Hiker Couple Stumble on Strange Rock With Footprints in Alps, Potential Evidence of an Entire Prehistoric Ecosystem
An Italian couple through their discovery has provided researchers with a glimpse into the captivating Permian period. Claudia Steffensen and her husband were hiking through a rocky trail in the Italian Alps when they spotted some mysterious-looking patterns, Smithsonian Magazine reported. These patterns were later revealed to be reptile footprints from the time predating dinosaurs.
Steffensen uncovered the 'strange' designs on a light gray rock along a trail in the Valtellina Orobie Mountains Park in 2023, Daily Mail reported. The couple clicked photos of the patterns and managed to send them to a research team, who after analysis found that they were footprints. The team further discovered that they belonged to a reptile that roamed the Earth during the Permian period.
Scientists worldwide have garnered a renewed interest in the Permian period, because of how it ended, Daily Mail reported. Hence, the team decided to visit the spot themselves, in hopes of getting more samples from the era. Their wish was answered, as the team unearthed hundreds of other fossilized footprints. Examination revealed that these footprints belonged to five ancient reptiles, amphibians, and insect species. There was an entire prehistoric ecosystem buried in the trail for millenniums.
Alongside animal footprints, researchers also found plant fossils, such as fragments of seeds, leaves, and stems, Daily Mail reported. Experts also located imprints of raindrops and waves on places that once were shores of prehistoric lakes.
The evidence from the area gave researchers an idea about the average height of some species during that period, Daily Mail reported. Researchers claimed that many of the beings that lived there during the Permian era measured between six and 12 feet long. Experts were happy to have uncovered the fossils in such a good state.
Lorenzo Marchetti, from the Museum of Natural History in Berlin, claimed, that some of them were so detailed, that even the "imprints of fingernails and the belly skin of some animals" were visible. Researchers believe this remarkable preservation is an outcome of, the fossils' proximity to water.
Many fossils that experts recovered from the area were preserved in fine-grained sandstone. "The footprints were made when these sandstones and shales were still sand and mud-soaked in water at margins of rivers and lakes, which periodically, according to the seasons, dried up," co-researcher and paleontologist, Ausonio Ronchi, of the University of Pavia explained.
"The summer sun, drying out those surfaces, hardened them to the point that the return of new water did not erase the footprints but, on the contrary, covered them with new clay, forming a protective layer," he added.
Researchers believe the fossils came out in the open because of global warming, Daily Mail reported. Previously they were stashed underneath multiple layers, which have now melted because of intense heat. Currently, they are on display at the Milan Natural History Museum.
As per experts, the Permian period lasted from 299 million to 252 million years ago. During that time, the climate got so heated up that 90 percent of Earth's species were wiped out. This effectively brought the period to a close and led to the Mesozoic era.
Researchers hope that these Permian period discoveries caution humans about the consequences of global warming, Daily Mail reported. "These fossils… testify to a distant geological period, but with a global warming trend completely similar to that of today," the researchers said. "The past has a lot to teach us about what we risk getting the world into now."