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Amniote reconstruction. Credit: Martin Ambrozik Fossil tracks from Australia reveal reptiles appeared 40 million years earlier than thought. The origin of reptiles on Earth may be up to 40 million ...

If amniotes had already evolved by the earliest Carboniferous, as our fossil shows, the last common ancestor of amniotes and amphibians must lie much further back in time, in the Devonian period.

If amniotes had already evolved by the earliest Carboniferous, as our fossil shows, the last common ancestor of amniotes and amphibians has to lie much further back in time, in the Devonian period.

The first feet on land Tetrapods originated a long time ago in the Devonian period, when strange lobe-finned fishes began to haul themselves out of the water, probably around 390 million years ago.

It’s quite possible. Only more fieldwork, bringing to light new discoveries of Devonian and Carboniferous fossils from the old Gondwana continents, might one day answer that question. Top image: ...

If amniotes had already evolved by the earliest Carboniferous, as our fossil shows, the last common ancestor of amniotes and amphibians has to lie much further back in time, in the Devonian period. We ...

Their analysis, overlaying branch lengths from DNA analyses onto the known fossil dates, indicates that the tetrapod crown group node lies far back in the Devonian, roughly contemporary with Tiktaalik ...

Dating by the team suggests that the groups diverged in the Devonian period, about 380 million years ago. To estimate the probable time of divergence, Long and his colleagues used several dating ...

If amniotes had already evolved by the earliest Carboniferous, as our fossil shows, the last common ancestor of amniotes and amphibians has to lie much further back in time, in the Devonian period. We ...