Paleobiological perspectives on early eukaryotic evolution

AH Knoll - Cold Spring Harbor Perspectives in Biology, 2014 - cshperspectives.cshlp.org
Eukaryotic organisms radiated in Proterozoic oceans with oxygenated surface waters, but,
commonly, anoxia at depth. Exceptionally preserved fossils of red algae favor crown group …

A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts

M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

The rise of algae in Cryogenian oceans and the emergence of animals

JJ Brocks, AJM Jarrett, E Sirantoine, C Hallmann… - Nature, 2017 - nature.com
The transition from dominant bacterial to eukaryotic marine primary productivity was one of
the most profound ecological revolutions in the Earth's history, reorganizing the distribution …

Rates of seafloor and continental weathering govern Phanerozoic marine phosphate levels

S Sharoni, I Halevy - Nature geoscience, 2023 - nature.com
Phosphate is an essential macronutrient for all organisms with a key role in setting levels of
marine primary productivity. Despite its importance for marine biogeochemical cycles and its …

Paleogeography and paleoenvironments of the Late Devonian Kellwasser event: A review of its sedimentological and geochemical expression

SK Carmichael, JA Waters, P Königshof… - Global and Planetary …, 2019 - Elsevier
Abstract The Late Devonian (383-359 Ma) was a time of prolonged climate instability with
catastrophic perturbation of global marine ecosystems at the Frasnian-Famennian (FF) and …

Phanerozoic large igneous provinces (LIPs), HEATT (haline euxinic acidic thermal transgression) episodes, and mass extinctions

DL Kidder, TR Worsley - Palaeogeography, Palaeoclimatology …, 2010 - Elsevier
The Phanerozoic consists of three mutually exclusive climate states: Icehouse, Greenhouse,
and Hothouse. The Greenhouse is the default state, representing> 70% of the Phanerozoic …

Sterols in red and green algae: quantification, phylogeny, and relevance for the interpretation of geologic steranes

RB Kodner, A Pearson, RE Summons, AH Knoll - Geobiology, 2008 - Wiley Online Library
Steroids, a class of triterpenoid lipids with high preservation potential, are widely distributed
in sedimentary rocks. All eukaryotes have a physiological requirement for these molecules …

Gradual and sustained carbon dioxide release during Aptian Oceanic Anoxic Event 1a

BDA Naafs, JM Castro, GA De Gea, ML Quijano… - Nature …, 2016 - nature.com
Abstract During the Aptian Oceanic Anoxic Event 1a, about 120 million years ago, black
shales were deposited in all the main ocean basins. The event was also associated with …

Coupling of paleoenvironment and biogeochemistry of deep-time alkaline lakes: A lipid biomarker perspective

L **a, J Cao, W Hu, D Zhi, Y Tang, E Li, W He - Earth-Science Reviews, 2021 - Elsevier
Studies of alkaline lakes have critical biological–environmental–economic properties, but
deep-time alkaline lakes are challenging to investigate. Lipid biomarkers can provide …

Co-evolution of paleo-environment and bio-precursors in a Permian alkaline lake, Mahu mega-oil province, Junggar Basin: Implications for oil sources

L **a, J Cao, L Bian, W Hu, T Wang, D Zhi… - Science China Earth …, 2022 - Springer
The co-evolution of paleo-environment and bio-precursors in alkaline lakes is of significance
to understand the extreme environment system and associated enigmatic hydrocarbon …