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Cenozoic

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1735: 1261: 4018: 4007: 116: 1555:, the planet was dominated by relatively small fauna, including small mammals, birds, reptiles, and amphibians. From a geological perspective, it did not take long for mammals and birds to greatly diversify in the absence of the dinosaurs that had dominated during the Mesozoic. Some flightless birds grew larger than humans. These species are sometimes referred to as " 1009: 1723:, in contrast, experienced major diversification over the Eocene, especially at high latitudes, as the world's oceans cooled. Diatom diversification was particularly concentrated at the Eocene-Oligocene boundary. A second major pulse of diatom diversification occurred over the course of the Middle and Late Miocene. 1060:
ranged from 56 million years to 33.9 million years ago. In the Early-Eocene, species living in dense forest were unable to evolve into larger forms, as in the Paleocene. Among them were early primates, whales and horses along with many other early forms of mammals. At the top of the food chains
2016:
O'Leary, Maureen A.; Bloch, Jonathan I.; Flynn, John J.; Gaudin, Timothy J.; Giallombardo, Andres; Giannini, Norberto P.; Goldberg, Suzann L.; Kraatz, Brian P.; Luo, Zhe-Xi; Meng, Jin; Ni, Michael J.; Novacek, Fernando A.; Perini, Zachary S.; Randall, Guillermo; Rougier, Eric J.; Sargis, Mary T.;
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spans from 33.9 million to 23.03 million years ago. The Oligocene featured the expansion of grasslands which had led to many new species to evolve, including the first elephants, cats, dogs, marsupials and many other species still prevalent today. Many other species of plants evolved in
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Epoch. Recent analysis of the geomagnetic reversal frequency, oxygen isotope record, and tectonic plate subduction rate, which are indicators of the changes in the heat flux at the core mantle boundary, climate and plate tectonic activity, shows that all these changes indicate similar rhythms on
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between Australia and Antarctica formed. This disrupted ocean currents worldwide and as a result caused a global cooling effect, shrinking the jungles. This allowed mammals to grow to mammoth proportions, such as whales which, by that time, had become almost fully aquatic. Mammals like
1331:. 100,000 years ago marked the end of one of the worst droughts in Africa, and led to the expansion of primitive humans. As the Pleistocene drew to a close, a major extinction wiped out much of the world's megafauna, including some of the hominid species, such as 1473:
In the Cretaceous, the climate was hot and humid with lush forests at the poles, there was no permanent ice and sea levels were around 300 metres higher than today. This continued for the first 10 million years of the Paleocene, culminating in the
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better organise and group the many significant events that occurred during this comparatively short interval of time. Knowledge of this era is more detailed than any other era because of the relatively young, well-preserved rocks associated with it.
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had not yet formed. This epoch featured a general warming trend, with jungles eventually reaching the poles. The oceans were dominated by sharks as the large reptiles that had once predominated were extinct. Archaic mammals filled the world such as
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as a result of the cooling trend that started in the Mid-Eocene. There were at least four separate glaciation periods marked by the advance of ice caps as far south as 40° N in mountainous areas. Meanwhile, Africa experienced a trend of
1354:". It is often cited that over 322 recorded species have become extinct due to human activity since the Industrial Revolution, but the rate may be as high as 500 vertebrate species alone, the majority of which have occurred after 1900. 764:) in the southern hemisphere. The extinction of many groups allowed mammals and birds to greatly diversify so that large mammals and birds dominated life on Earth. The continents also moved into their current positions during this era. 1170:
lasted from 5.333 to 2.58 million years ago. The Pliocene featured dramatic climatic changes, which ultimately led to modern species of flora and fauna. The Mediterranean Sea dried up for several million years (because the
2017:
Silcox, Nancy b.; Simmons, Micelle; Spaulding, Paul M.; Velazco, Marcelo; Weksler, John r.; Wible, Andrea L.; Cirranello, A. L. (8 February 2013). "The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals".
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From pp. 153–154: "As many systems or combinations of organic forms as are clearly traceable in the stratified crust of the globe, so many corresponding terms (as Palæozoic, Mesozoic, Kainozoic, &c.) may be made, ...
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million years' timescale in the Cenozoic Era occurring with the common fundamental periodicity of ~13 Myr during most of the time. The levels of carbonate ions in the ocean fell over the course of the Cenozoic.
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Bulletin 769: The Geologic Time Classification of the United States Geological Survey Compared With Other Classifications, accompanied by the original definitions of era, period and epoch terms
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also played a very important role in this era, shaping the evolution of the birds and mammals that fed on them. One group that diversified significantly in the Cenozoic as well were the
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Anagnostou, Eleni; John, Eleanor H.; Edgar, Kirsty M.; Foster, Gavin L.; Ridgwell, Andy; Inglis, Gordon N.; Pancost, Richard D.; Lunt, Daniel J.; Pearson, Paul N. (25 April 2016).
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The Paleogene spans from the extinction of non-avian dinosaurs, 66 million years ago, to the dawn of the Neogene, 23.03 million years ago. It features three
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were at the top of the food-chain. The Late Eocene saw the rebirth of seasons, which caused the expansion of savanna-like areas, along with the evolution of
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experienced rapid rates of speciation and reduced species longevity, while suffering prolonged declines in diversity during the Eocene and Neogene.
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Williams, C. J.; LePage, B. A.; Johnson, A. H.; Vann, D. R. (2009). "Structure, Biomass, and Productivity of a Late Paleocene Arctic Forest".
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Falkowski, Paul G.; Katz, Miriam E.; Knoll, Andrew H.; Quigg, Antonietta; Raven, John A.; Schofield, Oscar; Taylor, F. J. R. (16 July 2004).
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Johnson, Kirk R.; Ellis, Beth (28 June 2002). "A Tropical Rainforest in Colorado 1.4 Million Years After the Cretaceous-Tertiary Boundary".
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Retallack, Gregory J.; Orr, William N.; Prothero, Donald Ross; Duncan, Robert A.; Kester, Paul R.; Ambers, Clifford P. (1 July 2004).
