Thylacine is commonly known as the Tasmanian Tiger, was the largest known carnivorous MARSUPIAL of modern times, become extinct in the 20th century (7 September 1936), and has some really impressive features such as 46 teeth and a jaws able to open at an unusual 120 degrees. An amazing. but extinct animal! This video was shot in 1933 by the naturalist David Fleay.