Unlike most living fishes, the two living species of coelacanths, along with six living species of lungfishes, belong to a group known as the lobe-finned fishes. Projecting from the body on stalks ...

The animal was a so-called lobe-finned fish that lived about 375 million years ago. Named Tiktaalik rosae by its discoverers, it is a classic example of a transitional form, one that bridges the ...

We have arrived in the Devonian period, some 420 to 360 million years ago. In a shallow area near the water's edge, something happened that would forever change life on our planet: a fish from the ...