The World's Oldest Footprints Has Been Known

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In the study conducted by a group of scientists in China, the world's oldest animal footprints were discovered.

Scientists think that these footprints may belong to some kind of arthropod. C: Virginia Tech

Scientists in China claimed to have found the oldest fossilized animal footprints. Parallel traces were muddy in the Yangtze Strait of southern China 551 million years ago.

It was determined that the footprint recorded in an indeterminate form on a limestone fossil several millimeters long belonged to the period 541 to 551 million years ago.

The history of these footprints dates back 10 million years before the Cambrian Explosion, where creatures, and other animals, have developed rapidly and have been able to leave such footprints.

( The Longest Footprint Trail Found in a Dinosaur )

Dr Shuhai Xiao of Virginia Tech: "If an animal makes footprints, footprints will form a depression on the surface of the sediment and the depressions will be filled with sediments from the top layer. Such a fossilin pattern is different from other species of trace fossils, such as tunnels or cavities or body fossils. "

"Footprints occur in two parallel rows, as would be expected if done by animals with double sided extensions. It also occurs in repetitive groups as the animal expects if it has more than one pair of extensions.

No evidence was ever found of the older animals dating back to the ancients earlier than the Cambrian Explosion, the period of rapid surge in diversity on Earth. The Cambrian Explosion took place between 540 million and 510 million years ago.

The oldest known footprints in the world are 551 million years old. C: Virginia Tech

Unusually, the uneven and complicated footprints of the subject creation cause some hesitation.

The published research on the finds suggests that the traces resemble fossil traces recorded in Dunure and Montrose in Scotland, where the traces are believed to date to 419 and 358 million years ago.

But the new finding provides scientists with enough information to determine what kind of animal their footprint belongs to.

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Dr Xiao says, "We have clearly stated that we do not know exactly what animals are doing with these footprints, apart from which there are double extensions because animals must be bilaterally symmetric."

"At least three groups of animals have double-sided extensions; tetrapods such as ringworms like bees, ringworms like wolves, and humans. Arthropods and ringworms or ancestors are probable; and modern arthropods and ringworms provide a suitable analog to guide the interpretation of these fossils. "


" But if the animal does not die near its own footprints, and it is not protected as much as it is day-to-day, it is very difficult to say exactly what the footprinting animal is. "

The Independent. June 7, 2018.

Article : Zhe Chen, Xiang Chen, Chuanming Zhou Xunlai Yuan and Shuhai Xiao. 2018. Late Ediacaran trackways produced by bilaterian animals with paired appendages. Science Advance.


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