Pre-reptile may be earliest known to walk upright on all fours
Thursday, September 17, 2015 - 09:00
in Paleontology & Archaeology
A newly published analysis of the bones of Bunostegos akokanensis, a 260-million-year-old pre-reptile, finds that it likely stood upright on all-fours, like a cow or a hippo, making it the earliest known creature to do so.