UAn unusual discovery. Nothing less. On September 15, Australian paleontologists described an exceptional discovery in a special issue. Science. A few weeks ago, they discovered Arthrotires, a species that died out several hundred million years ago. Beyond that Fossils One of the earliest vertebrates on Earth Fossils There are still “soft tissues” of the samples, in other words their organs: heart, liver, stomach or intestines, for example. As if that wasn’t enough, these fossils are the oldest ever discovered by man.
An unprecedented discovery, it welcomes researchers gathered in the study Fossils. “For the first time, we can observe all the organs of a single jawed vertebrate. Like today’s sharks, these fish had their heart in their mouth and under their jaws,” Kate told Trinagnostic. Australian Geography. Also, thanks to modern technologies, there is no need to break open the fossils to observe the interior of the pieces found.
Read moreA very special animal – the coelacanth, our common ancestor
Research to better understand modern sharks and fish
From a scientific point of view, it must be realized that this discovery is a virtual breakthrough. According to the results of the researchers’ analysis, we can now learn how the heads of the first vertebrates were able to adapt to the appearance of jaws, which is still unknown. In particular, we can learn more about a species that is still alive by examining these fossils: Sharks ! With these fossils, we can understand how it is possible to study the internal organs of arthropods. Sharks Nowadays, by stuffing the liver, they maintain buoyancy.
Another line of research is the lungs of modern bony fishes. “We found no evidence for lungs in the placoderms we examined, which evolved independently from bony fishes at a later time,” he explains. Do these fossils allow us to lift the veil? Only the future will tell us.
Read moreTeeth, this archaeological treasure
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