their discovery has provided valuable information on the diversity and evolution of tyrannosaurids during the Late Cretaceous in the Arctic

las hembras de Protoceratops buscan un lugar adecuado para anidar y poner sus huevos

in the Frasnian and Famenian

including fish

a prehistoric marine reptile that lived during the Late Cretaceous period

Brontornis burmeisteri Scale:1:35 their discovery has provided valuableBrontornis (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