A remarkable new species of theropod dinosaur has been unearthed in an underground mine in north-central New South Wales, Australia. Illustration of the Lightning Claw. Image credit: Julius Csotonyi. Nicknamed Lightning Claw, the new dinosaur lived roughly 110 million years ago during the Early Cretaceous period. It belongs to a group of large carnivorous theropod dinosaurs called Megaraptora (megaraptorid theropods). The species grew up to 20 feet...