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Earth entered a period of long term cooling. This was mainly due to the collision of India with Eurasia, which caused the rise of the
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this period too. A cooling period featuring seasonal rains was still in effect. Mammals still continued to grow larger and larger.
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lasted from 66 million to 56 million years ago. Modern placental mammals originated during this time. The devastation of the
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The Neogene spans from 23.03 million to 2.58 million years ago. It features 2 epochs: the Miocene, and the Pliocene.
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and marsupials of Australia. Mammal evolution in the Cenozoic was predominantly shaped by climatic and geological processes.
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Saupe, Erin E.; Farnsworth, Alexander; Lunt, Daniel J.; Sagoo, Navjit; Pham, Karen V.; Field, Daniel J. (10 June 2019).
1779: 1335:. All the continents were affected, but Africa to a lesser extent. It still retains many large animals, such as hippos. 733:, became extinct in an event attributed by most experts to the impact of a large asteroid or other celestial body, the 3396: 3139:
Feijó, Anderson; Ge, Deyan; Wen, Zhixin; Cheng, Jilong; Xia, Lin; Patterson, Bruce D.; Yang, Qisen (6 December 2022).
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Harland, W. Brian; Armstrong, Richard L.; Cox, Allen V.; Craig, Lorraine E.; Smith, David G.; Smith, Alan G. (1990).
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was officially replaced by the Paleogene and Neogene Periods. The common use of epochs during the Cenozoic helps
819: 3141:"Mammalian diversification bursts and biotic turnovers are synchronous with Cenozoic geoclimatic events in Asia" 4046: 533: 2288: 1977:"Formal ratification of the Quaternary System/Period and the Pleistocene Series/Epoch with a base at 2.58 Ma" 1911:
Although John Phillips originally spelled it as "Kainozoic" in 1840, he spelled it "Cainozoic" a year later:
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in the air, causing a long-term reduction in the proportion of this greenhouse gas in the atmosphere. Around
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animals, giving this period its other name, the Age of Mammals. The Cenozoic is just as much the age of
1531: 1370: 1347: 780: 511: 3277: 3221: 3154: 3075: 3064:"Climatic shifts drove major contractions in avian latitudinal distributions throughout the Cenozoic" 2993: 2912: 2872: 2798: 2539: 2483: 2416: 2365: 2317: 2222: 2124: 2028: 1988: 1849: 1441:
and Cenozoic times led to a shift in the river courses of various large African rivers including the
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spans from 2.58 million years ago to present day, and is the shortest geological period in the
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Chen, J.; Kravchinsky, V.A.; Liu, X. (2015). "The 13 million year Cenozoic pulse of the Earth".
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Figures and Descriptions of the Palæozoic Fossils of Cornwall, Devon, and West Somerset; ...
1870: 1683: 1606:. Evolving in the Cenozoic, the variety of snakes increased tremendously, resulting in many 1571: 1560: 1523: 1424: 1351: 1269: 1181: 841: 605: 3861: 3757: 3695: 3590: 3559: 3528: 2707: 1813: 1700:, various bizarre groups of mammals from South America, such as the vaguely elephant-like 1692: 1591: 1438: 1382: 1310: 1254: 1096: 1021: 990: 977: 973: 937: 714: 2400:"Cooler winters as a possible cause of mass extinctions at the Eocene/Oligocene boundary" 2196:"Changing atmospheric CO2 concentration was the primary driver of early Cenozoic climate" 3281: 3225: 3158: 3079: 2916: 2876: 2802: 2543: 2487: 2420: 2377: 2369: 2321: 2128: 2032: 1992: 1916: 1225:
desert. The world map has not changed much since, save for changes brought about by the
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The climate during the early Cenozoic was warmer than today, particularly during the
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spread further, dominating a large portion of the world, at the expense of forests.
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began 11,700 years ago and lasts to the present day. All recorded history and "the
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permanent ice began to build up on Antarctica. The cooling trend continued in the
3021:"Retrodiction of secular variations in deep-sea CaCO3 burial during the Cenozoic" 2884: 3948: 3817: 3793: 3638: 3433: 3233: 1697: 1559:", and were formidable predators. Mammals came to occupy almost every available 1556: 1527: 1446: 1442: 1332: 1322: 1298: 1289: 1230: 1226: 1156: 961: 299: 49: 3146:
Proceedings of the National Academy of Sciences of the United States of America
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Proceedings of the National Academy of Sciences of the United States of America
717:(flowering plants). It is the latest of three geological eras, preceded by the 3943: 3903: 3846: 3746: 3643: 3517: 3417: 3365: 2495: 2173: 1938: 1730: 1701: 1687: 1667: 1640: 1636: 1622: 1390: 1386: 1378: 1281: 1250: 1238: 1234: 1136: 1037: 933: 753: 362: 94: 59: 3297: 3241: 3176: 3048: 2561: 2552: 548: 535: 3958: 3908: 3882: 3841: 3788: 3633: 3609: 3490: 3480: 3469: 3289: 3167: 3088: 2136: 2040: 1794: 1709: 1644: 1607: 1493: 1366: 1292:
lasted from 2.58 million to 11,700 years ago. This epoch was marked by
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from the Mediterranean, and evaporation rates exceeded inflow from rivers).
1144: 1124: 1050: 1046: 1029: 1002: 994: 949: 941: 925: 776: 757: 730: 722: 369: 99: 17: 3305: 3194: 3107: 2828: 2810: 2579: 2446: 2231: 2144: 2058: 3360: 2304:"Eocene–Oligocene extinction and paleoclimatic change near Eugene, Oregon" 1115:
spans from 23.03 to 5.333 million years ago and is a period in which
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million years of Earth's history. It is characterized by the dominance of
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from a few small, simple, generalised forms into a diverse collection of
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enriched layer associated with a major meteorite impact and subsequent
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London, England, U.K.: Longman, Brown, Green, & Longmans. p. 
