Early jawless fish were likely to have ... CT scanning techniques to the study of fossil fish is revealing so much new ...

This fossil evidence suggests that synovial joints emerged in jawed fish, giving them a major advantage over jawless species. With more flexible movement, these ancient creatures could navigate ...

the most ancient known synovial joint. Altogether, these results show that synovial joints are shared across jawed fish, but apparently absent in jawless fish, indicating that these joints first ...

the most ancient known synovial joint. Altogether, these results show that synovial joints are shared across jawed fish, but apparently absent in jawless fish, indicating that these joints first ...

The most ancient fish were jawless, and since our whole group has jaws, we can safely choose a jawless fish as a fairly recent ancestor. Unfortunately, this ancestor is long dead. To compare ...