Abstract The Ediacaran-Cambrian transition, which incorporates the radiation of animals,
lacks a robust global temporal and spatial framework, resulting in major uncertainty in the …

The diversification of animals during the Cambrian Period is one of the most significant
evolutionary events in Earth's history. However, the sequence of events leading to the origin …

The most successful chronostratigraphic correlation methods enlist multiple proxies such as
biostratigraphy and chemostratigraphy to constrain the timing of globally important bio-and …

Formal subdivision of the Cambrian System into four series and ten stages is in progress.
The base of Cambrian Stage 3 (provisional), which is conterminous with the base of …

Trilobites are an iconic Paleozoic group of biomineralizing marine euarthropods that appear
abruptly in the fossil record (c. 521 million years ago) during the Cambrian 'explosion'. This …

Taphrhelminthopsis was originally introduced for trace fossils with a bilobate lower surface
recorded in post-Paleozoic deep-marine deposits but has more recently been reinterpreted …

The biological pump is crucial for transporting nutrients fixed by surface-dwelling primary
producers to demersal animal communities. Indeed, the establishment of an efficient …