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A skull of Romundina, one of the earliest jawed fish, is shown in this image courtesy of Uppsala University in Sweden. REUTERS/Philippe Loubry, MNHN-CNRS-UPMC/Handout (Reuters) By Will Dunham ...

It looks AI-generated, but the truth is much older. We dig into the fossil record to uncover the story of Sacabambaspis, a ...

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 ...

Researchers at the RIKEN Evolutionary Morphology laboratory and other institutions in Japan have shown that complex divisions in the vertebrate brain first appeared before the evolution of jaws, more ...

Early jawless fish were likely to have used bony projections surrounding their mouths to modify the mouth’s shape while they collected food. Experts led by the University of Birmingham have used CT ...

Long before humans evolved, a small eel shaped creature swimming in ancient seas carried eyes that look strikingly familiar. New analysis of 443-million-year-old fossils from Scotland shows that some ...

An international team led by scientists from the Canadian Museum of Nature and the University of Chicago reconstructed the brain, heart, and fins of an extinct fish called Norselaspis glacialis from a ...

The Galeaspida is a clade of armored jawless vertebrates. Most galeaspids have a strongly flattened head-shield, dorsally set eyes, and a ventral mouth, indicating a benthic lifestyle moving on sandy ...

Researchers recently discovered that the sea lamprey, a modern representative of ancient jawless vertebrates, fights invading pathogens by generating up to 100 trillion unique receptors. These ...