Title
Transfer of rhoicosphenia vanheurckii grunow to planothidium round & bukhtiyarova Transfer of rhoicosphenia vanheurckii grunow to planothidium round & bukhtiyarova
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
Bristol ,
Subject
Biology
Source (journal)
Diatom research / International Society for Diatom Research. - Bristol
Volume/pages
30(2015) :4 , p. 339-342
ISSN
0269-249X
ISI
000368701700002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Rhoicosphenia is a relatively small genus with about 30 species and 30 infraspecific varieties. Over the past decade there has been a renewed interest in describing previously undocumented diversity in Europe, Asia and North America, from fossil and extant material, and from marine and freshwater environments. Of the ca. 60 Rhoicosphenia taxa, one species, R. lesothensis, has already been transferred out of the genus. During a literature review of the genus, a passage by Hustedt suggesting the need to transfer another species, R. vanheurckii, out of the genus was examined. Our morphological investigations result in the transfer of R. vanheurckii to the genus Planothidium. Although this diatom does not bear the cavum or sinus typical of most Planothidium species, it fits with the other characters of the genus and will retain the specific epithet, as P. vanheurckii (Grunow) E.W. Thomas, Van de Vijver & Kociolek comb. nov.
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