Fossils Toss Mammalian Household Tree into Disarray

On August 10, 2013, Posted by , In BIO, tagged in ,,,,,, , With Comments Off on Fossils Toss Mammalian Household Tree into Disarray

A fossil of the forest-ground-dwelling animal Megaconus implies that its team predated mammals — whereas a fossil of its tree-dwelling cousin Arboroharamiya seems to show that the team belonged in the mammalian household tree. Graphic: April Isch, College of Chicago/Zhe-Xi Luo et al. Two fossils have got paleontologists scratching their…