Dinosaurs debuted on Earth’s stage in the aftermath of the Permian-Triassic mass extinction event, and survived two other Triassic extinction intervals...
A new genus and species of rebbachisaurid-mimicking titanosaurian sauropod that stretched over 15 m (50 feet) has been unearthed in Patagonia, Argentina.
Life...
In 2013, the oncilla (Leopardus tigrinus), a species of small spotted cat from the Americas, was split into two species: the northern tiger cat (Leopardus...
A duo of paleontologists in Argentina has identified a new genus and species of gigantic titanosaur from several fossilized specimens found in the Patagonian...
Paleontologists in Argentina have found fossil fragments from a new genus and species of rebbachisaurid sauropod dinosaur that walked the Earth more than...
For the first time, footprints made by an extinct terror bird (family Phorusrhacidae) have been identified by paleontologists.
Holotype trackway of Rionegrina...
Patagorhynchus pascuali represents the first Cretaceous toothed monotreme from the supercontinent Gondwana.
Life reconstruction of Patagorhynchus pascuali....
A new genus and species of giant colossosaurian titanosaur has been identified from fossils found in Patagonia, Argentina.
An artist’s reconstruction...
A new genus and species of enantiornithine bird has been described from a partial right humerus found in southern Patagonia, Argentina.
An artist’s impression...
A new genus and species of nodosaurid ankylosaur has been identified from fossils found in Patagonia, Argentina.
Life reconstruction of Patagopelta cristata....
A new genus and species of abelisaurid theropod dinosaur has been described from the fossils found in Patagonia, Argentina.
An artist’s reconstruction...
A new genus and species of pachycormiform fish that lived 150 million years ago has been identified from fossils found in the Neuquén Basin of Argentina.
Life...
Paleontologists in Argentina have unveiled a new genus and species of armored thyreophoran dinosaur from the Cretaceous period.
Life reconstruction of...
Meraxes gigas, a huge meat-eating dinosaur that lived in Argentina some 94 million years ago, had short arms like Tyrannosaurus rex.
Meraxes gigas. Image...
Thanatosdrakon amaru had a wingspan of nearly 9 m (29.5 feet) and lived in what is now Argentina during the Cretaceous period.
Life reconstruction of Thanatosdrakon...
Paleontologists have described a new species of large-bodied megaraptoran dinosaur from fossilized remains found in Patagonia, Argentina.
Life reconstruction...
A new genus and species of abelisaurid theropod has been identified from a partially complete skull found in northwestern Argentina.
An artist’s reconstruction...