A recently published study—co-authored by Grand Canyon National Park Paleontologist Anne Miller—offers important new insights ...

The Cambrian explosion was an extraordinary phenomenon in the evolution of life on the planet that led to the emergence of many animal phyla and the diversification of species. During this period, ...

Thanks to being rapidly entombed in volcanic ash – in a “Pompeii-like” process – Cambrian-age trilobites’ anatomy is more discernable than ever, via exquisitely preserved fossils. The fossils ...

Abstract Isotopic ages for the Middle Cambrian–Late Cambrian are few because formations of the appropriate age combining diagnostic fossils and rocks datable by precise isotopic techniques are not ...

Anderson and Misra 1 have described new fossils from the Pre-Cambrian of Newfoundland and ascribe them to impressions of soft-bodied Metazoa, but they do not discuss why they consider the structures ...