Summary:
- Researchers have discovered a new species of Jurassic-era reptile called Macrocnemus, a type of "sword dragon" that lived around 240 million years ago.
- This new species, named Macrocnemus atticus, had a long neck and a unique bony structure on its head, which may have been used for display or defense.
- The discovery of this new species could help scientists better understand the evolution of early reptiles and the relationships between different groups of these ancient creatures.