Enigmatic structures in Australian rocks may be the filled-in remains of world’s oldest dinosaur burrows
Three enigmatic structures embedded in 106-million-year-old Australian rocks may be the remains of dinosaur burrows that were filled in by an ancient flood, a new study suggests. If that’s true, these fossils represent the oldest known dinosaur burrows and the first found outside North America.
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.