Pterosaurs reached only modest sizes in the Triassic and Jurassic periods. By contrast, the Cretaceous period saw a trend toward large to giant size (2...
The new fossil from the Cretaceous of Myanmar preserves large compound eyes, delicate mouthparts, and even gills.
Cretapsara athanata, a modern-looking...
A new genus and species of chasmosaurine ceratopsid dinosaur has been identified from skeletal fragments found in the Late Cretaceous rocks of the Hall...
Enormous ammonites up to 1.8 m (6 feet) across lived on both sides of the Atlantic, in the United Kingdom and Mexico, some 83 million years ago (Cretaceous...
Two new Early Cretaceous specimens from the Wessex Formation of the Isle of Wight, UK, represent distinct and novel genera and species of spinosaurids:...
Paleontologists have analyzed cartilage material from Caudipteryx, an oviraptorosaurid dinosaur that lived in what in now China some 125 million years...
Paleontologists in China have identified a new species of pengornithid enantiornithine bird with a pair of elaborate tail feathers.
An illustration showing...
Paleontologists have described in detail for the first time the scaly skin of Carnotaurus sastrei, an abelisaurid theropod that lived in South America...
A new genus and species of carcharodontosaurian theropod dinosaur has been identified from a fossillized jawbone found in the Republic of Uzbekistan.
Life...
Paleontologists in Brazil have found fossil fragments from a new species of abelisaurid theropod dinosaur that walked the Earth during the Cretaceous period.
Life...
A new species of the mosasaur genus Ectenosaurus has been identified from the fossilized remains found in western Kansas, the United States.
A life reconstruction...
Chase Doran Brownstein from the Department of Ecology and Evolutionary Biology at Yale University and the Stamford Museum and Nature Center has described...
A nearly complete skeleton of a tapejarid pterosaur that lived during the Cretaceous period was intercepted during a police raid at Santos Harbour in the...
The new specimen from the Upper Cretaceous Xiaguan Formation in the Chinese province of Henan is one of the few known fossilized turtle eggs containing...
Paleontologists have identified two new species of giant herbivorous dinosaurs from fossils found in the Turpan-Hami Basin, Xinjiang, northwestern China.
Life...
Paleontologists have examined tooth morphologies in multiple lineages of sharks that lived during the 27.6-million-year interval around the end-Cretaceous...
Paleontologists in Brazil have unveiled a new species of unenlagiine dromaeosaurid dinosaur from the Maastrichtian age of the Cretaceous period.
An artist’s...
Paleontologists in Australia say they have discovered the fossilized skeletal remains of a new species of flying reptile that lived between 113 and 100...
A team of paleontologists has digitally reconstructed the facial skeleton and brain endocast of Ichthyornis dispar, a toothed stem bird that lived in North...