Timing and patterns of the great Ordovician biodiversification event and Late Ordovician mass extinction: perspectives from South China

Y Deng, J Fan, S Zhang, X Fang, Z Chen, Y Shi… - Earth-Science …, 2021 - Elsevier
The early Paleozoic sediments document two major biological events: the Great Ordovician
Biodiversification Event (GOBE) and Late Ordovician mass extinction (LOME). Many …

End Ordovician extinctions: a coincidence of causes

DAT Harper, EU Hammarlund, CMØ Rasmussen - Gondwana Research, 2014 - Elsevier
Abstract The end Ordovician (Hirnantian) extinction was the first of the five big Phanerozoic
extinction events, and the first that involved metazoan-based communities. It comprised two …

Cascading trend of Early Paleozoic marine radiations paused by Late Ordovician extinctions

CMØ Rasmussen, B Kröger… - Proceedings of the …, 2019 - National Acad Sciences
The greatest relative changes in marine biodiversity accumulation occurred during the Early
Paleozoic. The precision of temporal constraints on these changes is crude, hampering our …

The latest Ordovician Hirnantian brachiopod faunas: new global insights

J Rong, DAT Harper, B Huang, R Li, X Zhang… - Earth-Science …, 2020 - Elsevier
The temporal and spatial distribution of Hirnantian brachiopod faunas are reviewed based
on a new, comprehensive dataset from over 20 palaeoplates and terranes, a revised …

Environmental changes in the Late Ordovician–early Silurian: Review and new insights from black shales and nitrogen isotopes

MJ Melchin, CE Mitchell, C Holmden, P Štorch - Bulletin, 2013 - pubs.geoscienceworld.org
Abstract The Late Ordovician (Katian-Hirnantian) through earliest Silurian (Rhuddanian)
interval was a time of varying climate and sea level, marked by a peak glacial episode in the …

A sulfidic driver for the end-Ordovician mass extinction

EU Hammarlund, TW Dahl, DAT Harper… - Earth and Planetary …, 2012 - Elsevier
The end-Ordovician extinction consisted of two discrete pulses, both linked, in various ways,
to glaciation at the South Pole. The first phase, starting just below the Normalograptus …

Redox changes in the outer Yangtze Sea (South China) through the Hirnantian Glaciation and their implications for the end-Ordovician biocrisis

N Li, C Li, TJ Algeo, M Cheng, C Jin, G Zhu, J Fan… - Earth-Science …, 2021 - Elsevier
Two pulses of faunal mortality occurred during the Late Ordovician mass extinction (ca. 445
Ma). This biocrisis is recorded in Hirnantian strata of South China as a stepwise extinction of …

Climate change and the selective signature of the Late Ordovician mass extinction

S Finnegan, NA Heim, SE Peters… - Proceedings of the …, 2012 - National Acad Sciences
Selectivity patterns provide insights into the causes of ancient extinction events. The Late
Ordovician mass extinction was related to Gondwanan glaciation; however, it is still unclear …

[HTML][HTML] The end-Ordovician mass extinction: a single-pulse event?

G Wang, R Zhan, IG Percival - Earth-Science Reviews, 2019 - Elsevier
The end-Ordovician mass extinction (EOME) is widely interpreted as consisting of two
pulses associated with the onset and demise of the Gondwana glaciation, respectively, with …

Rapid marine oxygen variability: Driver of the Late Ordovician mass extinction

NP Kozik, SA Young, SM Newby, M Liu, D Chen… - Science …, 2022 - science.org
The timing and connections between global cooling, marine redox conditions, and biotic
turnover are underconstrained for the Late Ordovician. The second most severe mass …