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Early sponges and toxic protists: Possible sources of cryostane, an age diagnostic biomarker antedating Sturtian Snowball Earth

Brocks, Jochen; Jarrett, Amber; Sirantoine, Eva; Kenig, F.; Moczydlowska, M.; Porter, S.; Hope, Janet


The period 800-717 million years (Ma) ago, in the lead-up to the Sturtian Snowball glaciation, saw an increase in the diversity of eukaryotic microfossils. To afford an independent and complementary view of this evolutionary period, this study presents the distribution of eukaryotic biomarkers from three pre-Sturtian successions across the supercontinent Rodinia: the ca. 780 Ma Kanpa Formation of the Western Australian Officer Basin, the ca. 800-740 Ma Visingsö Group of Sweden, and the 740 Ma...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Geobiology
DOI: 10.1111/gbi.12165


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