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Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge
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The Cenozoic is full of mammals both strange and familiar, including
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because the terrestrial animals that dominated both hemispheres were
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In the earlier part of the Cenozoic, the world was dominated by the
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forests evolved, encouraging the evolution of new species, such as
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Ivany, Linda C.; Patterson, William P.; Lohmann, Kyger C. (2000).
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creating the Himalayas; Arabia collided with Eurasia, closing the
1259: 1040:, and the Americas were separated by the strait of Panama, as the 1007: 129: 1159:. This increased aridity. Many new plants evolved: 95% of modern 3992: 3988: 3984: 1450: 1218: 1132: 1120: 818:'life'). The name was proposed in 1840 by the British geologist 706: 43: 3369: 1205:, wreaking havoc on local ecologies. Climatic changes brought: 2082:
Proceedings of the Academy of Natural Sciences of Philadelphia
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The evolution of the spelling of "Cenozoic" is reviewed in:
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that are still continuing to spread across the world; Indian
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widened and, later in the era (2.8 million years ago),
2526:"A finding of Oligocene primates on the European continent" 1522:, the Arctic region cooled due to the strengthening of the 889: 868: 859: 850: 650: 629: 620: 3210:"Calcareous nannoplankton evolution: a tale of two oceans" 968:. The Quaternary Period was officially recognised by the 874: 635: 3019:
Boudreau, Bernard P.; Luo, Yiming (15 September 2017).
2901:(2005). "The drainage of Africa since the Cretaceous". 1530:
currents, eventually leading to the glaciations of the
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Lamniform sharks: 110 million years of ocean supremacy
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Gibbard, P. L.; Head, M. J.; Walker, M. J. C. (2010).
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Zhang, R.; Kravchinsky, V.A.; Yue, L. (21 May 2012).
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thrived, and evolved into many different varieties.
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London, UK: Bodley Head. pp. 9–10, 40. 3381: 2357:Annual Review of Earth and Planetary Sciences 1088:, the European face of which is known as the 729:, when many species, including the non-avian 8: 1704:and the dog-like marsupial relatives called 2841:: CS1 maint: numeric names: authors list ( 1049:(extinct carnivores, unrelated to existing 901: 871: 853: 678: 632: 401:An approximate timescale of the Cenozoic. 3826: 3618: 3513: 3413: 3388: 3374: 3366: 1084:. The end of the Eocene was marked by the 3184: 3166: 3097: 3087: 3038: 2818: 2569: 2551: 2524:Köhler, M; Moyà-Solà, S (December 1999). 2436: 2223:1983/799fc7ff-ff17-41b7-8dcc-cae1b66c5734 2221: 2048: 2000: 1389:moved into its current position over the 1350:. This is sometimes referred to as the " 1313:deserts. Many animals evolved including 1139:finally closed with the creation of the 970:International Commission on Stratigraphy 3332:After the Dinosaurs: The Age of Mammals 2856:Allen, M. B.; Armstrong, H. A. (2008). 2475:International Journal of Earth Sciences 2352:"The Late Eocene-Oligocene Extinctions" 1771: 822:(1800–1874), who originally spelled it 2834: 2309:Geological Society of America Bulletin 2166:Royal Tyrrell Museum (28 March 2012), 1301:which resulted in the creation of the 1175:reduced sea levels, disconnecting the 756:(marsupials, now mainly restricted to 31: 1551:Early in the Cenozoic, following the 1193:formed, and animals migrated between 727:Cretaceous–Paleogene extinction event 120:Rock deposits from the Cenozoic Era ( 7: 1369:moved into their current positions. 3987:= kiloannum (thousands years ago); 3361:Cenozoic (chronostratigraphy scale) 3026:Earth and Planetary Science Letters 2986:Earth and Planetary Science Letters 2378:10.1146/annurev.ea.22.050194.001045 1365:, the Cenozoic is the era when the 3991:= megaannum (millions years ago); 2350:Prothero, Donald Ross (May 1994). 