Dinoflagellate fossils: Geological and biological applications

Type Article
Date 2018-12
Language English
Author(s) Penaud Aurelie1, Hardy William1, Lambert Clement1, Marret Fabienne2, Masure Edwige3, Seryais Thomas4, Siano Raffaele5, Wary Melanie6, 7, Mertens KennethORCID8
Affiliation(s) 1 : Univ Brest, CNRS, IUEM, UMR 6538 Geosci Ocean, F-29280 Plouzane, France.
2 : Univ Liverpool, Sch Environm Sci, Dept Geog & Planning, Liverpool L69 7ZT, Merseyside, England.
3 : Sorbonne Univ, CR2P, UMR 7207, MNHN,CNRS, 4 Pl Jussieu, F-75005 Paris, France.
4 : Univ Lille, CNRS, UMR 8198 Evoecopaleo, F-59000 Lille, France.
5 : Ifremer, DYNECO PELAGOS, Ctr Brest, F-29280 Plouzane, France.
6 : Univ Bordeaux, EPHE, CNRS, UMR 5805 EPOC Environm & Paleoenvironm, F-33615 Pessac, France.
7 : Univ Autonoma Barcelona, Inst Environm Sci & Technol ICTA, Bellaterra 08193, Catalonia, Spain.
8 : Ifremer, LER BO, Stn Biol Marine, Pl Croix,BP 40537, F-29185 Concarneau, France.
Source Revue De Micropaleontologie (0035-1598) (Elsevier France-editions Scientifiques Medicales Elsevier), 2018-12 , Vol. 61 , N. 3-4 , P. 235-254
DOI 10.1016/j.revmic.2018.09.003
WOS© Times Cited 17
Note 60th Anniversary special volume
Keyword(s) Dinoflagellate, Cyst-motile stage relationship, Modern dinocyst distribution, Paleoecology, Biostratigraphy, Ancient DNA

Dinoflagellates are part of the marine plankton and about 200 species produce a cyst (dinocyst) during their life cycle, these organic-walled sexually-produced cysts being fossilizable in sediments for hundreds of millions of years. Over the past 40–50 years, dinocysts have led to major advances on Mesozoic-Cenozoic research, in terms of biostratigraphy and paleogeogeography. Dinocyst taxonomy has then been continuously revised, with the tabulation being the main morphological link between living dinoflagellates and fossilized cysts. Over the Quaternary, and based on the principle of uniformitarianism (i.e. species ecology did not change through time), relationships between modern assemblages and present-day environmental factors controlling their distribution also allow for dinocyst-based quantitative reconstructions derived from transfer function calculations. This paper presents a non-exhaustive review of the dinocyst literature allowing the reader to get a perspective about how they were discovered and defined, but also how they are applied in (paleo)ecological studies according to the timescale considered allowing then to provide useful insights into the future climate change and its associated ecological repercussions.

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