Paleontologists have analyzed an exceptional fossil assemblage from the Laguna Colorada Formation in Patagonia, Argentina, that includes 193-million-year-old...
Paleontologists have described in detail for the first time the scaly skin of Carnotaurus sastrei, an abelisaurid theropod that lived in South America...
Paleontologists have unearthed the fossilized remains of large teratornithid birds at four localities in central Argentina.
Teratornis sitting on the extinct...
A three-dimensionally preserved skull of a previously unknown Triassic-period reptile from Argentina illuminates the origin of lepidosauromorphs (lizards,...
Paleontologists in Argentina have found a fossilized jaw of the extinct bat species Desmodus draculae inside an ancient burrow of a giant sloth.
Desmodus...
The Cretaceous-period hadrosaurid dinosaur Bonapartesaurus rionegrensis had a foot tumor and two painful fractures in the vertebrae of its tail, according...
A new genus and species of furileusaurian (stiff-backed lizard) abelisaurid dinosaur being named Llukalkan aliocranianus has been discovered by a team...
Ninjatitan zapatai lived approximately 140 million years ago (Early Cretaceous epoch) in what is now Patagonia, Argentina.
Ninjatitan zapatai. Image credit:...
Paleontologists in Argentina have discovered what they say is one of the oldest-known fossils of the ground sloth Megatherium.
Life reconstruction of Megatherium....
Before the availability of artificial light, moonlight was the only source of light sufficient to stimulate nighttime activity; still, evidence for the...
Dr. Laura Chornogubsky, a paleontologist in the Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia’ and CONICET, has described one new genus...
Pterosaurs were highly successful reptiles that lived between 210 and 65 million years ago. They were the first vertebrates to evolve powered flight, but...
Paleontologists in Argentina have identified a new species of eusauropod (true sauropod) dinosaur that lived 179 million years ago, just after the mysterious...
A new genus and species of medium-sized abelisaurid dinosaur has been unearthed in northern Patagonia, Argentina.
An artist’s impression of Rajasaurus...
Paleontologists recently found well-preserved dinosaur eggs in an enormous nesting ground of titanosaurian sauropod dinosaurs that lived about 80 million...
A new genus and species of paravian theropod dinosaur has been identified from fossils found in Patagonia, Argentina.
Life reconstruction of an adult and...
A new genus and species of medium-sized abelisaurid dinosaur being named Tralkasaurus cuyi has been discovered by Dr. Mauricio Cerroni from the Argentine...
A team of scientists from the Wildlife Conservation Society (WSC), the CADIC-CONICET and Argentina’s National Parks Administration has discovered a new...
An analysis of the first three-dimensionally preserved skulls and skeletons of the extinct legged snake Najash rionegrina shows that nearly 100 million...
A new species of cynodont has been identified from a fossilized skull found in the San Juan province, Argentina.
An artist’s impression of Pseudotherium...
