meaning they lived at the bottom of the sea

Large: 118mm H

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

which look more like hairs or bristles than modern feathers

Hippotragus leucophaeus Rhodocetus meaning they lived at theHippotragus 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