Tag Archive for 'Megaraptoridae'

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia. Image credit: Pedro Salas / Sergey Krasovskiy.

Rise of the King: New Research Unlocks Mystery Origin of Tyrannosaurus rex

May 7, 2025 by News Staff

The genus Tyrannosaurus most likely arose in North America, although its direct ancestors migrated over from Asia more than 70 million years ago, according...

The landscape of Cretaceous Australia. Image credit: Jonathan Metzger / Museums Victoria.

Paleontologists Find World’s Oldest Known Megaraptorid, Australia’s First Carcharodontosaur Fossils

Feb 19, 2025 by Enrico de Lazaro

Paleontologists have unearthed five new theropod fossils from the Cretaceous period, including two carcharodontosaurian specimens, in Victoria, Australia. The...

Kotevski et al. report the first evidence of non-mandibular skull material of a non-avian theropod from Australia: a left frontal and fused parietal fragment from the Lower Cretaceous upper Strzelecki Group of Victoria. Image credit: Kotevski et al., doi: 10.1016/j.cretres.2023.105769.

Paleontologists Find Fossil of Early Megaraptorid Dinosaur in Australia

Nov 10, 2023 by Enrico de Lazaro

Paleontologists have unearthed a well-preserved, almost complete left frontal (part of the skull roof) of a previously unknown species of megaraptorid...

A time averaged artist’s interpretation of Patagonia during the Late Cretaceous epoch, about 66-78 million years ago. The animals pictured include non-avian dinosaurs, birds and other vertebrates that have been discovered in the fossil record of the region. Their specific identifications are as follows: ornithurine birds (flying and walking on the ground), Stegouros (armored dinosaur), Orretherium (mammal), Yaminuechelys (turtle), a megaraptorid (large carnivore), unenlagiines (pair of carnivores), and enantiornithine birds (in foreground). Image credit: Mauricio Alvarez & Gabriel Diaz.

Paleontologists Uncover First Theropod Fossils in Chilean Patagonia

Jan 16, 2023 by Enrico de Lazaro

Paleontologists have described new specimens of theropods — a dinosaur group that includes both modern birds and their closest non-avian dinosaur...

Life reconstruction of Maip macrothorax. Image credit: Agustín Ozán.

New Carnivorous Dinosaur Unearthed in Argentina

May 2, 2022 by Enrico de Lazaro

Paleontologists have described a new species of large-bodied megaraptoran dinosaur from fossilized remains found in Patagonia, Argentina. Life reconstruction...

Tratayenia rosalesi crosses a stream in what is now Patagonia, Argentina roughly 85 million years ago. Image credit: Andrew McAfee, Carnegie Museum of Natural History.

New Carnivorous Dinosaur Unveiled: Tratayenia rosalesi

Apr 16, 2018 by News Staff

A partial skeleton of a megaraptorid dinosaur unearthed over a decade ago in northwestern Patagonia, Argentina, has been recognized as belonging to a new...

Murusraptor barrosaensis: New Dinosaur Species Discovered in Argentina

Jul 22, 2016 by Enrico de Lazaro

A new species of theropod dinosaur has been discovered by a duo of paleontologists – Prof. Philip Currie from the University of Alberta in Canada and...