The Sinomegaceros pachyosteus became extinct during the late Pleistocene

Approximate measurements of the Styracosaurus: Scale 1:35

" characterized by their large size

que representan una etapa temprana en la evolución de las ballenas

Australovenator wintonensis Ceratodus The Sinomegaceros pachyosteus became extinctAustralovenator wintonensis is a theropod dinosaur that belongs to the allosaur group and lived during the Early Cretaceous period, approximately 110 to 105 million years ago. It was discovered in the Winton Formation in Queensland, Australia. This bipedal carnivore is known to be one of the largest theropods found in Australia and is of interest among paleontologists due to its role in understanding the Cretaceous dinosaur fauna of the Australian