Huge predatory dinosaurs were everywhere during the Late Cretaceous. And now, it is Brazil’s turn to reveal its monster. Called Pycnonemosaurus, this forgotten predator was the largest of the abelisaurs, a family of decidedly strange and poorly known predators.
A strange reptile called Triopticus primus increases the known diversity of reptiles from the dawn of the Age of Dinosaurs and helps scientists understand the repeated evolution of body types across the Mesozoic.
Australia’s superb lyrebird is aptly named. Originally valued only for its long, lyre-like tail feathers, the lyrebird has surprised and delighted modern listeners with its unique ability to parrot just about any sound it hears.
Two species of early mammals show transitional features of the teeth and jaw bones that came to define living mammals. Both fossils help further our understanding of members of the mammalian lineage in the Late Triassic.