en el rango de tiempo conocido como el Maastrichtiano

Arctodus pristinus is an extinct species of short-faced bear belonging to the genus Arctodus

The limbs of Arctodus pristinus were long and slender in proportion to its body

with shells measuring more than 2 meters (6

Archaeopteryx lithographica Scale:1:1 en el rango de tiempoArcheopteryx lithographica is an emblematic species of evolution, considered a crucial link between dinosaurs and modern birds. It lived during the late Jurassic period, approximately 150 million years ago, and its fossils have been found in the Solnhofen region of Bavaria, Germany. This discovery, first made in 1861, revolutionized our understanding of bird evolution. Archeopteryx had a size comparable to that of a modern pigeon, with a length of