Anthropologists help solve mystery of 250 million-year-old strange bedfellows
Wednesday, July 17, 2013 - 04:30
in Paleontology & Archaeology
(Phys.org) —They were strange bedfellows in a 250 million-year-old burrow: the sleeping, cat-size mammal forerunner Thrinaxodon liorhinus and the slightly smaller amphibian Broomistega putterilli that crawled in after, suffering from labored breathing caused by fractures on seven ribs.