Your oldest ancestor was a sack-like creature with only one orifice

Jan 31, 2017

Your oldest ancestor was a sack-like creature with only one orifice

Humans’ earliest known relative was likely an egg-shaped creature that ate and expelled from the same gaping orifice some 540 million years ago, scientists reported Monday. Startlingly well-preserved fossils of the tiny beast, dubbed Saccorhytus, were discovered in central China’s Shaanxi province, they reported ...

Smart mouth: Chinese fish fossil sheds light on jaw evolution

Oct 21, 2016

Smart mouth: Chinese fish fossil sheds light on jaw evolution

A bottom-dwelling, mud-grubbing, armored fish that swam in tropical seas 423 million years ago is fundamentally changing the understanding of the evolution of an indisputably indispensable anatomical feature: the jaw. Scientists said on Thursday they unearthed in China’s Yunnan province fossils of a primordial ...