Pre-reptile may be earliest known to walk upright on all fours
Thursday, September 17, 2015 - 10:30
in Paleontology & Archaeology
Wandering an arid region of the ancient supercontinent of Pangea about 260-million years ago, the pre-reptile Bunostegos akokanensis is the oldest known creature to have walked upright on all fours, according to a newly published study.