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. Threatening shark - tv tropes, The threatening shark trope as used in popular culture. want to make a (usually) aquatic situation a dangerous nightmare? one way is sharks. trapped in the …. Shark week | watch full episodes & ! - discovery, Shark week official site. watch full episodes, get behind the scenes, meet the cast, and much more. stream shark week free with your tv subscription!.
The mammoth megalodon, shark 30 times size , The (carcharodon) megalodon thought looked great white shark, bit stocky bigger… bigger, average adult megalodon estimated weighed 70-100 tons ( 30 times great white shark full grown tend . http://www.todayifoundout.com/index.php/2012/12/the-mammoth-megalodon-a-shark-about-30-times-the-size-of-a-great-white-shark/ Shark week - wikipedia, External links. shark week discovery channel website; shark week internet movie database; shark week box; discovery channel time ‘shark week’ fans fuming, blaze; ’ time shark week redeem , boston globe; shark week’ ratings show ’ blood water, discover; proof megalodon swim . https://en.wikipedia.org/wiki/Shark_Week 50 amazing shark facts - sharksider., Aside amazing fact 500 species sharks roaming oceans, . 50 amazing shark facts!. https://www.sharksider.com/50-amazing-shark-facts/