Chesterian age - Alportian subage

International Chronostratigraphic TimescaleCarboniferous of North AmericaCarboniferous of Western Europe
297.7
CarboniferousPennsylvanianGzhelianVirgilianKuzel298.9
StephanianStephanian C300.3 *
Stephanian B300.9 *
Stephanian A301.4 *
KasimovianMissourian303.7
Cantabrian305 *
Desmoinesian306
Moscovian307
WestphalianWestphalian D307.4 *
Westphalian C309.8
Atokan312.8
Westphalian B314.6
Bashkirian315.2
Westphalian A316.9
Morrowan318.6
NamurianYeadonian318.7
Marsdenian320
Kinderscoutian321.3
Alportian321.8
Chokierian322.8
MississippianSerpukhovianChesterian323.4
Arnsbergian323.6 *
Pendleian326.9 *
ViseanWarnantianBrigantian †330.3
Meramecian335.4 *
LivianAsbian †335.9 *
MoliniacianHolkerian †/Arundian/Chadian339.9 *
Osagean342.9 *
TournaisianIvorian346.7
Kinderhookian351.9 *
Hastarian353.7 *
358.86