Posts Tagged ‘duckbilled’

Ancient mass extinction led to dominance of tiny fish, paleontologist shows

     When times are good, it pays to be the big fish in the sea; in the aftermath of disaster, however, smaller is better. According to new research led by the University of Pennsylvania’s Lauren Sallan, a mass extinction 359 million years ago known as the Hangenberg event triggered a drastic and lasting transformation of […]

Powered by WordPress | Designed by: Premium WordPress Themes | Thanks to Themes Gallery, Bromoney and Wordpress Themes