1189:, beginning the human branch. The 740:The Cenozoic is also known as the 403:Axis scale: millions of years ago. 25: 3995:= gigaannum (billions years ago). 1264:Megafauna of Pleistocene Europe ( 1086:Eocene–Oligocene extinction event 1028:included the extinction of large 4016: 4005: 3208:Bown, Paul R. (1 October 2005). 1733: 1476:Paleocene–Eocene Thermal Maximum 840: 769:Paleocene–Eocene Thermal Maximum 725:. The Cenozoic started with the 693:) is Earth's current geological 604: 114: 27:Third era of the Phanerozoic Eon 2785:Ceballos et al. (2015) (2015). 1229:of the Quaternary, such as the 1143:, leaving only remnants as the 826:. The era is also known as the 2925:10.1016/j.geomorph.2004.11.008 2749:"Sixth Extinction extinctions" 1814:Merriam-Webster.com Dictionary 1: 3434:Pleistocene (11.7 ka–2.58 Ma) 2943:Origins:How the Earth Made Us 1981:Journal of Quaternary Science 1869:Wilmarth, Mary Grace (1925). 1749:Cretaceous–Paleogene boundary 1135:evolved into 30 species. The 1071:Antarctic Circumpolar Current 794:derives from the Greek words 3330:Prothero, Donald R. (2006). 3251:– via GeoScienceWorld. 2885:10.1016/j.palaeo.2008.04.021 1437:The break-up of Gondwana in 1221:; and the beginnings of the 808: 796: 3397:Geological history of Earth 3234:10.2113/gsmicropal.51.4.299 1834:Online Etymology Dictionary 972:in June 2009. In 2004, the 4068: 3670:Mississippian (323–359 Ma) 3665:Pennsylvanian (299–323 Ma) 3429:Holocene (present–11.7 ka) 3040:10.1016/j.epsl.2017.06.005 3006:10.1016/j.epsl.2015.09.033 2729:University of California. 2698:University of California. 2681:Oak Ridge National Library 2656:University of California. 2637:University of California. 2600:University of California. 2260:University of California. 1895:A Geologic Time Scale 1989 1590:, the age of co-dependent 1325:, sabre-toothed cats, and 1203:great American interchange 813: 801: 697:, representing the last 66 3982: 3954:Paleoarchean (3.2–3.6 Ga) 3804:Terreneuvian (521–539 Ma) 2496:10.1007/s00531-012-0776-1 1961:Oxford English Dictionary 1944:Dictionary.com Unabridged 1891:"The Chronostratic Scale" 1412:India collided with Asia 1061:were huge birds, such as 573:Upper boundary definition 504:Lower boundary definition 399: 142: 113: 39: 3949:Mesoarchean (2.8–3.2 Ga) 3794:Miaolingian (497–509 Ma) 3639:Guadalupian (260–272 Ma) 3491:Paleocene (56.0–66.0 Ma) 3481:Oligocene (23.0–33.9 Ma) 2766:IUCN (3 November 2009). 2735:University of California 2704:University of California 2662:University of California 2643:University of California 2606:University of California 2553:10.1073/pnas.96.25.14664 2266:University of California 1717:calcareous nannoplankton 1598:, and the age of birds. 783:dried and cooled Earth. 3944:Neoarchean (2.5–2.8 Ga) 3909:Orosirian (1.8–2.05 Ga) 3904:Statherian (1.6–1.8 Ga) 3847:Cryogenian (635–720 Ma) 3737:Llandovery (433–444 Ma) 3644:Cisuralian (272–299 Ma) 3455:Pliocene (2.59–5.33 Ma) 3290:10.1126/science.1095964 3168:10.1073/pnas.2207845119 3089:10.1073/pnas.1903866116 2998:2015E&PSL.431..256C 2624:Encyclopædia Britannica 2137:10.1126/science.1072102 2041:10.1126/science.1229237 1915:Phillips, John (1841). 1848:Phillips, John (1840). 1791:Oxford University Press 1631:, large sharks such as 1520: million years ago 1505: million years ago 1490: million years ago 1483: million years ago 1432: million years ago 900:In name, the Cenozoic ( 748: – the 3914:Rhyacian (2.05–2.3 Ga) 3883:Calymmian (1.4–1.6 Ga) 3842:Ediacaran (539–635 Ma) 3789:Furongian (485–497 Ma) 3634:Lopingian (252–260 Ma) 3460:Miocene (5.33–23.0 Ma) 2811:10.1126/sciadv.1400253 1696:, the rhinoceros-like 1285: 1017: 270:−10 — 260:−15 — 250:−20 — 240:−25 — 230:−30 — 220:−35 — 210:−40 — 200:−45 — 190:−50 — 180:−55 — 170:−60 — 160:−65 — 150:−70 — 3919:Siderian (2.3–2.5 Ga) 3878:Ectasian (1.2–1.4 Ga) 3799:Series 2 (509–521 Ma) 3486:Eocene (33.9–56.0 Ma) 1964:(2nd ed.). 1989. 1787:UK English Dictionary 1760:Late Cenozoic Ice Age 1741:Earth sciences portal 1570:During the Cenozoic, 1348:Industrial Revolution 1263: 1036:was separated by the 1026:K–Pg extinction event 1011: 781:Quaternary glaciation 512:K-Pg extinction event 280:−5 — 3959:Eoarchean (3.6–4 Ga) 3852:Tonian (720 Ma–1 Ga) 3732:Wenlock (427–433 Ma) 3722:Pridoli (419–423 Ma) 2687:on 25 February 2015. 