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CENOZOIC ( 0 Ma - 65.5 Ma )
QUATERNARY ( 0 Ma - 2.6 Ma )
HOLOCENE ( 0 Ma - 0.01 Ma )
PLEISTOCENE ( 0.01 Ma - 2.6 Ma )
CALABRIAN ( 0.01 Ma - 1.8 Ma )
GELASIAN ( 1.8 Ma - 2.6 Ma )
TERTIARY ( 2.6 Ma - 65.5 Ma )
NEOGENE ( 2.6 Ma - 23 Ma )
PLIOCENE ( 2.6 Ma - 5.3 Ma )
PIACENZIAN ( 2.6 Ma - 3.6 Ma )
ZANCLEAN ( 3.6 Ma - 5.3 Ma )
MIOCENE ( 5.3 Ma - 23 Ma )
MESSINIAN ( 5.3 Ma - 7.2 Ma )
TORTONIAN ( 7.3 Ma - 11.6 Ma )
SERRAVALLIAN ( 11.6 Ma - 13.8 Ma )
LANGHIAN ( 13.8 Ma - 16 Ma )
BURDIGALIAN ( 16 Ma - 20.4 Ma )
AQUITANIAN ( 20.4 Ma - 23 Ma )
OLIGOCENE ( 23 Ma - 33.9 Ma )
CHATTIAN ( 23 Ma - 28.4 Ma )
RUPELIAN ( 28.4 Ma - 33.9 Ma )
EOCENE ( 33.9 Ma - 55.8 Ma )
PRIABONIAN ( 33.9 Ma - 37.2 Ma )
BARTONIAN ( 37.2 Ma - 40.4 Ma )
LUTETIAN ( 40.4 Ma - 48.6 Ma )
YPRESIAN ( 48.6 Ma - 55.8 Ma )
PALEOCENE ( 55.8 Ma - 65.5 Ma )
THANETIAN ( 55.8 Ma - 58.7 Ma )
SELANDIAN ( 58.7 Ma - 61.7 Ma )
DANIAN ( 61.7 Ma - 65.5 Ma )
MESOZOIC ( 65.5 Ma - 251 Ma )
CRETACEOUS ( 65.5 Ma - 145.5 Ma )
LATE CRETACEOUS ( 65.5 Ma - 99.6 Ma )
MAASTRICHTIAN ( 65.5 Ma - 70.6 Ma )
CAMPANIAN ( 70.6 Ma - 83.5 Ma )
SANTONIAN ( 83.5 Ma - 85.8 Ma )
CONIACIAN ( 85.8 Ma - 89.3 Ma )
TURONIAN ( 89.3 Ma - 93.5 Ma )
CENOMANIAN ( 93.5 Ma - 99.6 Ma )
EARLY CRETACIOUS ( 99.6 Ma - 145.5 Ma )
ALBIAN ( 99.6 Ma - 112 Ma )
APTIAN ( 112 Ma - 125 Ma )
BARREMIAN ( 125 Ma - 130 Ma )
HAUTERIVIAN ( 130 Ma - 136 Ma )
VALANGINIAN ( 136 Ma - 140 Ma )
BERRIASIAN ( 140 Ma - 145.5 Ma )
JURASSIC ( 145.5 Ma - 201.6 Ma )
LATE JURASSIC ( 145.5 Ma - 161 Ma )
TITHONIAN ( 145.5 Ma - 151 Ma )
KIMMERIDGIAN ( 151 Ma - 156 Ma )
OXFORDIAN ( 156 Ma - 161 Ma )
MIDDLE JURASSIC ( 161 Ma - 176 Ma )
CALLOVIAN ( 161 Ma - 165 Ma )
BATHONIAN ( 165 Ma - 168 Ma )
BAJOCIAN ( 168 Ma - 172 Ma )
AALENIAN ( 172 Ma - 176 Ma )
EARLY JURASSIC ( 176 Ma - 201.6 Ma )
TOARCIAN ( 176 Ma - 183 Ma )
PLIENSBACHIAN ( 183 Ma - 190 Ma )
SINEMURIAN ( 190 Ma - 197 Ma )
HETTANGIAN ( 197 Ma - 201.6 Ma )
TRIASSIC ( 201.6 Ma - 251 Ma )
LATE TRIASSIC ( 201.6 Ma - 235 Ma )
RHAETIAN ( 201.6 Ma - 204 Ma )
NORIAN ( 204 Ma - 228 Ma )
CARNIAN ( 228 Ma - 235 Ma )
MIDDLE TRIASSIC ( 235 Ma - 245 Ma )
LADINIAN ( 235 Ma - 241 Ma )
ANISIAN ( 241 Ma - 245 Ma )
EARLY TRIASSIC ( 245 Ma - 251 Ma )
OLENEKIAN ( 245 Ma - 250 Ma )
INDUAN ( 250 Ma - 251 Ma )
PALEOZOIC ( 251 Ma - 542 Ma )
PERMIAN ( 251 Ma - 299 Ma )
LATE PERMIAN ( 251 Ma - 260 Ma )
CHANGHSINGIAN ( 251 Ma - 254 Ma )
WUCHIAPINGIAN ( 254 Ma - 260 Ma )
MIDLE PERMIAN ( 260 Ma - 271 Ma )
CAPITANIAN ( 260 Ma - 266 Ma )
WORDIAN ( 266 Ma - 268 Ma )
ROADIAN ( 268 Ma - 271 Ma )
EARLY PERMIAN ( 271 Ma - 299 Ma )
KUNGURIAN ( 271 Ma - 276 Ma )
ARTINSKIAN ( 276 Ma - 284 Ma )
