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Morphology and taxonomy of a new marine sand-dwelling Amphidiniopsis species (Dinophyceae, Peridiniales), A. aculeata sp. nov., from Cap Feret, France

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Abstract

A new dinoflagellate species within the benthic, heterotrophic, and thecate genus Amphidiniopsis was discovered in a fixed sediment sample taken at Cap Feret, France, in 1994. The cells within this sample were manually isolated and characterized by light and scanning electron microscopy. The thecal plate pattern and overall ornamentation demonstrate that this taxon is different from all other described species within the genus. Amphidiniopsis aculeata sp. nov. is dorsoventrally flattened, 37.5-40.3 μm long and 31.7-35.3 μm wide. The plate formula is APC 4′ 2a 7″ 3c 5s 5′″ 2″″. The thecal plates possess pores of two different size classes and are ornamented with conspicuous spines of different lengths.

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Acknowledgments

We want to thank Dr. C. Printzen, Senckenberg Research Institute and Natural History Museum, for the translation of the description into Latin. This work was partly supported by a scholarship to M. Hoppenrath from the Deutsche Forschungsgemeinschaft (grant Ho3267/1-1), funds from the National Science Foundation—Assembling the Tree of Life (NSF #EF-0629624) and grants to B. S. Leander from the National Science and Engineering Research Council of Canada (NSERC 283091-04) and the Canadian Institute for Advanced Research, Programs in Evolutionary Biology and Integrated Microbial Biodiversity.

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Authors and Affiliations

  1. Forschungsinstitut Senckenberg, Deutsches Zentrum für Marine Biodiversitätsforschung, Südstrand 44, 26382, Wilhelmshaven, Germany

    Mona Hoppenrath

  2. Department of Botany, University of British Columbia, 6270 University Boulevard, Vancouver, BC, V6T 1Z4, Canada

    Mona Hoppenrath & Brian S. Leander

  3. Koeman en Bijkerk bv, Kerklaan 30, Haren, The Netherlands

    Reinoud P. T. Koeman

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  1. Mona Hoppenrath
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  2. Reinoud P. T. Koeman
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  3. Brian S. Leander
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Correspondence to Mona Hoppenrath.

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Hoppenrath, M., Koeman, R.P.T. & Leander, B.S. Morphology and taxonomy of a new marine sand-dwelling Amphidiniopsis species (Dinophyceae, Peridiniales), A. aculeata sp. nov., from Cap Feret, France. Mar Biodiv 39, 1–7 (2009). https://doi.org/10.1007/s12526-008-0001-4

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  • DOI: https://doi.org/10.1007/s12526-008-0001-4

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