2094:10.1635/053.158.0106 1797:on 23 November 2021. 1572:mammals proliferated 1373:, having split from 1371:Australia-New Guinea 1127:. During this time, 4014: • 4003: • 4001:Geologic time scale 3763:Middle (458–470 Ma) 3727:Ludlow (423–427 Ma) 3696:Middle (383–393 Ma) 3591:Middle (237–247 Ma) 3560:Middle (164–174 Ma) 3282:2004Sci...305..354F 3226:2005MiPal..51..299B 3159:2022PNAS..11907845F 3153:(49): e2207845119. 3080:2019PNAS..11612895S 3074:(26): 12895–12900. 2917:2005Geomo..67..437G 2877:2008PPP...265...52A 2803:2015SciA....1E0253C 2753:Scientific American 2544:1999PNAS...9614664K 2488:2012IJEaS.101.2193Z 2421:2000Natur.407..887I 2370:1994AREPS..22..145P 2322:2004GSAB..116..817R 2285:National Geographic 2214:10.1038/nature17423 2129:2002Sci...296.2379J 2123:(5577): 2379–2383. 2033:2013Sci...339..662O 1993:2010JQS....25...96G 1755:Geologic time scale 1621:birds, terrestrial 1401:became attached to 1319:giant ground sloths 779:transition and the 760:and to some extent 589:Upper GSSP ratified 581:Upper boundary GSSP 565:Lower GSSP ratified 545: /  519:Lower boundary GSSP 496:Time span formality 4012:Geology portal 3873:Stenian (1–1.2 Ga) 3768:Early (470–485 Ma) 3701:Early (393–419 Ma) 3596:Early (247–252 Ma) 3565:Early (174–201 Ma) 3534:Early (100–145 Ma) 3529:Late (66.0–100 Ma) 3122:"The Cenozoic Era" 2768:"Sixth Extinction" 2677:"Pliocene climate" 1850:"Palæozoic series" 1817:. Merriam-Webster. 1672:sabre-toothed cats 1532:Quaternary ice age 1415:55 to 45 1286: 1018: 735:Chicxulub impactor 549:36.1537°N 8.6486°E 486:Stratigraphic unit 476:Chronological unit 463:Time scale(s) used 4029: 4028: 3927: 3926: 3893:Paleoproterozoic 3812: 3811: 3758:Late (444–458 Ma) 3691:Late (359–383 Ma) 3604: 3603: 3586:Late (201–237 Ma) 3555:Late (145–164 Ma) 3499: 3498: 3420:(present–2.58 Ma) 3408:(present–66.0 Ma) 3341:978-0-253-34733-6 3276:(5682): 354–360. 3214:Micropaleontology 3126:ucmp.berkeley.edu 2952:978-1-8479-2435-3 2710:on 24 August 2014 2675:Adams, Jonathan. 2415:(6806): 887–890. 2208:(7603): 380–384. 2027:(6120): 662–667. 1684:three-toed horses 1563:(both marine and 1513:Isthmus of Panama 1423:and creating the 1417:million years ago 1407:isthmus of Panama 1377:during the early 1191:isthmus of Panama 1141:Arabian Peninsula 596: 595: 436:Usage information 409: 408: 122:Torre Sant'Andrea 16:(Redirected from 4059: 4052:1840s neologisms 4023:World portal 4021: 4020: 4010: 4009: 3972: 3936: 3896: 3865: 3862:Mesoproterozoic 3834: 3827: 3822: 3781: 3750: 3714: 3683: 3657: 3626: 3619: 3614: 3578: 3547: 3521: 3514: 3509: 3473: 3447: 3421: 3414: 3409: 3390: 3383: 3376: 3367: 3345: 3317: 3316: 3314: 3312: 3259: 3253: 3252: 3250: 3248: 3205: 3199: 3198: 3188: 3170: 3136: 3130: 3129: 3118: 3112: 3111: 3101: 3091: 3059: 3053: 3052: 3042: 3016: 3010: 3009: 2981: 2975: 2974: 2971:Oceanus Magazine 2963: 2957: 2956: 2935: 2929: 2928: 2911:(3–4): 437–456. 2895: 2889: 2888: 2862: 2853: 2847: 2846: 2840: 2832: 2822: 2791:Science Advances 2782: 2776: 2775: 2763: 2757: 2756: 2745: 2739: 2738: 2726: 2720: 2719: 2717: 2715: 2706:. Archived from 2695: 2689: 2688: 2683:. Archived from 2672: 2666: 2665: 2653: 2647: 2646: 2634: 2628: 2627: 2626:. 9 August 2024. 2616: 2610: 2609: 2597: 2591: 2590: 2588: 2586: 2573: 2555: 2521: 2515: 2514: 2512: 2510: 2482:(8): 2193–2200. 2465: 2459: 2458: 2440: 2429:10.1038/35038044 2404: 2395: 2389: 2388: 2386: 2384: 2347: 2341: 2340: 2338: 2336: 2330:10.1130/B25281.1 2316:(7–8): 817–839. 2299: 2293: 2292: 2287:. Archived from 2276: 2270: 2269: 2262:"Eocene Climate" 2257: 2251: 2250: 2248: 2246: 2225: 2191: 2185: 2184: 2183: 2181: 2176:on 7 August 2013 2172:, archived from 2163: 2157: 2156: 2112: 2106: 2105: 2077: 2071: 2070: 2052: 2013: 2007: 2006: 2004: 2002:10.1002/jqs.1338 1972: 1966: 1965: 1955: 1949: 1948: 1935: 1929: 1926: 1908: 1883: 1877: 1876: 1866: 1860: 1857: 1845: 1839: 1838: 1825: 1819: 1818: 1805: 1799: 1798: 1793:. Archived from 1776: 1743: 1738: 1737: 1736: 1592:flowering plants 1538:of which is the 1521: 1506: 1491: 1484: 1433: 1425:Zagros Mountains 1418: 1352:Sixth Extinction 1182:Australopithecus 978:palaeontologists 915: 912: 909: 906: 903: 896: 895: 892: 891: 888: 885: 880: 879: 876: 873: 870: 867: 864: 861: 858: 855: 852: 849: 846: 817: 811: 805: 799: 700: 692: 689: 686: 683: 680: 673: 669: 665: 660: 659: 656: 655: 