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Botanica Marina

Editor-in-Chief: Dring, Matthew J.


IMPACT FACTOR 2018: 0.919
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CiteScore 2018: 1.22

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Source Normalized Impact per Paper (SNIP) 2018: 0.672

Online
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1437-4323
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Volume 52, Issue 1

Issues

Sinophysis verruculosa sp. nov. (Dinophysiales, Dinophyceae), a new sand-dwelling dinoflagellate from South Brittany, northwestern France

Nicolas Chomérat
  • 1IFREMER, Laboratoire Environnement et Ressources, Finistère-Bretagne Nord, 13 rue de Kérose, 29187 Concarneau, France
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Maurice Loir / Elisabeth Nézan
  • 3IFREMER, Laboratoire Environnement et Ressources, Finistère-Bretagne Nord, 13 rue de Kérose, 29187 Concarneau, France
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar

Abstract

A new species of a marine sand-dwelling dinoflagellate in the genus Sinophysis is described from South Brittany, France using both light and scanning electron microscopy. Cells of Sinophysis verruculosa sp. nov. are oval to subcircular, slightly bulging dorsally and flattened laterally, with no chloroplasts, ranging from 52.2 to 57.8 μm in length, and 43.2 to 51.0 μm in width. The epitheca is small and tilted back to the dorsal part of the cell. At least three major plates and smaller platelets form the epitheca, but the exact number cannot be ascertained due to their reduced size and the presence of a projection hiding the sutures. Four cingular and four hypothecal plates, two large lateral and two small ventral plates are present. The sulcus is bordered by lists supported by hypothecal plates and extends less than two-thirds of the total length of the hypotheca. The most distinctive feature of S. verruculosa is the minute verrucose ornamentation covering the thecal surface, which contrasts with the smooth and areolate ornamentation of temperate and tropical species, respectively.

Keywords: Atlantic Ocean; benthic dinoflagellates; Sinophysis; taxonomy; temperate region

About the article

Corresponding author


Received: 2008-05-03

Accepted: 2008-12-03

Published in Print: 2009-02-01


Citation Information: Botanica Marina, Volume 52, Issue 1, Pages 69–79, ISSN (Online) 1437-4323, ISSN (Print) 0006-8055, DOI: https://doi.org/10.1515/BOT.2009.029.

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[1]
María García-Portela, Pilar Riobó, Francisco Rodríguez, and S. Lin
Journal of Phycology, 2017, Volume 53, Number 2, Page 446
[3]
Nicolas Chomérat and Elisabeth Nézan
European Journal of Phycology, 2009, Volume 44, Number 3, Page 415
[4]
Nicolas Chomérat, Frédéric Zentz, Sylviane Boulben, Gwenaël Bilien, Alain van Wormhoudt, and Elisabeth Nézan
Phycologia, 2011, Volume 50, Number 2, Page 202
[6]
Nicolas Chomérat, Daniel Y. Sellos, Frédéric Zentz, and Elisabeth Nézan
Journal of Phycology, 2010, Volume 46, Number 1, Page 183

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