with 80 serrated teeth that allowed it to tear the flesh of its prey

approximately 86 to 84 million years ago

with toothless beaks and forelimbs adapted for different functions

Snout-tail length 117 mm

which look more like hairs or bristles than modern feathers

Hippotragus leucophaeus Rhodocetus with 80 serrated teeth thatHippotragus leucophaeus is an extinct species of artiodactyl mammal of the family Bovidae, commonly known as Bluebuck, was a species of antelope native to the coastal plains of South Africa. Unfortunately, due to extensive hunting and habitat loss, the Bluebuck faced a rapid decline in its population during the 18th century and finally became officially extinct in the wild in the early 19th century. This extinction serves as a historical example of