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Issue: Vol. 382 No. 3: 12 December 2018
Type: Article
Published: 2018-12-12
DOI: 10.11646/phytotaxa.382.3.3
Page range: 267–274
Abstract views: 26
PDF downloaded: 2

Oricymba sagarensis (Gandhi) comb. nov., an endemic diatom from the Western Ghats, India

Biodiversity and Paleobiology, Agharkar Research Institute, Pune, Maharashtra, India-411004
Institute of Plant Physiology, Russian Academy of Sciences, 127276, Moscow, Botanicheskaya 35, Russia Kazan Federal University, Kremlevskaya Street 18, Kazan 420000, Russia
Institute of Plant Physiology, Russian Academy of Sciences, 127276, Moscow, Botanicheskaya 35, Russia Kazan Federal University, Kremlevskaya Street 18, Kazan 420000, Russia
Institute of Plant Physiology, Russian Academy of Sciences, 127276, Moscow, Botanicheskaya 35, Russia
Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado–80309. USA
Biodiversity and Paleobiology, Agharkar Research Institute, Pune, Maharashtra, India-411004
diatoms Oricymba morphology taxonomy India Western Ghats biogeography Algae

Abstract

Light and scanning electron microscope observations of Cymbella sagarensis Gandhi are presented. Morphological peculiarities of this species show that it belongs to the genus Oricymba Jüttner, Krammer, Cox, Van de Vijver & Tuji. Based on our observations, the new taxonomic combination, Oricymba sagarensis (Gandhi) C.Radhakrishnan, Kociolek & B.Karthick, comb. nov. is proposed. Morphological comparison of this species with other known members of Oricymba is given. A second taxon described by Gandhi, C. sagarensis f. gracilis Gandhi, is suggested to be a synonym of the nominate forma. Distribution of this species and other Oricymba taxa is discussed.