The new study also investigated how early life forms of invertebrates, influenced geochemical cycles during the early ...

3 min read The Cambrian period, part of the Paleozoic era ... marine habitats ideal for spawning new life-forms. Nevertheless, the scale of the Cambrian Explosion is likely exaggerated due ...

Case's volume may be described as an attempt both to provide an up-to-date corpus of material, often presented in the form of lengthy ... of Vertebrate Life in the Late Paleozoic in North America ...

The more pyrite that forms and becomes buried under the mud ... flat for millions of years and then rose during the Paleozoic era, with a steep rise occurring during the Ordovician period.

The great supercontinent of Gondwana was headed steadily northward, away from the South Pole, and a second supercontinent began to form that ... part of the Paleozoic era, is otherwise known ...