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News About The Primordial Earth
June 23, 2017
Volcanic eruptions triggered dawn of the dinosaurs
Oxford, UK (SPX) Jun 22, 2017
Huge pulses of volcanic activity are likely to have played a key role in triggering the end Triassic mass extinction, which set the scene for the rise and age of the dinosaurs, new Oxford University research has found. The Triassic extinction took place approximately 200 million years ago, and was proceeded by the dinosaur era. One of the largest mass extinctions of animal life on record, the casualty list includes large crocodile-like reptiles and several marine invertebrates. The event also caus ... read more

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Brazilian carnivorous mammal-like reptile fossil may be new Aleodon species
Some Late Triassic Brazilian fossils of mammal-like reptiles, previously identified as Chiniquodon, may in fact be the first Aleodon specimens found outside Africa, according to a study published Ju ... more
Otter fossil suggests ancient mammals migrated across Mexico, from Florida to California
An ancient sea otter fossil found in Central Mexico suggests mammals once followed an east-to-west migration route from Florida to California. ... more
Comets may have delivered significant portions of Earth's xenon
A new study suggests that roughly 22% of the element xenon found in Earth's atmosphere may have come from comets. The finding - shedding light on a decades-long mystery about the source for some of ... more
Paleontologists find Cretaceous-era baby bird trapped in amber
Scientists have discovered the remains of a Cretaceous-era baby bird inside a piece of 99-million-year-old amber. The amber fossil was found in Myanmar and purchased by scientists from local amber hunters. ... more
Geology and biology agree on Pangaea supercontinent breakup dates
Scientists at The Australian National University (ANU) have found that independent estimates from geology and biology agree on the timing of the breakup of the Pangaea supercontinent into today's co ... more
3-D-modeling of food residues in 230 million years old fossil feces
Synchrotron scanning can produce high-quality 3D models of well-preserved food residues from fossil faeces. That's the result of a new study, by palaeontologists from Uppsala University and from ESR ... more
Scientists unveil Japan's largest complete dinosaur skeleton
Scientists in Japan have discovered the island nation's largest complete dinosaur skeleton. The record-breaking, 72-million-year-old fossils were unearthed on Japan's northern island of Hokkaido. ... more
Scientists unearth world's oldest mushroom fossil
Some paleontologists look for dinosaur bones. Others look for mushrooms. And one of those fungus hunters, a paleontologist from the University of Illinois, has discovered the oldest fossil mushroom in the world. ... more

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How methane-making microbes kept the early Earth warm
For much of its first two billion years, Earth was a very different place: oxygen was scarce, microbial life ruled, and the sun was significantly dimmer than it is today. Yet the rock record shows t ... more
Paleobiologists make intriguing new discoveries about dinosaur ancestors
Dinosaurs emerged in Triassic, a geological period of the Mesozoic era which started 252 Mya. It was then when archosaurs split into two evolutionary branches - bird-like and crocodile-like. D ... more
Just how old are animals
The origin of animals was one of the most important events in the history of Earth. Beautifully preserved fossil embryos suggest that our oldest ancestors might have existed a little more than half ... more
New insights into the ancestors of all complex life
A team of scientists led by the University of Bristol has provided new insights into the origins of the Archaea, the group of simple cellular organisms that are the ancestors of all complex life. Th ... more
Genetic analysis of New World birds confirms untested evolutionary assumption
Biologists have always been fascinated by the diversity and changeability of life on Earth and have attempted to answer a fundamental question: How do new species originate? An implicit assump ... more
New species of bus-sized fossil marine reptile unearthed in Russia
A new species of a fossil pliosaur (large predatory marine reptile from the 'age of dinosaur') has been found in Russia and profoundly change how we understand the evolution of the group, says an in ... more
How did dinosaurs learn to fly? Hopping parrots offer clues
While watching parrotlets hop from branch to branch while foraging, a pair of Stanford researchers hypothesized that the earliest winged dinosaurs may behaved similarly. ... more
Large volcanic eruption may have caused the first mass extinction
Researchers in the USA and Japan say they may have found the cause of the first mass extinction of life. There have been five mass extinctions since the divergent evolution of early animals 60 ... more

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Life in the Precambrian may have been much livelier than previously thought
The Garden of the Ediacaran was a period in the ancient past when Earth's shallow seas were populated with a bewildering variety of enigmatic, soft-bodied creatures. Scientists have pictured it as a ... more
The secrets behind T. rex's bone crushing bites: Researchers find T. rex could crush 8,000 pounds
The giant Tyrannosaurus rex pulverized bones by biting down with forces equaling the weight of three small cars while simultaneously generating world record tooth pressures, according to a new study ... more
UCR study sheds light on Earth's first animals
More than 550 million years ago, the oceans were teeming with flat, soft-bodied creatures that fed on microbes and algae and could grow as big as bathmats. Today, researchers at the University of Ca ... more
Warm-bloodedness emerged 20 million years earlier than previously thought
Until recently, scientists believed four-legged land animals first evolved warm-bloodedness roughly 270 million years ago. But a new analysis suggests the feature emerged 20 to 30 millions years earlier. ... more
Jurassic drop in ocean oxygen lasted a million years
Dramatic drops in oceanic oxygen, which cause mass extinctions of sea life, come to a natural end - but it takes about a million years. The depletion of oxygen in the oceans is known as "anoxi ... more
Ancient proteins studied in detail
How did protein interactions arise and how have they developed? In a new study, researchers have looked at two proteins which began co-evolving between 400 and 600 million years ago. What did they l ... more
Giant bird-like dinosaur species found in China: study
Researchers have discovered a new species of giant, bird-like dinosaur that made nests larger than monster truck tires in what is now central China, a study said. ... more
Earth was barren, flat and almost entirely under water 4.4 billion years ago
Scientists at The Australian National University (ANU) say the early Earth was likely to be barren, flat and almost entirely under water with a few small islands, following their analysis of tiny mi ... more
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