdb_late":"hirundo","FAD":471.3,"LAD":470.4,"Notes":"Graptolite zone","Edge":"#"}
{"sepkoski_interval":"extensus zone","sepkoski_code":"Aren-l","FAD":477.08,"LAD":471.3,"Notes":"base of Arenig taken","Edge":"#"}
{"sepkoski_interval":"Tremadocian","sepkoski_code":"Trem","pbdb_early":"Tremadocian","pbdb_late":"Tremadocian","FAD":485.85,"LAD":477.08,"Notes":"","Edge":"#"}
{"sepkoski_interval":"heres-serratus zones","sepkoski_code":"Trem-u","FAD":481.465,"LAD":477.08,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"flagelliforme-incipiens zone","sepkoski_code":"Trem-l","FAD":485.85,"LAD":481.465,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Cambrian","sepkoski_code":"Cm","pbdb_early":"Cambrian","pbdb_late":"Cambrian","FAD":538.8,"LAD":486.85,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Cambrian","sepkoski_code":"Cm(u)","pbdb_early":"Dresbachian","pbdb_late":"Trempealeauan","FAD":504.5,"LAD":488.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Trempealeauan","sepkoski_code":"Trep","pbdb_early":"Trempealeauan","pbdb_late":"Trempealeauan","FAD":488.6,"LAD":488.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Trempealeauan","sepkoski_code":"Trep-u","FAD":488.45,"LAD":488.3,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Trempealeauan","sepkoski_code":"Trep-l","FAD":488.6,"LAD":488.45,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Franconian","sepkoski_code":"Fran","pbdb_early":"Franconian","pbdb_late":"Franconian","FAD":497,"LAD":488.6,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Franconian","sepkoski_code":"Fran-u","FAD":488.8,"LAD":488.6,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Franconian","sepkoski_code":"Fran-l","FAD":497,"LAD":488.8,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Dresbachian","sepkoski_code":"Dres","pbdb_early":"Dresbachian","pbdb_late":"Dresbachian","FAD":504.5,"LAD":497,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Dresbachian","sepkoski_code":"Dres-u","FAD":500.75,"LAD":497,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Dresbachian","sepkoski_code":"Dres-l","FAD":504.5,"LAD":500.75,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Middle Cambrian","sepkoski_code":"Cm(m)","FAD":510.4,"LAD":504.5,"Notes":"Constrained by ICS","Edge":"#"}
{"sepkoski_interval":"upper Middle Cambrian","sepkoski_code":"uMid","FAD":506.48,"LAD":504.5,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"upper upper Middle Cambrian","sepkoski_code":"uMid-u","FAD":505.16,"LAD":504.5,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"middle upper Middle Cambrian","sepkoski_code":"uMid-m","FAD":505.82,"LAD":505.16,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"lower upper Middle Cambrian","sepkoski_code":"uMid-l","FAD":506.48,"LAD":505.82,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"mid Middle Cambrian","sepkoski_code":"mMid","FAD":508.44,"LAD":506.48,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"upper mid Middle Cambrian","sepkoski_code":"mMid-u","FAD":507.134,"LAD":506.48,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"middle mid Middle Cambrian","sepkoski_code":"mMid-m","FAD":507.787,"LAD":507.134,"Notes":"Not in Sepkoski 2002","Edge":"#"}
{"sepkoski_interval":"lower mid Middle Cambrian","sepkoski_code":"mMid-l","FAD":508.44,"LAD":507.787,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"lower Middle Cambrian","sepkoski_code":"lMid","FAD":510.4,"LAD":508.44,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"upper lower Middle Cambrian","sepkoski_code":"lMid-u","FAD":509.42,"LAD":508.44,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"lower lower Middle Cambrian","sepkoski_code":"lMid-l","FAD":510.4,"LAD":509.42,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Cambrian","sepkoski_code":"Cm(l)","pbdb_early":"Tommotian","pbdb_late":"Toyonian","FAD":525.5,"LAD":510.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Tojonian","sepkoski_code":"Tojo","pbdb_early":"Toyonian","pbdb_late":"Toyonian","FAD":513,"LAD":510.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Tojonian","sepkoski_code":"Tojo-u","FAD":511.7,"LAD":510.4,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Tojonian","sepkoski_code":"Tojo-l","FAD":513,"LAD":511.7,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Botomian","sepkoski_code":"Boto","pbdb_early":"Botomian","pbdb_late":"Botomian","FAD":516,"LAD":513,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Botomian","sepkoski_code":"Boto-u","FAD":514.5,"LAD":513,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Botomian","sepkoski_code":"Boto-l","FAD":516,"LAD":514.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Atdabanian","sepkoski_code":"Atda","pbdb_early":"Atdabanian","pbdb_late":"Atdabanian","FAD":521,"LAD":516,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Atdabanian","sepkoski_code":"Atda-u","FAD":518.5,"LAD":516,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Lower Atdabanian","sepkoski_code":"Atda-l","FAD":521,"LAD":518.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Tommotian","sepkoski_code":"Tomm","pbdb_early":"Tommotian","pbdb_late":"Tommotian","FAD":525.5,"LAD":521,"Notes":"","Edge":"#"}
{"sepkoski_interval":"regularis-lenicus zone","sepkoski_code":"Tomm-u","pbdb_early":"regularis","pbdb_late":"lenicus","FAD":523.8,"LAD":521,"Notes":"","Edge":"#"}
{"sepkoski_interval":"sunnaginicus zone","sepkoski_code":"Tomm-l","pbdb_early":"sunnaginicus","pbdb_late":"sunnaginicus","FAD":525.4,"LAD":523.8,"Notes":"Archaeocyathid zone","Edge":"#"}
{"sepkoski_interval":"Vendian","sepkoski_code":"V","pbdb_early":"Ediacaran","pbdb_late":"Ediacaran","FAD":635,"LAD":538.8,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Vendian","sepkoski_code":"V(u)","FAD":550,"LAD":538.8,"Notes":"Sepkoski dates taken for V(u)","Edge":"#"}
{"sepkoski_interval":"Nemakit-Daldyn (Anabarites-Protohertzina zone)","sepkoski_code":"N-Da","pbdb_early":"Nemakit-Daldynian","pbdb_late":"Nemakit-Daldynian","FAD":538.8,"LAD":525.5,"Notes":"","Edge":"#"}
{"sepkoski_interval":"Upper Nemakit-Daldyn","sepkoski_code":"N-Da-u","FAD":532.15,"LAD":525.5,"Notes":"Interpolated","Edge":"#"}
{"sepkoski_interval":"Lower Nemakit-Daldyn","sepkoski_code":"N-Da-l","FAD":538.8,"LAD":532.15,"Notes":"Interpolated","Edge":"#"}