Gomphosphenia vallei (Bacillariophyta), a new diatom species from a stream in the “Réserve Naturelle Nationale de la Vallée de Chaudefour”, Massif Central (France)

descriptionPublicationkeyboard_double_arrow_right Article 05 Apr 2022 France Publisher:Magnolia PressJournal:Phytotaxa, volume 542 (issn: 1179-3155, eissn: 1179-3163,

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Authors: Beauger, Aude; Allain, Elisabeth; Voldoire, Olivier; Blavignac, Christelle; Rossi, Sofia; Wetzel, Carlos E.; Ector, Luc;

doi: 10.11646/phytotaxa.542.2.4

Gomphosphenia vallei (Bacillariophyta), a new diatom species from a stream in the “Réserve Naturelle Nationale de la Vallée de Chaudefour”, Massif Central (France)

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Abstract

A new Gomphosphenia species (Bacillariophyceae) was found during a diatom survey in the “Réserve Naturelle Nationale de la Vallée de Chaudefour” (RNN VC), in the Massif Central (France). Gomphosphenia vallei sp. nov. is described from stone surfaces in Pérouse Stream, Auvergne, France. A detailed description of morphology of G. vallei is presented, based on light and scanning electron microscopy. This new small-sized species is characterized by linear-clavate to elliptical valves. Striae are uniseriate and composed of single slit-like areolae, an axial area linear and narrow and a low number of striae. Gomphosphenia vallei seems to inhabit headwater stream.

Country

France

Related Organizations

Laboratoire de Géographie Physique et Environnementale
France
Luxembourg Institute of Science and Technology
Luxembourg
University of Clermont Auvergne
France
University of Limoges
France
Clermont Université
France

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Keywords

new species, Chromista, Bacillariophyceae, [SDV.BID.SPT]Life Sciences [q-bio]/Biodiversity/Systematics, Rhoicospheniaceae, Phylogenetics and taxonomy, Biodiversity, ultrastructure, Europe, Gomphosphenia, [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology, Cymbellales, crystalline area, headwaters, [SDV.BID.SPT] Life Sciences [q-bio]/Biodiversity/Systematics, Phylogenetics and taxonomy, Bacillariophyta, [SDV.MP] Life Sciences [q-bio]/Microbiology and Parasitology, Taxonomy

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