A trove of fossils uncovered in northwestern Canada suggests that complex animals evolved in North America earlier than previously thought.
The site houses more than 100 fossils, including six taxa never found in North America before, with some dating back 567 million years. The findings push back the origins of animals that can move themselves in search of food by several million years, according to a study published May 20 in the journal Science Advances.
此内容由惯性聚合(RSS阅读器)自动聚合整理，仅供阅读参考。 原文来自 — 版权归原作者所有。