4 metros de largo y pesar 900 kg y poseían cráneos de alrededor de 90 centímetros de largo repleto de dientes grandes y bastante desiguales

approximately 86 to 84 million years ago

lives on in the fossil records

with toothless beaks and forelimbs adapted for different functions

Hippotragus leucophaeus Rhodocetus 4 metros de largo yHippotragus 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