While the common ancestor of vertebrates with synovial joints is still a mystery, the oldest specimen with evidence of these ...

Jawlene, who is missing her top jaw, lives happily at Gatorland Orlando with her turtle friend after being rescued in 2023.

Researchers from the University of Chicago have discovered that these specialized joints first appeared in the common ancestor of all jawed vertebrates but were absent in jawless fish. This pushes ...

The fierce reptile, named Jawlene, was found in the wild and Florida Fish and Wildlife officials sent a trapper to rescue her and bring her to Gatorland Orlando. In 2023, the baby gator garnered a ...

Lampreys, a jawless fish, evolved over 450 million years ago. They’re older than dinosaurs, and even trees, and are still around in spite of at least four mass extinction events.

Five 'mass extinctions' have decimated our planet since it was formed - now scientists claim the answers to two could be ...

2 - Late Devonian (372-359 million years ago) which annihilated coral reefs and seabed living animals like jawless fish and shelled or exoskeleton sea creatures like trilobites and ammonoids.

There are also a few other types of species that can produce silk. The hagfish is an eel-shaped jawless fish that lives at the bottom of the ocean and produces slime/silk consisting of tens of ...

How TGF-β family members regulate sex determination in teleost fish is unclear ... plays important roles in hindbrain segmentation in a jawless vertebrate, the lamprey, thus indicating this ...