#FossilFootprints date back to between 21,000 and 23,000 years ago, upending previous theory that humans reached continent much later.

Previously, it was believed that humans did not reach the #Americas until a few thousand years before rising sea levels covered the #BeringLandBridge between #Russia and #Alaska, perhaps about 15,000 years ago.

#NewMexico footprints are oldest sign of humans in Americas, research shows | #Archaeology | The Guardian
https://www.theguardian.com/science/2023/oct/06/footprints-humans-americas-oldest-sign-new-mexico?utm_source=press.coop

Reaching out across hundreds of millions of years... this and many more sauropod footprints (with tracks criss-crossing each other on enormous limestone slabs) was discovered in the 1980s in a commercial quarry. It's now a national monument, preserving a prehistoric treasure and giving visitors a chance to touch a trace of these ancient creatures.

#prehistory #prehistoria #DinosaurFootprints #PegadasDoDinossauros #FossilFriday #fossilfootprints #paleontology #portugaldenorteasul