Toes are a key tetrapod trait, Tiktaalik did not have them, and one of the best-preserved representations of a foot with toes is specimen Muz. PGI 1728.II.1. Altogether it seems to be an impression of ...

Ancient specimens of a previously undescribed species of four-limbed vertebrate fill a gap in the fossil record. The evidence offers surprises about where, when and how these ancestral relatives of ...

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 ...

It’s beginning to look like our success on land, and that of all tetrapods, from frogs to dogs to dinosaurs, was just a lucky side-effect of fish trying to stay fish. Eons is available to stream on ...

"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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Millions of years before Tyrannosaurus rex stalked the Earth, a ...

Thomas Evans received funding from The Alexander von Humboldt Foundation. Lost species are those that have not been observed in the wild for over ten years, despite searches to find them. Lost ...

Here’s what you’ll learn when you read this story: The common ancestor of all tetrapods (including humans) was previously thought to have emerged at the dawn of the Carboniferous period. Fossilized ...

"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 ...