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Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer [2]. Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, [3] the Latest Permian extinction event, [4] the End-Permian extinction event, [5] [6] and colloquially ...
Dinosaurs are among the most famous subset of archosaurs, as are modern crocodilians and their prehistoric ancestors. [38] Several newly discovered "prolacertiforms", including Tanystropheus -, [ 51 ] Protorosaurus -, [ 52 ] and Prolacerta -like species, [ 53 ] were described in the 1970s, not long after the field of paleontology was ...
The plans made by the U.S. Bureau of Reclamation on a ten-dam, billion dollar Colorado River Storage Project began to arouse opposition in the early 1950s when it was announced that one of the proposed dams would be at Echo Park, in the middle of Dinosaur National Monument. The controversy assumed major proportions, dominating conservation ...
As this section of the Mosasaurus article says, the size of M. lemonnieri is estimated by its describer Louis Dollo to join around 7 to 10 m (23 to 33 ft) long. However the diagram showing the size of the largest known specimen shows it as reaching 12 m (39 ft) long, probably being based on the likely incorrect estimate of Paul (2022).
A few specimens from the Villabruna Cluster also show genetic affinities for East Asians that are derived from gene flow. [13] [36] The HERC2 variation for blue eyes first appears around 13,000 to 14,000 years ago in Italy and the Caucasus. [13]
Two significant cyclones moved through the region; one between February 27 and March 1 and the second between March 1 and 3. Over 254 mm (10.0 in) of rain had fallen during the five-day period. Massive debris flows moved out from the San Gabriel Mountains into the Los Angeles Basin.
A form of prehistoric art found all over the world, especially in Europe, small prehistoric statuettes known as Venus figurines with exaggerated breasts and bellies were made, the most famous ones being the Venus of Hohle Fels and the Venus of Willendorf, found in Germany and Austria. Most have small heads, wide hips, and legs that taper to a ...
Nizhny Novgorod Kremlin eternal flame memorializing losses during World War II .. An eternal flame is a flame, lamp or torch that burns for an indefinite time. Most eternal flames are ignited and tended intentionally, but some are natural phenomena caused by natural gas leaks, peat fires and coal seam fires, all of which can be initially ignited by lightning, piezoelectricity or human activity ...