The work shows a great loss of diversity during the Ediacaran period, which lasted between 635 and 540 million years – Archeology & Paleontology News
A new study by Virginia Tech geobiologists traces the cause of the first known mass extinction of animals to a decline in global oxygen availability, leading to the loss of most of the animals present toward the end of the Ediacaran period around of 550 million. years ago. Research led by Scott Evans, a postdoctoral …