In March 2022, College of Charleston’s Professor Scott Persons and colleagues suggested that Tyrannosaurus rex should be reclassified as three species:...
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...
In egg-laying amniotes (reptiles, birds and monotremes), the developing embryo is tethered to a number of the extraembryonic membranes that deliver oxygen...
Paleontologists have unearthed a well-preserved cervical vertebra of a medium-sized abelisaurid ceratosaur in the Bahariya Oasis of the Western Desert...
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...
A new genus and species of therizinosaurid dinosaur that lived during the Cretaceous period has been identified from the fossilized remains unearthed on...
The squamates (lizards, snakes, and relatives) today comprise more than 10,000 species, and yet their sister group, the Rhynchocephalia, is represented...
Paleontologists have described a new species of large-bodied megaraptoran dinosaur from fossilized remains found in Patagonia, Argentina.
Life reconstruction...
Paleontologists have examined the fossilized headcrest of Tupandactylus imperator, a species of tapejarid pterosaur that lived in north-eastern Brazil...
The top predator of the Jurassic and Cretaceous landscapes was usually a species of carnivorous dinosaur. These predators walked on two legs, had powerful...
New research confirms the existence of intraspecific fighting in Triceratops horridus, a species of horned dinosaur that lived in North America some 69...
By analyzing the density of bones of several spinosaurid dinosaurs and comparing them to other animals like penguins, hippos, and alligators, Field Museum...
Paleontologists have identified a new species of softshell turtle from a partial carapace found in North Dakota, the United States.
Hutchemys walkerorum....
An analysis of over three dozen specimens of Tyrannosaurus rex finds that they exhibit such a remarkable degree of proportional variations that the pattern...
A new genus and species of dinosaur being named Iberospinus natarioi has been discovered by Dr. Octávio Mateus and Dr. Darío Estraviz-López from Portugal’s...
An international team of paleontologists from Australia, Canada and Italy has documented more than 100 footprints of hadrosaurid and tyrannosaurid dinosaurs...
Paleontologists have unearthed the fossilized skeletal remains of Confractosuchus sauroktonos, a previously unknown genus and species of crocodyliform,...