652: 649: 646: 641: 640: 637: 634: 631: 628: 625: 622: 619: 616: 613: 610: 560: 559: 557: 556: 555: 550: 546: 543: 542: 541: 538: 522:El Kef Section, 357: 323: 291: 286: 281: 276: 271: 266: 261: 256: 251: 246: 241: 236: 231: 226: 221: 216: 211: 206: 201: 196: 191: 186: 181: 176: 171: 166: 161: 156: 151: 145: 118: 109: 46: 32: 21: 4067: 4066: 4062: 4061: 4060: 4058: 4057: 4056: 4047:Geological eras 4032: 4031: 4030: 4025: 4015: 4004: 3996: 3978: 3970: 3963: 3934: 3923: 3894: 3887: 3863: 3856: 3832: 3831:Neoproterozoic 3821:(539 Ma–2.5 Ga) 3820: 3819: 3818:Proterozoic Eon 3808: 3779: 3772: 3748: 3741: 3712: 3705: 3681: 3674: 3655: 3648: 3624: 3612: 3611: 3600: 3576: 3569: 3545: 3538: 3519: 3507: 3506: 3495: 3471: 3464: 3445: 3438: 3419: 3407: 3406: 3399: 3394: 3352: 3342: 3329: 3326: 3324:Further reading 3321: 3320: 3310: 3308: 3261: 3260: 3256: 3246: 3244: 3207: 3206: 3202: 3138: 3137: 3133: 3120: 3119: 3115: 3061: 3060: 3056: 3018: 3017: 3013: 2983: 2982: 2978: 2965: 2964: 2960: 2953: 2939:Dartnell, Lewis 2937: 2936: 2932: 2897: 2896: 2892: 2860: 2855: 2854: 2850: 2833: 2797:(5): e1400253. 2784: 2783: 2779: 2765: 2764: 2760: 2747: 2746: 2742: 2728: 2727: 2723: 2713: 2711: 2697: 2696: 2692: 2674: 2673: 2669: 2655: 2654: 2650: 2636: 2635: 2631: 2618: 2617: 2613: 2599: 2598: 2594: 2584: 2582: 2538:(25): 14664–7. 2523: 2522: 2518: 2508: 2506: 2467: 2466: 2462: 2402: 2397: 2396: 2392: 2382: 2380: 2349: 2348: 2344: 2334: 2332: 2301: 2300: 2296: 2278: 2277: 2273: 2259: 2258: 2254: 2244: 2242: 2193: 2192: 2188: 2179: 2177: 2165: 2164: 2160: 2114: 2113: 2109: 2079: 2078: 2074: 2015: 2014: 2010: 1974: 1973: 1969: 1957: 1956: 1952: 1937: 1936: 1932: 1914: 1905: 1888: 1884: 1880: 1868: 1867: 1863: 1847: 1846: 1842: 1827: 1826: 1822: 1807: 1806: 1802: 1778: 1777: 1773: 1768: 1739: 1734: 1732: 1729: 1693:Paraceratherium 1549: 1516: 1501: 1499: 1486: 1479: 1471: 1439:Late Cretaceous 1428: 1413: 1360: 1255:Phanerozoic Eon 1247: 1106: 1097:Oligocene Epoch 1022:Paleocene Epoch 987: 974:Tertiary Period 922: 913: 910: 907: 904: 882: 843: 839: 789: 771:. However, the 698: 690: 687: 684: 681: 671: 667: 663: 643: 607: 603: 554:36.1537; 8.6486 553: 551: 547: 544: 539: 536: 534: 532: 531: 530: 410: 405: 404: 402: 395: 394: 390: 389: 385: 384: 380: 379: 373: 372: 366: 365: 359: 358: 353: 351: 349: 347: 345: 343: 341: 337: 334: 333: 325: 324: 319: 317: 315: 313: 311: 309: 307: 305: 303: 301: 297: 292: 289: 287: 284: 282: 279: 277: 274: 272: 269: 267: 264: 262: 259: 257: 254: 252: 249: 247: 244: 242: 239: 237: 234: 232: 229: 227: 224: 222: 219: 217: 214: 212: 209: 207: 204: 202: 199: 197: 194: 192: 189: 187: 184: 182: 179: 177: 174: 172: 169: 167: 164: 162: 159: 157: 154: 152: 149: 133: 108: 107: 102: 97: 92: 87: 82: 77: 72: 67: 62: 57: 52: 41: 40: 28: 23: 22: 15: 12: 11: 5: 4065: 4063: 4055: 4054: 4049: 4044: 4034: 4033: 4027: 4026: 3983: 3980: 3979: 3976: 3974: 3965: 3964: 3962: 3961: 3956: 3951: 3946: 3940: 3938: 3929: 3928: 3925: 3924: 3922: 3921: 3916: 3911: 3906: 3900: 3898: 3889: 3888: 3886: 3885: 3880: 3875: 3869: 3867: 3858: 3857: 3855: 3854: 3849: 3844: 3838: 3836: 3824: 3814: 3813: 3810: 3809: 3807: 3806: 3801: 3796: 3791: 3785: 3783: 3774: 3773: 3771: 3770: 3765: 3760: 3754: 3752: 3743: 3742: 3740: 3739: 3734: 3729: 3724: 3718: 3716: 3707: 3706: 3704: 3703: 3698: 3693: 3687: 3685: 3676: 3675: 3673: 3672: 3667: 3661: 3659: 3654:Carboniferous 3650: 3649: 3647: 3646: 3641: 3636: 3630: 3628: 3616: 3606: 3605: 3602: 3601: 3599: 3598: 3593: 3588: 3582: 3580: 3571: 3570: 3568: 3567: 3562: 3557: 3551: 3549: 3540: 3539: 3537: 3536: 3531: 3525: 3523: 3511: 3501: 3500: 3497: 3496: 3494: 3493: 3488: 3483: 3477: 3475: 3472:(23.0–66.0 Ma) 3466: 3465: 3463: 3462: 3457: 3451: 3449: 3446:(2.58–23.0 Ma) 3440: 3439: 3437: 3436: 3431: 3425: 3423: 3411: 3401: 3400: 3395: 3393: 3392: 3385: 3378: 3370: 3364: 3363: 3358: 3351: 3350:External links 3348: 3347: 3346: 3340: 3325: 3322: 3319: 3318: 3254: 3220:(4): 299–308. 3200: 3131: 3113: 3054: 3011: 2976: 2958: 2951: 2930: 2890: 2871:(1–2): 52–58. 2848: 2777: 2758: 2740: 2721: 2690: 2667: 2648: 2629: 2611: 2592: 2516: 2460: 2390: 2342: 2294: 2291:on 8 May 2010. 2271: 2252: 2186: 2158: 2107: 2088:(1): 107–127. 