Acheroraptor temertyorum Variant:Unprimed One of the most distinctive

One of the most distinctive features of Secodontosaurus willistoni was its lower jaw

Height 63 mm

lo que lo convierte en uno de los ceratopsianos más pequeños conocidos

As they evolved over time

Acheroraptor temertyorum Variant:Unprimed One of the most distinctiveAcheroraptor temertyorum was a small dromaeosaurid theropod dinosaur that lived in the late Cretaceous period, approximately 66 million years ago, during the Maastrichtian, just before the CretaceousPaleogene extinction event. Its fossils have been found in the Hell Creek Formation, in what is now the northern United States, a region known for being a diverse ecosystem that also housed the iconic Tyrannosaurus rex and Triceratops. This dinosaur