Calibrating the temporal and spatial dynamics of the Ediacaran-Cambrian radiation of animals

FT Bowyer, AY Zhuravlev, R Wood, GA Shields… - Earth-Science …, 2022 - Elsevier
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 …

[HTML][HTML] Locating the BACE of the Cambrian: Bayan Gol in southwestern Mongolia and global correlation of the Ediacaran–Cambrian boundary

T Topper, MJ Betts, D Dorjnamjaa, G Li, L Li… - Earth-Science …, 2022 - Elsevier
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 …

Early Cambrian chronostratigraphy and geochronology of South Australia

MJ Betts, JR Paterson, SM Jacquet, AS Andrew… - Earth-Science …, 2018 - Elsevier
The most successful chronostratigraphic correlation methods enlist multiple proxies such as
biostratigraphy and chemostratigraphy to constrain the timing of globally important bio-and …

Challenges in defining the base of Cambrian Series 2 and Stage 3

X Zhang, P Ahlberg, LE Babcock, DK Choi… - Earth-Science …, 2017 - Elsevier
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 …

Reassessing a cryptic history of early trilobite evolution

JD Holmes, GE Budd - Communications Biology, 2022 - nature.com
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 …

Revisiting the molluscan fauna from the Cambrian (Series 2, stages 3–4) Xinji Formation of North China

L Li, X Zhang, CB Skovsted, H Yun… - Papers in …, 2021 - Wiley Online Library
A diverse group of molluscs from the Cambrian Series 2, Stages 3–4 Xinji Formation of the
North China Block (NCB) is described, based on more than 4500 specimens from three well …

First multi-proxy chronostratigraphy of the lower Cambrian Byrd Group, Transantarctic Mountains and correlation within East Gondwana

MJ Betts, TM Claybourn, LE Holmer, CB Skovsted… - Gondwana …, 2024 - Elsevier
Antarctica and Australia were sutured together at the equator during the major pulse of
animal biodiversification associated with the Cambrian radiation. However, the lack of …

Vertically migrating Isoxys and the early Cambrian biological pump

S Pates, AC Daley, DA Legg… - Proceedings of the …, 2021 - royalsocietypublishing.org
The biological pump is crucial for transporting nutrients fixed by surface-dwelling primary
producers to demersal animal communities. Indeed, the establishment of an efficient …

The Psammichnites-Taphrhelminthopsis conundrum: Implications for calibrating the Cambrian explosion

MG Mángano, LA Buatois, RB MacNaughton… - Earth-Science …, 2022 - Elsevier
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 Cambrian System in the Arrowie Basin, Flinders Ranges, South Australia

JB Jago, JG Gehling, MJ Betts, GA Brock… - Australian Journal of …, 2020 - Taylor & Francis
The lower to? middle Cambrian rocks (Terreneuvian, Series 2 and possibly Miaolingian) of
the Arrowie Basin are exposed superbly in the Flinders Ranges of South Australia. They …