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The marine diatom genus rhizosolenia : A new approach to the taxonomy

Sundström, Bo G. (1986)
Abstract
The silica wall in 35 species of the marine planktonic diatom genus Rhizosolenia Brightwell has been examined with light and electron microscopy. The genus Rhizosolenia is revised and an emended circumscription comprising 24 species is proposed. Five new species (Rh. acicularis, Rh. borealis, Rh. ostenfeldii, Rh. fallax, Rh. decipiens) and four new infraspecific taxa (Rh. polydactyla f.squamosa, Rh. castracanei var. neglecta, Rh. antennata f. semispina, Rh. sima f. silicea) are described. Rh. calcar-avis Schultze has been transferred to the new genus Pseudosolenia, and Rh. alata Brightw. to the new genus Proboscia. Several traditional Rhizosolenia species are regarded as belonging to other genera but pending further research are retained... (More)
The silica wall in 35 species of the marine planktonic diatom genus Rhizosolenia Brightwell has been examined with light and electron microscopy. The genus Rhizosolenia is revised and an emended circumscription comprising 24 species is proposed. Five new species (Rh. acicularis, Rh. borealis, Rh. ostenfeldii, Rh. fallax, Rh. decipiens) and four new infraspecific taxa (Rh. polydactyla f.squamosa, Rh. castracanei var. neglecta, Rh. antennata f. semispina, Rh. sima f. silicea) are described. Rh. calcar-avis Schultze has been transferred to the new genus Pseudosolenia, and Rh. alata Brightw. to the new genus Proboscia. Several traditional Rhizosolenia species are regarded as belonging to other genera but pending further research are retained in the genus.

The taxonomy of the species recognized in Rhizosolenia, Pseudosolenia and Proboscia, and the circumscription of the family Rhizosoleniaceae are discussed. The use of the concepts of species, variety and form in diatom taxonomy is discussed. A key is provided. All taxa are illustrated. (Less)
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publishing date
type
Thesis
publication status
published
subject
keywords
Diatoms, Bacillariophyceae, Phytoplankton, Marine, Taxonomy, Rhizosolenia, Pdseudosolenia, Proboscia, Revision, Diatoms, Bacillariophyceae, Phytoplankton, Marine, Taxonomy, Rhizosolenia, Pdseudosolenia, Proboscia, Revision
pages
196 pages
publisher
Lund University, Faculty of Science
language
English
LU publication?
no
id
d4bd06e4-d324-4254-831f-ce4c9197c3ad
date added to LUP
2022-03-04 21:34:09
date last changed
2022-03-04 21:52:06
@phdthesis{d4bd06e4-d324-4254-831f-ce4c9197c3ad,
  abstract     = {{The silica wall in 35 species of the marine planktonic diatom genus Rhizosolenia Brightwell has been examined with light and electron microscopy. The genus Rhizosolenia is revised and an emended circumscription comprising 24 species is proposed. Five new species (Rh. acicularis, Rh. borealis, Rh. ostenfeldii, Rh. fallax, Rh. decipiens) and four new infraspecific taxa (Rh. polydactyla f.squamosa, Rh. castracanei var. neglecta, Rh. antennata f. semispina, Rh. sima f. silicea) are described. Rh. calcar-avis Schultze has been transferred to the new genus Pseudosolenia, and Rh. alata Brightw. to the new genus Proboscia. Several traditional Rhizosolenia species are regarded as belonging to other genera but pending further research are retained in the genus.<br/><br/>The taxonomy of the species recognized in Rhizosolenia, Pseudosolenia and Proboscia, and the circumscription of the family Rhizosoleniaceae are discussed. The use of the concepts of species, variety and form in diatom taxonomy is discussed. A key is provided. All taxa are illustrated.}},
  author       = {{Sundström, Bo G.}},
  keywords     = {{Diatoms; Bacillariophyceae; Phytoplankton; Marine; Taxonomy; Rhizosolenia; Pdseudosolenia; Proboscia; Revision; Diatoms; Bacillariophyceae; Phytoplankton; Marine; Taxonomy; Rhizosolenia; Pdseudosolenia; Proboscia; Revision}},
  language     = {{eng}},
  month        = {{07}},
  publisher    = {{Lund University, Faculty of Science}},
  title        = {{The marine diatom genus rhizosolenia : A new approach to the taxonomy}},
  url          = {{https://lup.lub.lu.se/search/files/114895832/Marine_Diatom_Genus_Rhizosolenia.pdf}},
  year         = {{1986}},
}