Origins
Precambrian
Tonian (1000 - 720.8 Ma)
Cryogenian (720 - 635 Ma)
Edicardian (635 - 538.8 Ma)
Cambrian (538.8 - 486.85 Ma)
Fortunian (538.8 - 529.0 Ma)
Stage 2 (529 - 521 Ma)
Stage 3 (521 - 514.5 Ma)
Stage 4 (514.5 - 506.5 Ma)
Wuliuan (506.5 - 504.5 Ma)
Drumian (504.5 - 500.5 Ma)
Guzhangian (500.5 - 497 Ma)
Paibian (497 - 494.2 Ma)
Jiangshanian (494.2 - 491 Ma)
Stage 10 (491 - 486.85 Ma)
Ordovician (486.85 - 443.1 Ma)
Tremadocian (486.85 - 477.1 Ma)
Floian (477.1 - 471.3 Ma)
Dapingian (471.3 - 469.4 Ma)
Darriwilian (469.4 - 458.2 Ma)
Sandbian (458.2 - 452.8 Ma)
Katian (452.8 - 445.2 Ma)
Hirnantian (445.2 - 443.1 Ma)
Silurian (443.1 - 419.62 Ma)
Rhuddanian (443.1 - 440.5 Ma)
Aeronian (440.5 - 438.6 Ma)
Telychian (438.6 - 432.9 Ma)
Sheinwoodian (432.9 - 430.6 Ma)
Homerian (430.6 - 426.7 Ma)
Gorstian (426.7 - 425.0 Ma)
Ludfordian (425.0 - 422.7 Ma)
Přídolí (422.7 - 419.62)
Devonian (419.62 - 358.9 Ma)
Lochkovian (419.62 - 413.02 Ma)
Pragian (413.02 - 410.62 Ma)
Emsian (410.62 - 393.47 Ma)
Eifelian (393.47 - 387.95 Ma)
Givetian (387.95 - 382.31 Ma)
Frasnian (382.31 - 372.15 Ma)
Famennian (372.15 - 358.9 Ma)
Carboniferous (358.9 - 298.9 Ma)
Tournaisian (358.9 - 346.7 Ma)
Viséan (346.7 - 330.3 Ma)
Serpukhovian (330.3 - 323.4 Ma)
Bashkirian (323.4 - 315.2 Ma)
Moscovian (315.2 - 307.0 Ma)
Kasimovian (307.0 - 303.7 Ma)
Gzhelian (303.7 - 298.9 Ma)
Permian (298.9 - 251.9 Ma)
Asselian (298.9 - 293.52 Ma)
Sakmarian (293.52 - 290.10 Ma)
Artinskian (290.10 - 283.30 Ma)
Kungurian (283.30 - 274.40 Ma)
Roadian (274.40 - 266.90 Ma)
Wordian (266.90 - 264.28 Ma)
Capitanian (264.28 - 259.86 Ma)
Wuchiapingian (259.86 - 254.14 Ma)
Changhsingian (254.14 - 251.9 Ma)
Triassic (251.9 - 201.3 Ma)
Induan (251.9 - 250.6 Ma)
Olenekian (250.6 - 247.0 Ma)
Anisian (247.0 - 241.464 Ma)
Ladinian (241.464 - 237 Ma)
Carnian (237 - 227.3 Ma)
Norian (227.3 - 205.7 Ma)
Rhaetian (205.7 - 201.3 Ma)
Jurassic (201.3 - 143.1 Ma)
Hettangian (201.3 - 199.5 Ma)
Sinemurian (199.5 - 192.9 Ma)
Pliensbachian (192.9 - 184.2 Ma)
Toarcian (184.2 - 174.7 Ma)
Aalenian (174.7 - 170.9 Ma)
Bajocian (170.9 - 168.2 Ma)
Bathonian (168.2 - 165.3 Ma)
Callovian (165.3 - 161.5 Ma)
Oxfordian (161.5 - 154.8 Ma)
Kimmeridgian (154.8 - 149.2 Ma)
Tithonian (149.2 - 143.1 Ma)
Cretaceous (145 - 66 Ma)
Berriasian (145.0 - 139.8 Ma)
Valanginian (139.8 - 132.6 Ma)
Hauterivian (132.6 - 125.77 Ma)
Barremian (125.77 - 121.4 Ma)
Aptian (121.4 - 113.0 Ma)
Albian (113.0 - 100.5 Ma)
Cenomanian (100.5 - 93.9 Ma)
Turonian (93.9 - 89.8 Ma)
Coniacian (89.8 - 86.3 Ma)
Santonian (86.3 - 83.6 Ma)
Campanian (83.6 - 72.1 Ma)
Maastrichtian (72.1 - 66.0 Ma)
Paleocene (66 - 56.0 Ma)
Danian (66.0 - 61.66 Ma)
Selandian (61.66 - 59.24 Ma)
Thanetian (59.24 - 56.0 Ma)
Eocene (56 - 33.9 Ma)
Ypresian (56 - 47.8 Ma)
Lutetian (47.8 - 41.2 Ma)
Bartonian (41.2 - 38.0 Ma)
Priabonian (38.0 - 33.9 Ma)
Oligocene (33.9 - 23.04 Ma)
Rupelian (33.9 - 27.3 Ma)
Chattian (27.3 - 23.04 Ma)
Miocene (23.04- - 5.333 Ma)
Aquitanian (23.04 - 20.45 Ma)
Burdigalian (20.45 - 15.98 Ma)
Langhian (15.98 - 13.82 Ma)
Serravallian (13.82 - 11.63 Ma)
Tortonian (11.63 - 7.246 Ma)
Messinian (7.246 - 5.33 Ma)
Pliocene (5.33-2.58 Ma)
Zanclean (5.33 - 3.600 Ma)
Piacenzian (3.600 - 2.58 Ma)
Pleistocene (2.58 Ma - 11,700 BP)
Gelasian (2.58 - 1.80 Ma)
Calabrian (1.80 - 0.774 Ma)
Chibanian (0.774 - 0.129 Ma)
Late (0.129 - 0.0117 Ma)
Holocene (11,700 BP - present)