Brontornis burmeisteri Pentaceratops Medidas aproximadas del Polacanthus:

Medidas aproximadas del Polacanthus:

ya que les permitía evitar depredadores al ser muy grandes y potencialmente intimidantes

Width 55 mm

but also possessed reptilian features such as teeth

Brontornis burmeisteri Pentaceratops Medidas aproximadas del Polacanthus:Brontornis (B. burmeisteri `Thunderbird) giant flightless herbivorous bird from South America that was the largest species of its group with a height of around 2. 80 meters and an estimated weight of 350 400 kg that lived in the Time of Lower Middle Miocene of the Neogene. A new phylogenetic study of the species Brontornis burmeisteri places it as a member of the Anseriformes group and not a terror bird, as had been proposed to date, so it would be