Latest Issue of Science News


Ancient burrows

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.

This article is available only to subscribing members. Join SSP today or Log in.