June 18, 2026
It has lived through rising carbon dioxide levels and high global temperatures
Scientists say it hunted fish, with sail back, crest, and crocodile-like snout in Africa
The researchers examined fossil specimens of Nanotyrannus unearthed in 1942, 2001 and 2006 in Montana dating to about 67 million years ago
The remains were discovered in July in Peru's Ocucaje Desert, an area south of capital Lima that was once part of the Pacific Ocean
Very little is known about pachycephalosaurs, a group that inhabited Asia and North America during the final period of the age of dinosaurs
The new dental fossils provide insight into a poorly understood period in human evolution
Different types of crocs have inhabited Earth dating back to the Triassic Period more than 200 million years ago
The species, called Vulcanidris cratensis, is part of a lineage called hell ants - named for their demonic-looking jaws