SAKMARIAN ( 284 Ma - 297 Ma )
ASSELIAN ( 297 Ma - 299 Ma )
CARBONIFEROUS ( 299 Ma - 359 Ma )
PENNSYLVANIAN ( 299 Ma - 318 Ma )
GZELIAN ( 299 Ma - 304 Ma )
KASIMOVIAN ( 304 Ma - 306 Ma )
MOSCOVIAN ( 306 Ma - 312 Ma )
BASHKIRIAN ( 312 Ma - 318 Ma )
MISSISSIPPIAN ( 318 Ma - 359 Ma )
SERPUKHOVIAN ( 318 Ma - 326 Ma )
VISEAN ( 326 Ma - 345 Ma )
TOURNAISIAN ( 345 Ma - 359 Ma )
DEVONIAN ( 359 Ma - 416 Ma )
LATE DEVONIAN ( 359 Ma - 385 Ma )
FAMENNIAN ( 359 Ma - 374 Ma )
FRASNIAN ( 374 Ma - 385 Ma )
MIDDLE DEVONIAN ( 385 Ma - 398 Ma )
GIVETIAN ( 385 Ma - 392 Ma )
EIFELIAN ( 392 Ma - 398 Ma )
EARLY DEVONIAN ( 398 Ma - 416 Ma )
EMSIAN ( 398 Ma - 407 Ma )
PRAGHIAN ( 407 Ma - 411 Ma )
LOCKHOVIAN ( 411 Ma - 416 Ma )
SILURIAN ( 416 Ma - 444 Ma )
LATE SILURIAN ( 416 Ma - 423 Ma )
PRIDOLIAN ( 416 Ma - 419 Ma )
LUDFORDIAN ( 419 Ma - 421 Ma )
GORSTIAN ( 421 Ma - 423 Ma )
MIDDLE SILURIAN ( 423 Ma - 428 Ma )
HOMERIAN ( 423 Ma - 426 Ma )
SHEINWOODIAN ( 426 Ma - 428 Ma )
EARLY SILURIAN ( 428 Ma - 444 Ma )
TELYCHIAN ( 428 Ma - 436 Ma )
AERONIAN ( 436 Ma - 439 Ma )
RHUDDANIAN ( 439 Ma - 444 Ma )
ORDOVICIAN ( 444 Ma - 488 Ma )
LATE ORDOVICIAN ( 444 Ma - 461 Ma )
HIRNANTIAN ( 444 Ma - 446 Ma )
KATIAN ( 446 Ma - 455 Ma )
SANDBIAN ( 455 Ma - 461 Ma )
MIDDLE ORDOVICIAN ( 461 Ma - 472 Ma )
DARRIWILIAN ( 461 Ma - 468 Ma )
DAPINGIAN ( 468 Ma - 472 Ma )
EARLY ORDOVICIAN ( 472 Ma - 488 Ma )
FLOIAN ( 472 Ma - 479 Ma )
TREMADOCIAN ( 479 Ma - 488 Ma )
CAMBRIAN ( 488 Ma - 542 Ma )
FURONGIAN ( 488 Ma - 501 Ma )
STAGE 10 ( 488 Ma - 492 Ma )
STAGE 9 ( 492 Ma - 496 Ma )
PAIBIAN ( 496 Ma - 501 Ma )
SERIES 3 ( 501 Ma - 510 Ma )
GUZHANGIAN ( 501 Ma - 503 Ma )
DRUMIAN ( 503 Ma - 507 Ma )
STAGE 5 ( 507 Ma - 510 Ma )
SERIES 2 ( 510 Ma - 521 Ma )
STAGE 4 ( 510 Ma - 517 Ma )
STAGE 3 ( 517 Ma - 521 Ma )
TERREVEUVIAN ( 521 Ma - 542 Ma )
STAGE 2 ( 521 Ma - 535 Ma )
FORTUNIAN ( 535 Ma - 542 Ma )
PRECAMBRIAN ( 542 Ma - 3850 Ma )
PROTEROZOIC ( 542 Ma - 2500 Ma )
NEOPROTEROZOIC ( 542 Ma - 1000 Ma )
EDIACARAN ( 542 Ma - 630 Ma )
CRYOGENIAN ( 630 Ma - 850 Ma )
TONIAN ( 850 Ma - 1000 Ma )
MESEOPROTEROZOIC ( 1000 Ma - 1600 Ma )
STENIAN ( 1000 Ma - 1200 Ma )
ECTASIAN ( 1200 Ma - 1400 Ma )
CALYMMIAN ( 1400 Ma - 1600 Ma )
PALEOPROTEROZOIC ( 1600 Ma - 2500 Ma )
STATHERIAN ( 1600 Ma - 1800 Ma )
OROSIRIAN ( 1800 Ma - 2050 Ma )
RHYACIAN ( 2050 Ma - 2300 Ma )
SIDERIAN ( 2300 Ma - 2500 Ma )
ARCHEAN ( 2500 Ma - 3850 Ma )
NEOARCHEAN ( 2500 Ma - 2800 Ma )
MESOARCHEAN ( 2800 Ma - 3200 Ma )
PALEOARCHEAN ( 3200 Ma - 3600 Ma )
EOARCHEAN ( 3600 Ma - 3850 Ma )
HADEAN ( > 3850 Ma )
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Age Exists
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