lunedì 3 marzo 2014

NYT Science: When Trilobites Ruled the World

When Trilobites Ruled the World
By NATALIE ANGIER

The remains of trilobites, a diverse group of marine animals much older than dinosaurs, are remarkably well preserved, providing fresh insights of their anatomies and social behavior.

Published: March 4, 2014 at 5:00AM

via NYT Science http://ift.tt/1lvgT1T