Previously unknown extinction of marine megafauna discovered

(University of Zurich) Over two million years ago, a third of the largest marine animals like sharks, whales, sea birds and sea turtles disappeared. This previously unknown extinction event not only had a consid-erable impact on the earth's historical biodiversity but also on the functioning of ecosystems. This has been demonstrated by researchers at the University of Zurich.

from EurekAlert! - Archaeology http://ift.tt/2s9v7Qz