These new species appear to have primarily lived in southern latitudes unlike the T-rex, but ate mostly meat like its cousins. The findings were described in a study published August 23 in the ...

A partially complete skull uncovered in Argentina provides new evidence of a unique ecosystem during the Late Cretaceous.. Guemesia ochoai was a species of abelisaurid, a clade of carnivores which ...

Fossils of primitive cousins of T. rex that had short, bulldog snouts and even shorter arms have been discovered by scientists in Morocco. The two new dinosaur species belong to the Abelisauridae ...

Fossils of primitive cousins of T. rex that had short, bulldog snouts and even shorter arms have been discovered by scientists in Morocco. The two new dinosaur species belong to the Abelisauridae ...

One species among the turtles is Yaminuechelys, a giant turtle with a shell stretching up to 80 centimeters (about 2.5 feet) ...

An armless dinosaur may not sound too scary, but a new species that roamed Argentina 70 million years ago was likely a skilled predator – despite having front limbs even shorter than T.Rex.

This particular abelisaur, dubbed Llukalkan aliocranianus, is a newly identified species. The research describing the new theropod fossil is published today in the Journal of Vertebrate Paleontology.

The abelisaur's fossilised femur bone was discovered by Alessandro Chiarenza, a PhD student from Imperial College London, ... What species would become dominant on Earth if humans died out?