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Open AccessJournal ArticleDOI

The Furongian (late Cambrian) Biodiversity Gap: Real or apparent?

TLDR
The Furongian gap as mentioned in this paper is defined as the gap between the Cambrian Explosion and the Great Ordovician Biodiversification Event, exemplified by a marked drop in biodiversity.
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This article is published in Palaeoworld.The article was published on 2019-03-01 and is currently open access. It has received 35 citations till now. The article focuses on the topics: Ordovician & Paleozoic.

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Early Palaeozoic diversifications and extinctions in the marine biosphere: a continuum of change

TL;DR: A review of biodiversity curves of marine organisms indicates that, despite fluctuations in amplitude (some large), a large-scale, long-term radiation of life took place during the early Palaeozoic Era; it was aggregated by a succession of more discrete and regionalized radiations across geographies and within phylogenies.
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Revisiting the Great Ordovician Diversification of land plants: Recent data and perspectives

TL;DR: In this paper, molecular clock data suggest with high probability a Cambrian origin of Embryophyta (also called land plants), indicating that their terrestrialization most probably started about 500 Ma.

Principles Of Paleontology

TL;DR: The principles of paleontology is available in our book collection and an online access to it is set as public so you can get it instantly as discussed by the authors, which is the only way to download any of our books like this one.
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The Great Ordovician Biodiversification Event (GOBE) is Not a Single Event

TL;DR: In this paper, a critical analysis of published biodiversity curves and of their own data confirm the traditional view; the Ordovician radiation is a complex, long-term process of multiple biodiversifications of marine organisms.
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A meta-analysis of the Steptoean Positive Carbon Isotope Excursion: The SPICEraq database

TL;DR: The Steptoean Positive Isotopic Carbon Excursion (SPICE) is a prominent chemostratigraphic feature in the Lower Paleozoic. as discussed by the authors quantitatively evaluate the variability in SPICE records, and document that while the excursion is a global signature, its stratigraphic expression is influenced by such conditions as paleolatitude, paleocontinent, water depth, and facies.
References
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Pulse of atmospheric oxygen during the late Cambrian

TL;DR: A carbon and sulfur isotope mass balance model for the latest Cambrian time interval spanning the globally recognized Steptoean Positive Carbon Isotope Excursion (SPICE) indicates a major increase in atmospheric O2, followed by an increase in plankton diversity that may relate to changes in macro- and micronutrient abundances in increasingly oxic marine environments.
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The Late Cambrian Spice (δ13C) Event and the Sauk II-SAUK III Regression: New Evidence from Laurentian Basins in Utah, Iowa, and Newfoundland

TL;DR: Carbon isotope data from Upper Cambrian sections in three Laurentian basins in northern Utah, central Iowa, and western Newfoundland record a large positive d 13 C excursion (SPICE event) of up to 1 5
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Uranium isotopes distinguish two geochemically distinct stages during the later Cambrian SPICE event.

TL;DR: High-precision uranium isotopic data in marine carbonates deposited during the Late Cambrian 'SPICE' event is reported, documenting a well-defined -0.18‰ negative δ238U excursion that occurs at the onset of the SPICE event's positive δ13C and δ34S excursions, but peaks (and tails off) before them.
Journal Article

The biomere problem; evolution of an idea

TL;DR: The Cambrian biomeres are evolutionary packages of continental or larger scale that include several biozones and that are bounded by sharply defined extinction events as discussed by the authors, and they are best developed in the Cambrian rocks of North America.
Related Papers (5)

Phanerozoic trends in the global diversity of marine invertebrates.

Frequently Asked Questions (2)
Q1. What are the contributions in this paper?

Indications suggest that there has been little attention paid to this interval compared with those below and above, while some of the classical areas for Cambrian research, such as Bohemia, have poor coverage through the Furongian. Moreover, based on information available in databases and the literature, together with the ghost ranges of many higher taxa through the Furongian, data suggest that biodiversity in this stage has been significantly underestimated. 

The latter presenting the intriguing possibility that the diversification of marine ecosystems was on a single trajectory that peaked in the Devonian.