approximately 12-13 million years ago

but for a longer period of time than the latter

como Pachycephalosaurus

The Tsintaosaurus is believed to have lived in herds and fed on a variety of plants

Hippotragus leucophaeus Scale:1:18 approximately 12-13 million years agoHippotragus 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