Eon | Era | Period | Extent, Million Years Ago | Duration, Millions of Years | |
---|---|---|---|---|---|
Phanerozoic | Cenozoic | Quaternary (Pleistocene/Holocene) | 2. | 588–058 – 0 | < 2.58 |
Neogene (Miocene/Pliocene) | 23. | 03–203 – 2. | 58858 | 20.4 | |
Paleogene (Paleocene/Eocene/Oligocene) | 66. | 0–230 – 23.03 | 42.9 | ||
Mesozoic | Cretaceous | 145. | 5–665 – 66.0 | 79.5 | |
Jurassic | 201. | 3–1453 – 145.0 | 56.3 | ||
Triassic | 252. | 17–2012 – 201.3 | 50.9 | ||
Paleozoic | Permian | 298. | 9–2529 – 252. | 172 | 46.7 |
Carboniferous (Mississippian/Pennsylvanian) | 358. | 9–2989 – 298.9 | 60 | ||
Devonian | 419. | 2–3582 – 358.9 | 60.3 | ||
Silurian | 443. | 4–4194 – 419.2 | 24.2 | ||
Ordovician | 485. | 4–4434 – 443.4 | 42 | ||
Cambrian | 541. | 0–4850 – 485.4 | 55.6 | ||
Proterozoic | Neoproterozoic | Ediacaran | 635. | 0–5410 – 541.0 | 94 |
Cryogenian850–635 | 850 – 635 | 215 | |||
Tonian1000–850 | 1000 – 850 | 150 | |||
Mesoproterozoic | Stenian1200–1000 | 1200 – 1000 | 200 | ||
Ectasian1400–1200 | 1400 – 1200 | 200 | |||
Calymmian1600–1400 | 1600 – 1400 | 200 | |||
Paleoproterozoic | Statherian1800–1600 | 1800 – 1600 | 200 | ||
Orosirian2050–1800 | 2050 – 1800 | 250 | |||
Rhyacian2300–2050 | 2300 – 2050 | 250 | |||
Siderian2500–2300 | 2500 – 2300 | 200 |