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	Provedor de dados ArchiMer (2) Autor De Vargas, Colomban (1) Head, Martin J. (1) Limoges, Audrey (1) Mertens, Kenneth (1) Pospelova, Vera (1) Rochon, André (1) Shaked, Yonathan (1) Van Nieuwenhove, Nicolas (1) Mais... Palavra-chave Suessiales (2) Dinoflagellate (1) Dinoflagellate cysts (1) Gonyaulacales (1) Marine sediment (1) Open ocean (1) Planktonic foraminifer (1) Quaternary (1) Symbiosis (1) Mais... Tipo do documento Text (2) Ano 2020 (1) 2006 (1) País France (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última A review of rare and less well known extant marine organic-walled dinoflagellate cyst taxa of the orders Gonyaulacales and Suessiales from the Northern Hemisphere ArchiMer Limoges, Audrey; Van Nieuwenhove, Nicolas; Head, Martin J.; Mertens, Kenneth; Pospelova, Vera; Rochon, André. Dinoflagellate resting cysts with rare exception produce the only discrete link between the biology of extant dinoflagellate species and their fossil record. The geological preservability of such cysts allows them to be used for quantitative paleoecological reconstructions, especially in the Quaternary, and for biostratigraphy and the calibration of molecular clocks with the geological record. This contribution reviews and updates the taxonomy of 27 uncommon dinoflagellate cyst species and morphotypes belonging to the orders Gonyaulacales and Suessiales with occurrences in upper Quaternary marine sediments of the Northern Hemisphere. Comparative descriptions and illustrations are provided along with the biological affinity of each taxon where known and... Tipo: Text Palavras-chave: Dinoflagellate cysts; Gonyaulacales; Suessiales; Marine sediment; Quaternary. Ano: 2020 URL: https://archimer.ifremer.fr/doc/00593/70487/68626.pdf Pelagic photosymbiosis: rDNA assessment of diversity and evolution of dinoilagellate symbionts and planktonic foraminiferal hosts ArchiMer Shaked, Yonathan; De Vargas, Colomban. We present large subunit (LSU) and internal transcribed spacer (ITS) rDNA based phylogenies of symbiotic dinoflagellates retrieved from single-cell planktonic foraminifera collected around the world. All modern foraminiferal species involved in such symbiosis are included in our analyses. The pelagic symbiotic dinoflagellates form a monophyletic group sister to the Symbiodinium species complex found in coastal-benthic environments. The pelagic symbionts are descendants of free-living species and, together with the coastal-benthic Symbiodinium spp., they originated from the early Mesozoic suessiacean family represented by the extant Polarella glacialis. Out of hundreds of single planktonic foraminifera examined, 21 unique pelagic symbiont ribotypes were... Tipo: Text Palavras-chave: Symbiosis; Planktonic foraminifer; Dinoflagellate; Open ocean; Suessiales. Ano: 2006 URL: https://archimer.ifremer.fr/doc/00383/49440/49907.pdf Registros recuperados: 2 Primeira ... 1 ... Última

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