Fossils of early jawless fish, in contrast, lack any signs of synovial joints. “Fossils from the extinct clades along the [jawed fish] ...

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 ...

More information: Sharma N, et al. Synovial joints were present in the common ancestor of jawed fish but lacking in jawless fish. PLOS Biology (2025). DOI: 10.1371/journal.pbio.3002990.

Citation: Sharma N, Haridy Y, Shubin N (2025) Synovial joints were present in the common ancestor of jawed fish but lacking in jawless fish. PLoS Biol 23(2): e3002990. https: ...

Yara Haridy, an evolutionary biologist at the University of Chicago, likes to stun people by telling them that our skeletons evolved from a jawless fish. “Much of what we have today has been ...

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 ...

Yara Haridy, an evolutionary biologist at the University of Chicago, likes to stun people by telling them that our skeletons evolved from a jawless fish. "Much of what we have today has been ...

These jawless, primitive fish are known for invading ecosystems and sucking blood, but scientists are using their genes to learn about early vertebrate evolution. (Image credit: ...