Earliest amniote tracks recalibrate the timeline of tetrapod evolution
Nature, Published online: 14 May 2025; doi:10.1038/s41586-025-08884-5Analysis of a fossil trackway from the earliest Carboniferous of Australia shows prints of toes with claws, suggesting that the origin of amniotes was at least 35–40 million years earlier than previously thought.

Nature, Published online: 14 May 2025; doi:10.1038/s41586-025-08884-5Analysis of a fossil trackway from the earliest Carboniferous of Australia shows prints of toes with claws, suggesting that the origin of amniotes was at least 35–40 million years earlier than previously thought.