We probably inherited our joints from… a fish
While the common ancestor of vertebrates with synovial joints is still a mystery, the oldest specimen with evidence of these ...
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All in the Family
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 ...
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Your Knees and Elbows Exist Thanks to This Ancient Fish!
A research team led by Neelima Sharma from the University of Chicago examined the anatomy and development of joints in modern cartilaginous fish, such as sharks, and compared them to jawless fish ...
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Humans have the earliest jawed fish to thank for their flexible joints, study suggests
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 ...