The Cambrian revolutions: trace-fossil record, timing, links and geobiological impact

MG Mángano, LA Buatois - Earth-Science Reviews, 2017 - Elsevier
Several concepts pertaining to the dramatic changes that occurred during the Cambrian
have been proposed, namely the Agronomic Revolution (AR), the Cambrian Substrate …

The Weng'an biota and the Ediacaran radiation of multicellular eukaryotes

S Xiao, AD Muscente, L Chen, C Zhou… - National Science …, 2014 - academic.oup.com
The rise of multicellularity represents a major evolutionary transition and it occurred
independently in multiple eukaryote clades. Although simple multicellular organisms may …

Towards an Ediacaran time scale: problems, protocols, and prospects

S Xiao, GM Narbonne, C Zhou, M Laflamme… - Episodes Journal of …, 2016 - episodes.org
Abstract The Ediacaran Period follows the Cryogenian Period in the wake of a snowball
Earth glaciation and precedes the Cambrian Period with its rising tide of animal radiation. It …

Biomineralization by particle attachment in early animals

PUPA Gilbert, SM Porter, CY Sun… - Proceedings of the …, 2019 - National Acad Sciences
Crystallization by particle attachment (CPA) of amorphous precursors has been
demonstrated in modern biomineralized skeletons across a broad phylogenetic range of …

[PDF][PDF] The latest Ediacaran wormworld fauna: setting the ecological stage for the Cambrian explosion

JD Schiffbauer, JW Huntley, GR O'Neil, SAF Darroch… - GSA Today, 2016 - academia.edu
As signposted by the fossil record, the early Cambrian period chronicles the appearance
and evolutionary diversification of most animal phyla in a geologically rapid event …

Transitional Ediacaran–Cambrian small skeletal fossil assemblages from South China and Kazakhstan: implications for chronostratigraphy and metazoan evolution

B Yang, M Steiner, M Zhu, G Li, J Liu, P Liu - Precambrian Research, 2016 - Elsevier
Abstract The Ediacaran–Cambrian transition records distinct evolutionary changes of
metazoans. The Ediacaran fossils (ie, Ediacara-type biota and tubular fossils) are …

Reappraising the early evidence of durophagy and drilling predation in the fossil record: implications for escalation and the C ambrian E xplosion

RDC Bicknell, JR Paterson - Biological Reviews, 2018 - Wiley Online Library
ABSTRACT The Cambrian Explosion is arguably the most extreme example of a biological
radiation preserved in the fossil record, and studies of Cambrian Lagerstätten have …

Environmental context for the terminal Ediacaran biomineralization of animals

H Cui, AJ Kaufman, S Xiao, S Peek, H Cao, X Min… - …, 2016 - Wiley Online Library
In terminal Ediacaran strata of South China, the onset of calcareous biomineralization is
preserved in the paleontological transition from Conotubus to Cloudina in repetitious …

Discovery of bilaterian-type through-guts in cloudinomorphs from the terminal Ediacaran Period

JD Schiffbauer, T Selly, SM Jacquet, RA Merz… - Nature …, 2020 - nature.com
The fossil record of the terminal Ediacaran Period is typified by the iconic index fossil
Cloudina and its relatives. These tube-dwellers are presumed to be primitive metazoans, but …

Ultrastructure of Ediacaran cloudinids suggests diverse taphonomic histories and affinities with non-biomineralized annelids

B Yang, M Steiner, JD Schiffbauer, T Selly, X Wu… - Scientific Reports, 2020 - nature.com
Cloudinids have long been considered the earliest biomineralizing metazoans, but their
affinities have remained contentious and undetermined. Based on well-preserved …