The most severe occurred at the end of the Permian period when 96% of all species perished. This along with K-T are two of the Big Five mass extinctions, each of which wiped out at least half of all species.
Otzi The Iceman. Otzi The Iceman. Otzi. also called Otzi the Iceman, the Similaun Man, the Man from Hauslabjoch, Homo tyrolensis, and the Hauslabjoch mummy, is a well-preserved natural mummy of a man who lived around 3,300 BCE.Otzi was discovered in Europe 1991 in the Otztal Alps on the Austrian-Italian border.tzi The Iceman. Otzi The Iceman. Otzi. also called Otzi the Iceman, the Similaun Man, the Man from Hauslabjoch, Homo tyrolensis, and the Hauslabjoch mummy, is a well-preserved natural mummy of a man who lived around 3,300 BCE.
However,  Anatosaurus Dinosaur  has been establish to be a junior synonym of Edmontosaurus and is now an invalid name. George F. Sternberg made his most important dinosaur discovery in 1908: he was the first person to find an impression of dinosaur skin, which belonged to Anatosaurus. Sternberg made many other amazing discoveries, including the first fossil of Edmontosaurus. Some specimens, such as the well-known mount in the New York American Museum of Natural History, vary from Edmontosaurus and have been placed in the new genus Anatotitan.