"I'm stunned." says Per Ahlberg of Uppsala University, who coordinated the study; "A single track-bearing slab, which one person can lift, calls into question everything we thought we knew about when ...

“I’m stunned,” Per Ahlberg, a paleontologist at Uppsala University in Sweden who coordinated the study, said in a statement. “A single track-bearing slab, which one person can lift, calls into ...

Add Yahoo as a preferred source to see more of our stories on Google. Here’s what you’ll learn when you read this story: The common ancestor of all tetrapods (including humans) was previously thought ...

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Dr Aaron Camens, Professor John Long and Dr Alice Clement with a replica of the fossil trackways at Flinders University's Palaeontology Lab. The origin of reptiles on Earth has been shown to be up to ...

Introduction. -- Skulls and skeletons in transition. -- Relationships and relatives: the lobe-fin family. -- Setting the scene: the Devonian world. -- The first feet: tetrapods of the Famennian. -- ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: The common ancestor of all tetrapods (including humans ...