Megalodon

Megalodon meaning Big tooth Is an extinct species of shark That lived form 23Million years ago to 3.6Million years ago during the early Miocene to the Pliocene It was formely thought to be A member of the Family Lamnidae Makeing it closely related to the great white shark However presently presently there is a Near unanimous Consensus That it belongs to the Extinct family Otodontidae Which diverged form the ancestry of the great white shark during the Early Cretaceous It's genus placement Is still debated Authors placing it In either Carcharocles Megaselachus Otodus or Procarcharodon.

Mature male megalodon may have had a body mass of 12.6 to 33.9 metric tons (13.9 to 37.4 short tons), and mature females may have been 27.4 to 59.4 metric tons (30.2 to 65.5 short tons), assuming that males could range in length from 10.5 to 14.3 meters (34 to 47 ft) and females 13.3 to 17 meters (44 to 56 ft). 

The megalodon lived in most regions of the ocean (except near the poles). While juveniles kept to the shores, adults preferred coastal areas but could move into the open ocean. The most northern fossils are found off the coast of Denmark and the most southern in New Zealand.