2072: 2008: 1967: 1950: 1947:(Online). n.d. 1930: 1928: 1927: 1910: 1909: 1903: 1878: 1861: 1840: 1820: 1800: 1770: 1769: 1767: 1764: 1763: 1762: 1757: 1752: 1751:(K–T boundary) 1745: 1744: 1728: 1725: 1628:Pristichampsus 1548: 1545: 1534:, the current 1497: 1470: 1467: 1395:Atlantic Ocean 1383:Southeast Asia 1359: 1356: 1246: 1243: 1168:Pliocene Epoch 1129:perissodactyla 1105: 1102: 1090:Grande Coupure 986: 983: 921: 918: 788: 785: 742:Age of Mammals 594: 593: 590: 586: 585: 582: 578: 577: 574: 570: 569: 566: 562: 561: 520: 516: 515: 505: 501: 500: 497: 493: 492: 487: 483: 482: 477: 473: 472: 468: 467: 466:ICS Time Scale 464: 460: 459: 452: 451:Regional usage 448: 447: 442: 441:Celestial body 438: 437: 433: 432: 431:Age of Mammals 429: 425: 424: 421: 420:Name formality 417: 416: 412: 411: 407: 406: 400: 397: 396: 392: 391: 387: 386: 382: 381: 375: 374: 368: 367: 361: 360: 336: 335: 327: 326: 296: 295: 293: 290:0 — 288: 283: 278: 273: 268: 263: 258: 253: 248: 243: 238: 233: 228: 223: 218: 213: 208: 203: 198: 193: 188: 183: 178: 173: 168: 163: 158: 153: 148: 143: 140: 139: 135: 134: 119: 111: 110: 103: 98: 93: 88: 83: 78: 73: 68: 63: 58: 53: 48: 47: 37: 36: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 4064: 4053: 4050: 4048: 4045: 4043: 4040: 4039: 4037: 4024: 4019: 4013: 4008: 4002: 3999: 3994: 3990: 3986: 3981: 3975: 3973: 3966: 3960: 3957: 3955: 3952: 3950: 3947: 3945: 3942: 3941: 3939: 3937: 3930: 3920: 3917: 3915: 3912: 3910: 3907: 3905: 3902: 3901: 3899: 3897: 3890: 3884: 3881: 3879: 3876: 3874: 3871: 3870: 3868: 3866: 3859: 3853: 3850: 3848: 3845: 3843: 3840: 3839: 3837: 3835: 3833:(539 Ma–1 Ga) 3828: 3825: 3823: 3815: 3805: 3802: 3800: 3797: 3795: 3792: 3790: 3787: 3786: 3784: 3782: 3775: 3769: 3766: 3764: 3761: 3759: 3756: 3755: 3753: 3751: 3744: 3738: 3735: 3733: 3730: 3728: 3725: 3723: 3720: 3719: 3717: 3715: 3708: 3702: 3699: 3697: 3694: 3692: 3689: 3688: 3686: 3684: 3677: 3671: 3668: 3666: 3663: 3662: 3660: 3658: 3651: 3645: 3642: 3640: 3637: 3635: 3632: 3631: 3629: 3627: 3620: 3617: 3615: 3610:Paleozoic Era 3607: 3597: 3594: 3592: 3589: 3587: 3584: 3583: 3581: 3579: 3572: 3566: 3563: 3561: 3558: 3556: 3553: 3552: 3550: 3548: 3541: 3535: 3532: 3530: 3527: 3526: 3524: 3522: 3520:(66.0–145 Ma) 3515: 3512: 3510: 3508:(66.0–252 Ma) 3502: 3492: 3489: 3487: 3484: 3482: 3479: 3478: 3476: 3474: 3467: 3461: 3458: 3456: 3453: 3452: 3450: 3448: 3441: 3435: 3432: 3430: 3427: 3426: 3424: 3422: 3415: 3412: 3410: 3402: 3398: 3391: 3386: 3384: 3379: 3377: 3372: 3371: 3368: 3362: 3359: 3357: 3354: 3353: 3349: 3343: 3337: 3333: 3328: 3327: 3323: 3307: 3303: 3299: 3295: 3291: 3287: 3283: 3279: 3275: 3271: 3270: 3265: 3258: 3255: 3243: 3239: 3235: 3231: 3227: 3223: 3219: 3215: 3211: 3204: 3201: 3196: 3192: 3187: 3182: 3178: 3174: 3169: 3164: 3160: 3156: 3152: 3148: 3147: 3142: 3135: 3132: 3127: 3123: 3117: 3114: 3109: 3105: 3100: 3095: 3090: 3085: 3081: 3077: 3073: 3069: 3065: 3058: 3055: 3050: 3046: 3041: 3036: 3032: 3028: 3027: 3022: 3015: 3012: 3007: 3003: 2999: 2995: 2991: 2987: 2980: 2977: 2972: 2968: 2962: 2959: 2954: 2948: 2944: 2940: 2934: 2931: 2926: 2922: 2918: 2914: 2910: 2906: 2905: 2904:Geomorphology 2900: 2894: 2891: 2886: 2882: 2878: 2874: 2870: 2866: 2859: 2852: 2849: 2844: 2838: 2830: 2826: 2821: 2816: 2812: 2808: 2804: 2800: 2796: 2792: 2788: 2781: 2778: 2773: 2769: 2762: 2759: 2754: 2750: 2744: 2741: 2736: 2732: 2725: 2722: 2709: 2705: 2701: 2700:"Pleistocene" 2694: 2691: 2686: 2682: 2678: 2671: 2668: 2663: 2659: 2652: 2649: 2644: 2640: 2633: 2630: 2625: 2621: 2615: 2612: 2607: 2603: 2596: 2593: 2581: 2577: 2572: 2567: 2563: 2559: 2554: 2549: 2545: 2541: 2537: 2533: 2532: 2527: 2520: 2517: 2505: 2501: 2497: 2493: 2489: 2485: 2481: 2477: 2476: 2471: 2464: 2461: 2456: 2452: 2448: 2444: 2439: 2438:2027.42/62707 2434: 2430: 2426: 2422: 2418: 2414: 2410: 2409: 2401: 2394: 2391: 2379: 2375: 2371: 2367: 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Around 1427:, around 1405:with the 1358:Tectonics 1051:Carnivora 1047:creodonts 1003:Oligocene 995:Paleocene 985:Paleogene 950:Oligocene 942:Paleocene 926:Paleogene 920:Divisions 836:Cainozoic 832:Caenozoic 824:Kainozoic 777:Oligocene 758:Australia 731:dinosaurs 723:Paleozoic 540:8°38′55″E 415:Etymology 370:Paleogene 4042:Cenozoic 3623:Permian 3444:Neogene 3306:15256663 3195:36442115 3108:31182570 3033:: 1–12. 2941:(2018). 