Date and Rate of Earth’s Most Extreme Extinction Pinpointed: Results Stem from Largest Ever Examination of Fossil Marine Species

ScienceDaily (Nov. 17, 2011) — It's well known that Earth's most severe mass extinction occurred about 250 million years ago. What's not well known is the specific time when the extinctions occurred. A team of researchers from North America and China have published a paper in Science which explicitly provides the date and rate of extinction.
Trackbacks

    Warning: Use of undefined constant type - assumed 'type' (this will throw an Error in a future version of PHP) in /var/www/html/wp-content/themes/grassland/comments.php on line 30
Comments

    Warning: Use of undefined constant type - assumed 'type' (this will throw an Error in a future version of PHP) in /var/www/html/wp-content/themes/grassland/comments.php on line 38
Leave a Comment