SEA MONSTERS "Back From the Dead" | National Geographic
Alive for the first time in 82 million years: Cretoxyrhina: Back when the the western United States was beneath the sea, a huge shark roamed those waters. Protestega: the great granddaddy of today's turtles was as big as a car; & Platecarpus: a scary, 24-foot long predator that swam in shallow waters like a snake.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
SEA MONSTERS "Back From the Dead" | National Geographic
• SEA MONSTERS "Bac...
National Geographic
/ natgeo