2829:26601195 2714:25 April 2580:10588762 2509:4 August 2504:55409146 2447:11057663 2383:16 April 2335:16 April 2281:"Eocene" 2232:27111509 2153:11207255 2145:12089439 2059:23393258 1727:See also 1708:and the 1686:, giant 1680:mammoths 1664:primates 1588:savannas 1540:Holocene 1524:Humboldt 1340:Holocene 1315:mammoths 1311:Kalahari 1294:ice ages 1278:reindeer 1266:mammoths 1211:monsoons 1207:savannas 1177:Atlantic 1173:ice ages 1063:Paracrax 966:Holocene 958:Pliocene 911:new life 828:Cænozoic 792:Cenozoic 719:Mesozoic 711:conifers 688:new life 600:Cenozoic 454:Global ( 330:Mesozoic 35:Cenozoic 3311:8 March 3278:Bibcode 3269:Science 3222:Bibcode 3186:9894185 3155:Bibcode 3099:6601418 3076:Bibcode 2994:Bibcode 2913:Bibcode 2873:Bibcode 2820:4640606 2799:Bibcode 2585:28 July 2540:Bibcode 2484:Bibcode 2455:4408282 2417:Bibcode 2366:Bibcode 2318:Bibcode 2180:12 July 2125:Bibcode 2117:Science 2029:Bibcode 2020:Science 1989:Bibcode 1721:Diatoms 1612:rodents 1600:Grasses 1596:insects 1515:around 1509:Miocene 1469:Climate 1463:Zambezi 1459:Limpopo 1215:deserts 1117:grasses 1104:Neogene 1082:grasses 1042:isthmus 954:Miocene 930:Neogene 905:  746:mammals 703:mammals 682:  528:Tunisia 508:Iridium 490:Erathem 377:Neogene 285:– 275:– 265:– 255:– 245:– 235:– 225:– 215:– 205:– 195:– 185:– 175:– 165:– 155:– 126:Salento 3977:  3338:  3304:  3296:  3240:  3193:  3183:  3175:  3106:  3096:  3047:  2949:  2827:  2817:  2578:  2568:  2560:  2502:  2453:  2445:  2408:Nature 2238:  2230:  2201:Nature 2151:  2143:  2100:  2065:  2057:  1901:  1785:Lexico 1660:whales 1643:, and 1633:Otodus 1604:snakes 1584:flying 1582:, and 1580:marine 1478:about 1455:Orange 1393:; the 1375:Pangea 1309:, and 1303:Sahara 1282:horses 1223:Sahara 1187:Africa 999:Eocene 993:: the 991:epochs 964:, and 946:Eocene 940:: the 938:epochs 932:, and 803:καινός 797:kainós 773:Eocene 713:, and 699:  524:El Kef 499:Formal 423:Formal 393:  388:  383:  2861:(PDF) 2571:24493 2500:S2CID 2451:S2CID 2403:(PDF) 2236:S2CID 2149:S2CID 2098:S2CID 2063:S2CID 1690:like 1625:like 1561:niche 1447:Niger 1443:Congo 1307:Namib 1195:North 1145:Black 834:, or 707:birds 670:-ik, 445:Earth 130:Italy 3336:ISBN 3313:2024 3302:PMID 3294:ISSN 3249:2024 3238:ISSN 3191:PMID 3173:ISSN 3104:PMID 3045:ISSN 2947:ISBN 2843:link 2825:PMID 2772:IUCN 2716:2015 2587:2023 2576:PMID 2558:ISSN 2511:2023 2443:PMID 2385:2023 2337:2023 2247:2023 2228:PMID 2182:2017 2141:PMID 2055:PMID 1899:ISBN 1678:and 1594:and 1547:Life 1526:and 1481:55.5 1461:and 1451:Nile 1338:The 1288:The 1249:The 1219:Asia 1197:and 1166:The 1155:and 1133:Apes 1121:Kelp 1111:The 1095:The 1056:The 1020:The 1001:and 902:lit. 721:and 679:lit. 666:-nə- 598:The 568:1991 50:PreꞒ 3286:doi 3274:305 3230:doi 3181:PMC 3163:doi 3151:119 3094:PMC 3084:doi 3072:116 3035:doi 3031:474 3002:doi 2990:431 2921:doi 2881:doi 2869:265 2815:PMC 2807:doi 2566:PMC 2548:doi 2492:doi 2480:101 2433:hdl 2425:doi 2413:407 2374:doi 2326:doi 2314:116 2218:hdl 2210:doi 2206:533 2133:doi 2121:296 2090:doi 2086:158 2045:hdl 2037:doi 2025:339 1997:doi 1923:160 1518:2.8 1149:Red 1067:ppm 1053:). 1005:. 897:). 815:ζωή 809:zōḗ 775:to 695:era 674:-ə- 672:SEN 668:ZOH 664:SEE 592:N/A 584:N/A 576:N/A 480:Era 456:ICS 4038:: 3993:Ga 3989:Ma 3985:ka 3300:. 3292:. 3284:. 3272:. 3266:. 3236:. 3228:. 3218:51 3216:. 3212:. 3189:. 3179:. 3171:. 3161:. 3149:. 3143:. 3124:. 3102:. 3092:. 3082:. 3070:. 3066:. 3043:. 3029:. 3023:. 3000:. 2988:. 2969:. 2919:. 2909:67 2907:. 2879:. 2867:. 2863:. 2839:}} 2835:{{ 2823:. 2813:. 2805:. 2793:. 2789:. 2770:. 2751:. 2733:. 2702:. 2679:. 2660:. 2641:. 2622:. 2604:. 2574:. 2564:. 2556:. 2546:. 2536:96 2534:. 2528:. 2498:. 2490:. 2478:. 2472:. 2449:. 2441:. 2431:. 2423:. 2411:. 2405:. 2372:. 2362:22 2360:. 2354:. 2324:. 2312:. 2306:. 2283:. 2264:. 2234:. 2226:. 2216:. 2204:. 2198:. 2147:. 2139:. 2131:. 2119:. 2096:. 2084:. 2061:. 2053:. 2043:. 2035:. 2023:. 1995:. 1985:25 1983:. 1979:. 1941:. 1893:. 1852:. 1831:. 1811:. 1789:. 1782:. 1682:, 1674:, 1670:, 1666:, 1662:, 1658:, 1654:, 1639:, 1614:. 1578:, 1503:35 1488:50 1465:. 1457:, 1453:, 1449:, 1445:, 1434:. 1430:35 1409:. 1385:; 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Index

Cenozoic era
Ma
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Torre Sant'Andrea
Salento
Italy
P
h
a
n
e
r
o
z
o
i
c

Mesozoic
C
e
n
o
z
o
i
c

Quaternary
Paleogene
Neogene
Earth
ICS
Era
Erathem
Iridium
K-Pg extinction event

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