A four-legged, mammal-like reptile dug a lair in the Antarctic soil between 280 and 235 million years ago
Triassic-era sediments reveal that a four-legged animal — a reptile of the type from which modern-day mammals evolved — once burrowed in Antarctic soils. The findings, reported in the June Journal of Vertebrate Paleontology, are the first to show that such a creature lived so close to the poles during that time period.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.