Instant Alert: These are the monsters that today's animals descended from

MANAGE SUBSCRIPTIONS   |   UNSUBSCRIBE   |   VIEW ONLINE   These are the monsters that today's animals descended from by Rob Ludacer on Jun 1, 2017, 12:03 PM After dinosaurs went extinct, things were still pretty big. During the rise of the mammals, enormous creatures roamed the Earth. These monsters would go on to become some of our smaller creatures, with one big exception. Follow Tech Insider: On Facebook   Share the latest business news with your network:    Email sent to:   |   Manage your email preferences   |   Unsubscribe Terms of Service   |   Privacy Policy Business Insider. 150 Fifth Avenue, New York, NY 10011