Search results for "Million years ago" - New World Encyclopedia
From New World Encyclopedia
- Laramide orogeny between 70 and 40 million years ago which was also part ... The modern Gunnison River set its course 15 million years ago as the ...14 KB (2,151 words) - 18:04, 31 October 2023
- Pliosaurs were carnivorous, aquatic, Mesozoic-era (251-65 million years ago) reptiles comprising the suborder Pliosauroidea of the Plesiosauria ...11 KB (1,490 words) - 08:04, 24 November 2022
- during the late Jurassic period, 155 to 145 million years ago. Allosaurus is the most common large predator whose fossils are found in the Morrison ...11 KB (1,532 words) - 08:09, 23 July 2023
- Paleogene period. It extends from about 34 million to 23 million years before ... | (28.4 ± 0.1 – 23.03 mya (million years ago)) |- | Rupelian ...6 KB (898 words) - 00:21, 18 November 2022
- Cretaceous period (140 million to 65 million years ago), although some portions ... Periods of glaciation occurred from the Pleistocene Epoch (1.8 million ...17 KB (2,479 words) - 02:29, 16 December 2022
- originated in the Cambrian period 500 million years ago (mya) and flourished ... in the Cambrian period, about 500 million years ago, and became a significant ...16 KB (2,282 words) - 04:24, 11 March 2023
- has been ranked between six and ten million years ago (Johnson et al. 2006 ... species appeared first around 1.6 million years ago in what is now Olivola ...14 KB (1,964 words) - 11:21, 11 March 2023
- scale as spanning roughly from 416 to 359 million years ago (mya), and being noteworthy as a period of great diversification of life with the first ...10 KB (1,511 words) - 05:54, 25 August 2020
- relative dating from more than two million years ago, contributing to our ... 75 pounds at the time of its death 2.5 million years ago. ...9 KB (1,299 words) - 01:37, 8 December 2022
- About 40 million years ago the Simiiformes infraorder split into parvorders ... 2004). At the time of the split 40 million years ago, the Atlantic Ocean ...10 KB (1,457 words) - 19:29, 14 November 2022
- quot; span of time between 2 and 1 million years ago. [[image:CRANDCANYON ... Colorado Plateaus, starting about 65 million years ago (during the Laramide ...19 KB (2,919 words) - 20:27, 13 September 2021
- controlled fire was used up to 1.5 million years ago at Swartkrans, South ... of wood or sticks by Homo erectus about two million years ago. ...10 KB (1,556 words) - 00:50, 18 October 2022
- claim occurred as far back as two million years ago. The landscape is flat ... Some geologists believe that some twenty million years ago, Sinai ...12 KB (1,929 words) - 22:24, 29 January 2023
- desert after Antarctica at over 3.5 million square miles (9 million ... of volcanic eruptions about seventy million years ago, the area now in Chad ...19 KB (2,916 words) - 16:15, 25 August 2022
- Some 75 million years ago, however, the landscape was very different ... dates to the Late Campanian, about 75 million years ago. The Dinosaur Park ...13 KB (1,881 words) - 15:24, 29 January 2024
- which lived from 2.33 to 1.44 million years ago, although some authorities ... Homo erectus is considered to have arrived around 1.8 million years ...32 KB (4,672 words) - 09:45, 29 January 2024
- been where it is now for more than 550 million years. Most of it is a vast ... tools are first attested around 2.6 million years ago, when H. habilis in ...18 KB (2,657 words) - 21:07, 26 February 2023
- from the Late Miocene, less than 10 million years ago. This coincides with ... roughly two and a half to two million years ago, and are apparently ...17 KB (2,440 words) - 01:46, 29 June 2022
- out. By the start of the Eocene (55 million years ago), they had diversified ... emerged in the Miocene (about 20 million years ago) (Rabinowitz 1995) ...21 KB (3,171 words) - 20:50, 16 April 2023
- and Silurian periods (500-410 million years ago), becoming a shallow sea during the Carboniferous and Permian periods (340-250 million years ago). ...12 KB (1,782 words) - 23:30, 29 July 2023
