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How did vertebrates first evolve jaws?

Five hundred million years ago, jaws didn’t exist. The first vertebrates on Earth were in fact wormlike-fish, the 518 million-year-old Metaspriggina walcotti

How Did Vertebrates First Evolve Jaws?

Nearly all fishes possess a tiny anatomical structure called a “pseudobranch,” which resembles a vestigial gill and according to research, this structure originates from the same mandibular arch that gives rise to the jaw.

Scientists Unlock A Thrilling Evolutionary Innovation In Vertebrates

It was quite safe to go back to the water five hundred million years ago. This is because deep-sea organisms had not yet evolved jaws. Scientists have

How did vertebrates first develop jaws?

How did vertebrates first evolve jaws?