31. The next day Cat and her partners go out on a boat to find and tag the Megalodon . 32. The Megalodon leaves and later kills a man who is playing frisbee on the beach with his dog. 33. The Megalodon attacks a yacht, slamming into it a couple of times, knocking several people overboard. 34. :According to the Florida Museum of Natural History, " " Megalodon became extinct 2 mya. 35. The scientific name of this species is commonly abbreviated " C . megalodon " in the literature. 36. The extinction of " C . megalodon " set the stage for further changes in marine communities. 37. Shearwater Research began by building controller boards for the Innerspace Systems Corp ( ISC ) Megalodon rebreathers in 2004. 38. Prendes researched on the extinct megalodon 's mating and feeding habits to help him in writing the screenplay. 39. Fossil remains of " C . megalodon " confirm that it had a heavily calcified skeleton while alive. 40. Earlier variety were probably preyed upon by killer sperm whales and large sharks such as " Megalodon ".
