Fish were the original trailblazers in the evolutionary story, the first creatures to develop backbones—a feature that defines all vertebrates, including you. Roughly 500 million years ago ...

Tracks found in early Carboniferous-period rocks in southeast Australia appear to be from an amniote, most likely a reptile.

New fossil tracks found in Australia may rewrite everything we thought we knew about animals’ move from sea to land.

Scientists in Australia have unearthed the oldest known fossil footprints of a reptile-like creature, pushing back the ...

New discoveries of fossil clawed footprints from Australia, published in Nature, push the origin of reptiles back in time by ...

New fossilized tracks made by an ancient reptile indicate that these animals evolved tens of millions of years sooner than ...

The best jaw for hunting fast fish is long and full of sharp teeth. This makes sense to us, but it also makes sense in nature ...

A fossil analysis suggests that the yunnanozoan, a wormlike fish that flourished around 520 million years ago, sported structures that were the precursors of the head and jaws of modern vertebrates.

Save guides, add subjects and pick up where you left off with your BBC account. Vertebrates are animals that have a spine Vertebrates are animals that have a spine (backbone) inside their body.

Model vertebrates are extensively studied non-human vertebrates (species with a notochord, or vertebral column) chosen for the ease of investigating particular biological phenomena in areas such ...

This story appears in the October 2017 issue of National Geographic magazine. From scales to feathers to fur, vertebrates clothe themselves in a dazzling variety of textures and hues. But ...

A comparative study of vertebrate embryological development focusing on the morphological development (e.g., Differentiation of tissues, organs, and systems) of vertebrates. Evolutionary relationships ...