A single track-bearing slab calls into question everything we thought we knew about when modern tetrapods evolved.' ...

Scientists in Australia have identified the earliest known fossil footprints of a reptile-like animal on a slab of sandstone extracted from the Snowy Plains Formation near Melbourne.

Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal on a slab of sandstone ...

The footprints of a reptile-like creature appear to have been laid down around 356 million years ago, pushing back the ...

WASHINGTON — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after the ...

How Ancient Reptile Footprints Are Rewriting the History of When Animals Evolved to Live on Land WASHINGTON (AP) — Scientists in Australia have identified the oldest known fossil footprints of a ...