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The Devonian (/ d ə ˈ v oʊ n i. ən, d ɛ-/ də-VOH-nee-ən, deh-) [9] [10] is a geologic period and system of the Paleozoic era during the Phanerozoic eon, spanning 60.3 million years from the end of the preceding Silurian period at 419.62 million years ago (), to the beginning of the succeeding Carboniferous period at 358.86 Ma.
This genus is known in the fossil records from as early as the Middle Devonian or the Late Carboniferous period [1] but dwindled to extinction in the Early Permian period (age range: from 383.7 to 254.0 million years ago). [2] Fossils are found in Great Britain, United States, Canada, China, Korea, Tanzania and Zimbabwe. [3]
Most of these plants have true roots and leaves, and many were quite tall. The tree-like Archaeopteris, ancestral to the gymnosperms, and the giant cladoxylopsid trees had true wood. These are the oldest known trees of the world's first forests. Prototaxites was the fruiting body of an enormous fungus that stood more than 8 meters tall. By the ...
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End Ordovician: 440 million years ago, 86% of all species lost, including graptolites; Late Devonian: 375 million years ago, 75% of species lost, including most trilobites; End Permian, The Great Dying: 251 million years ago, 96% of species lost, including tabulate corals, and most trees and synapsids
A judge in Brazil has ordered Adele’s song Million Years Ago to be removed globally from streaming services due to a plagiarism claim by Brazilian composer, Toninho Geraes. Geraes alleges that ...
Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature could explain a climate shift at the time.
YouTube Music is a music streaming service developed by the American video platform YouTube, a subsidiary of Google. The service is designed with a user interface that allows users to explore songs and music videos on YouTube -based genres, playlists, and recommendations.