Sentences with phrase «fossil coccolithophores»

Dr Samantha Gibbs, from Ocean and Earth Science at the University of Southampton, who was Dr O'Dea's PhD supervisor and co-author of the study, says: «A key objective was to record calcification in fossil coccolithophores in a way that enabled direct comparison with measurements from living specimens.

Our novel technique involved analysing coccolithophore skeletal remains and applying observations from modern specimens to estimate, for the first time, calcification rates of fossil coccolithophores.»

Not exact matches

The research, published in Nature Communications, examined preserved fossil remains of coccolithophores from a period of climate warming and ocean acidification that occurred around 56 million years ago — the Paleocene Eocene Thermal Maximum (PETM)-- and provides a much - needed long - term perspective of coccolithophore response to ocean acidification.

Ammonites, which were free - swimming molluscs of the ancient oceans and are common fossils, went extinct at the time of the end - Cretaceous asteroid impact, as did more than 90 per cent of species of calcium carbonate - shelled plankton (coccolithophores and foraminifera).

[44] Finally, field evidence of coccolithophore fossils in rock were used to show that the deep - sea fossil record bears a rock record bias similar to the one that is widely accepted to affect the land - based fossil record.