Rise of crocodiles stemmed from mass extinction, study says

03/26/2013 | LiveScience.com

The extinction of nearly half the Earth's species 201 million years ago may have given rise to an ancestor of the crocodile, according to a study published in the journal Biology Letters. Researchers say volcanic activity or a large meteor between the Triassic and Jurassic eras killed off nearly all archosaurs that were crocodile-like, known as pseudosuchia. The only one that survived was the crocodylomorph -- the ancestor to today's crocodiles and alligators.

View Full Article in:

LiveScience.com

Published in Brief:

SmartBrief Job Listings for Education

Job Title Company Location
San Francisco Unified is Accepting Applications for 2015-16!
San Francisco Unified school District
San Frnacisco, CA
San Francisco Unified is Accepting Applications for 2015-16!
San Francisco Unified School District
San Francisco, CA
Director of Professional Services
Engaging Schools, Inc.
Cambridge, MA
Principal at Emerson Academy of Dayton
National Heritage Academies
Dayton, OH
Program Officer, Teacher Development
Knowles Science Teaching Foundation
Moorestown, NJ