Jawless, bloodsucking fish could help us understand how humans and all other vertebrates evolved, scientists say. Turns out, lampreys — notable for their lack of jaw and generally terrifying ...

Hundreds of millions of years ago, jawless fishes swam Earth’s seas, their brains protected on the outside by armored skin, and on the inside by plates made of cartilage. Scientists are still piecing ...

Researchers have shown that complex divisions in the vertebrate brain first appeared before the evolution of jaws, more than 500 million years ago. The study shows that two elements of brain ...

Dec. 6 (UPI) --The hagfish, an eel-shaped, jawless fish, has offered scientists new insights into the development of the inner ear structure present in all jawed vertebrates. The inner ears of all ...

TOKYO, Feb. 15 (UPI) --The complexities of the vertebrate were thought to be closely linked with the development of the jaw. Until now, researchers believed jawless fish brains lacked distinct brain ...

Before the first ape fell out of the tree and the dinosaurs roamed the Earth, our most ancient vertebrate ancestors evolved in the oceans hundreds of millions of years ago. These were simple, ...

The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ancient jawed fish ancestors, according to a study published in the ...

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