La coexistencia de estas especies sugiere que la presión evolutiva de un entorno insular limitado condujo a la reducción de tamaño como una estrategia de supervivencia

como Pachycephalosaurus

Unlike many other herbivorous dinosaurs

muestran impresiones de plumas preservadas en la roca circundante y en el propio esqueleto del dinosaurio

but for a longer period of time than the latter

Hippotragus leucophaeus Scale:1:18 La coexistencia de estas especiesHippotragus 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