Meg: deep terror - wikipedia, Plot summary. in the novel's prologue, taking place during the late cretaceous period, a tyrannosaurus rex stumbles into the ocean while pursuing a herd of shantungosaurus, and is promptly attacked and devoured by a massive megalodon.. in 1997, jonas taylor, a paleontologist and marine biologist, is working deep in the mariana trench with the united states navy.. Shark - wikipedia, Modern sharks began to appear about 100 million years ago. fossil mackerel shark teeth date to the early cretaceous.one of the most recently evolved families is the hammerhead shark (family sphyrnidae), which emerged in the eocene. the oldest white shark teeth date from 60 to 66 million years ago, around the time of the extinction of the dinosaurs.in early white shark evolution there are at.
Megalodon shark facts, The megalodon shark (aka megatooth shark, monster shark giant white shark) mysterious elusive prehistoric animals world.. estimated length 45 – 60 ft. long largest prehistoric shark existed powerful predators earth.. https://www.whalefacts.org/megalodon/ Sharks | smithsonian ocean, A 2007 study shark eye size varied depending shark’ habitat. sharks stay surface evolved hunt sunlight rely vision senses, large eyes.. http://ocean.si.edu/ocean-life/sharks-rays/sharks Wild nature | fox news, A woman reeled “dream” tiger shark coast corpus christi, texas weekend, south texas fishing association announced monday.. http://www.foxnews.com/category/science/wild-nature.html