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Cambrian (redirect from Climate of the Cambrian)The Cambrian ( /ˈkæmbri.ən, ˈkeɪm-/ KAM-bree-ən, KAYM-) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted...89 KB (9,329 words) - 20:21, 11 November 2024- Cambrian explosion (section Dating the Cambrian)The Cambrian explosion (also known as Cambrian radiation or Cambrian diversification) is an interval of time beginning approximately 538.8 million years...134 KB (15,441 words) - 23:08, 8 November 2024
- in 1838 to describe the Cambrian and Ordovician periods. It was redefined by John Phillips (1800–1874) in 1840 to cover the Cambrian to Permian periods...35 KB (3,711 words) - 04:51, 28 October 2024
- current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the Phanerozoic Eon, which is named after Cambria...33 KB (3,531 words) - 20:44, 29 October 2024
The Cambrian Railways owned 230 miles (370 km) of track over a large area of mid Wales. The system was an amalgamation of a number of railways that were...16 KB (1,625 words) - 21:46, 17 September 2024
Phanerozoic Eon. The Ordovician spans 41.6 million years from the end of the Cambrian Period 485.4 Ma (million years ago) to the start of the Silurian Period...81 KB (7,811 words) - 18:17, 11 November 2024
epoch and series of the Cambrian. It lasted from 497 to 485.4 million years ago. It succeeds the Miaolingian series of the Cambrian and precedes the Lower...18 KB (1,356 words) - 18:15, 11 November 2024
The Cambrian Line (Welsh: Llinell y Cambrian), sometimes split into the Cambrian Main Line (Welsh: Prif Linell y Cambrian) and Cambrian Coast Line (Welsh:...35 KB (3,449 words) - 17:00, 11 November 2024
by the Cambrian Railways company enabled the building of the line. The company was always in debt and in 1921 was obliged to sell the line to the Cambrian...21 KB (2,545 words) - 22:03, 3 September 2024
Cambrian Series 2 is the unnamed 2nd series of the Cambrian. It lies above the Terreneuvian series and below the Miaolingian. Series 2 has not been formally...9 KB (787 words) - 06:12, 11 November 2024
The Cambrian Heritage Railways is a heritage railway company, trust and society based at both Llynclys and Oswestry in its restored Oswestry railway station...21 KB (2,581 words) - 16:49, 21 October 2024
The Miaolingian is the third Series of the Cambrian Period, and was formally named in 2018. It lasted from about 509 to 497 million years ago and is divided...13 KB (957 words) - 18:15, 11 November 2024- Road railway station on the Newtown and Machynlleth Railway section of the Cambrian Railways. Despite being only 6 miles 63 chains (10.9 km) long, there...17 KB (2,096 words) - 21:52, 3 September 2024
biodiversity known as the Cambrian explosion. Most of the currently existing body plans of animals first appeared in the fossil record of the Cambrian rather than...105 KB (11,023 words) - 19:25, 24 September 2024- was worked by the Cambrian Railways effectively as part of that company's system. Wrexham was then the largest town served by the Cambrian Railways. Whitchurch...20 KB (2,537 words) - 20:27, 3 September 2024
The Terreneuvian is the lowermost and oldest series of the Cambrian geological system. Its base is defined by the first appearance datum of the trace fossil...9 KB (611 words) - 18:14, 11 November 2024
years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Cambrian–Ordovician extinction event, also known as the Cambrian-Ordovician boundary event, was an extinction...7 KB (792 words) - 18:11, 8 August 2024
most ancient taxons. Chordate fossils have been found from as early as the Cambrian explosion over 539 million years ago. Of the more than 81,000 living...58 KB (5,253 words) - 12:41, 9 November 2024
typically only found in exceptionally preserved deposits, mostly during the Cambrian period. The exact relationships of artiopods to other arthropods is uncertain...111 KB (11,936 words) - 06:30, 13 November 2024
of the Cambrian period, 550 million years ago. The evolution of a mineralised exoskeleton is considered a possible driving force of the Cambrian explosion...19 KB (2,136 words) - 16:12, 13 July 2024
- explosions) (evolutionary biology) The relatively rapid appearance, during the Cambrian Period around 541 million years ago, of most major animal phyla, as demonstrated
- Murchison published his Silurian system in 1839, wherein he recognized the Cambrian to include the barren slates and grits of Harlech, Llanberis and the
- essential service to rural communities along the route. The Cambrian Line takes the same route as the Cambrian Coast Line as far as Machynlleth, where it goes
- Did It Get Here? By Evolution or by Creation? Beginning at the base of the Cambrian period and extending for about 10 million years, all the major groups
- The Cambrian is the first period of the Paleozoic era of the Phanerozoic eon. The beginning of Cambrian time coincides with a mass extinction event that