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Ferns first appear in the fossil record about 360 million years ago in the late Devonian period. [73] Synapsids such as Dimetrodon were the largest terrestrial vertebrates in the Permian period, 299 to 251 million years ago.
The Paleocene (IPA: / ˈ p æ l i. ə s iː n,-i. oʊ-, ˈ p eɪ l i-/ PAL-ee-ə-seen, -ee-oh-, PAY-lee-), [4] or Palaeocene, is a geological epoch that lasted from about 66 to 56 million years ago (mya). It is the first epoch of the Paleogene Period in the modern Cenozoic Era.
The Carboniferous (/ ˌ k ɑːr b ə ˈ n ɪ f ər ə s / KAR-bə-NIF-ər-əs) [6] is a geologic period and system of the Paleozoic era that spans 60 million years from the end of the Devonian Period 358.86 Ma (million years ago) to the beginning of the Permian Period, 298.9 Ma.
Adding to this conundrum are fossilized footprints of bird-like tracks that are 210 million years old—a good 60 million years before the arrival of the genus Archaeopteryx, one of the oldest ...
It is the period in which Greek and Roman society flourished and wielded great influence throughout Europe, North Africa and the Middle East. Post-classical history – Period of time that immediately followed ancient history. Depending on the continent, the era generally falls between the years AD 200–600 and AD 1200–1500.
When an asteroid wiped out the dinosaurs, new animals and plants competed to survive on a changing planet. Grapes were the unlikely winners 60 million years ago.
160,000 years ago, Homo sapiens idaltu in the Awash River Valley (near present-day Herto village, Ethiopia) practiced excarnation. [59] 130–80 ka Marine Isotope Stage 5 . Modern human presence in Southern Africa and West Africa. [60] Appearance of mitochondrial haplogroup (mt-haplogroup) L2. 80–50 ka MIS 4, beginning of the Upper Paleolithic.
The footprints date back to about 166 million years ago and appear to ... about 60 miles northwest of ... to around 166 million years ago during the Middle Jurassic Period ...