"Sea Monsters: A Prehistoric Adventure" follows a dolichorhynchops as she travels through the most dangerous oceans in history. See more Sea Monsters! http://video.nationalgeographic.com/video/player/specials/fi lms-specials/trailers/sea-monsters.html?source=4002

"Sea Monsters: A Prehistoric Adventure" follows a dolichorhynchops as she travels through the most dangerous oceans in history. See more Sea Monsters! http://video.nationalgeographic.com/video/player/specials/fi lms-specials/trailers/sea-monsters.html?source=4002 less