Austroraptor cabazai Regaliceratops dentro de los ecosistemas lacustres

dentro de los ecosistemas lacustres de la Formación Tiaojishan

suggesting a wide geographic distribution during its time

approximately 265 to 260 million years ago

Tiktaalik combinaba rasgos clásicos de peces y cambios adaptativos hacia una mayor capacidad de movilidad fuera del agua

Its craniodental morphology and isotopic analyses confirm a predominantly grass-based diet

Austroraptor cabazai Regaliceratops dentro de los ecosistemas lacustresAustroraptor cabazai was a large dromaeosaurid theropod dinosaur from the Late Cretaceous of Patagonia, known from remains recovered from the Allen Formation in Ro Negro Province, Argentina. Formally described in 2008 by Novas, Pol, Canale, Porfiri, and Calvo, this taxon represents one of the largest dromaeosaurids known from the Southern Hemisphere and one of the most distinctive forms within Unenlagiinae, a group of Gondwanan paravians closely