Cavinula lilandae (Bacillariophyta), a new diatom species from the Congo Basin, Central Africa

Cavinula lilandae, a small new diatom from the Congo Basin in Central Africa, was observed in acid riverine habitats in an almost pristine tropical rain forest. It occurred in a periphytic diatom community dominated by Eunotia spp. and Fragilariforma strangulata (Zanon) Williams & Round. Beside...

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Bibliographic Details
Published in:Diatom research 2013-06, Vol.28 (2), p.157-163
Main Authors: Cocquyt, Christine, De Haan, Myriam, Taylor, Jonathan C
Format: Article
Language:English
Subjects:
Africa
Bacillariophyceae
Bacillariophyta
Cavinula taxonomy
Congo
diatoms
Eunotia
habitats
Plankton
rivers
streams
swamps
Taxonomy
Zambia
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Summary:Cavinula lilandae, a small new diatom from the Congo Basin in Central Africa, was observed in acid riverine habitats in an almost pristine tropical rain forest. It occurred in a periphytic diatom community dominated by Eunotia spp. and Fragilariforma strangulata (Zanon) Williams & Round. Beside the type locality in the Baomba Stream, and the closely located Lilanda River, in the Democratic Republic of Congo, this taxon was also observed in a small river in Zambia, north of the Bangweulu swamps. Cavinula lilandae is distinguished from other taxa within the genus Cavinula D.G. Mann & A.J. Stickle by the following characteristics: uniseriate striae becoming irregularly biseriate near the poles; irregularly formed areolae; and irregular depressions in the valve face close to the axial area which are not perforating the valve face.
ISSN:2159-8347
0269-249X
2159-8347
DOI:10.1080/0269249X.2012.753952