151,072 species and infraspecific names are in the database, 20,498 images, 58,214 bibliographic items, 382,288 distributional records.

Pleurosigma W.Smith, 1852, nom. et typ. cons.

Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Bacillariophyceae
Subclass Bacillariophycidae
Order Naviculales
Suborder Naviculineae
Family Pleurosigmataceae

Holotype species: Pleurosigma angulatum (J.T.Quekett) W.Smith

Original publication and holotype designation: Smith, W. (1852). Notes on the Diatomaceae with descriptions of British species included in the genus Pleurosigma. Annals and Magazine of Natural History, series 2 9: 1-12, 2pl.
 Download PDF

Taxonomic status: currently recognized as a distinct genus.

Gender: This genus name is currently treated as neuter.

Most recent taxonomic treatment adopted: Cox, E.J. (2015). Coscinodiscophyceae, Mediophyceae, Fragilariophyceae, Bacillariophyceae (Diatoms). In: Sylabus of plant families. Adolf Engler's Syllabus der Pflanzenfamilien. 13th Ed. Photoautotrophic eukaryotic algae Glaucocystophyta, Cryptophyta, Dinophyta/Dinozoa, Heterokontophyta/Ochrophyta, Chlorarachniophyta/Cercozoa, Euglenophyta/Euglenozoa, Chlorophyta, Streptophyta p.p. (Frey, W. Eds), pp. 64-103. Stuttgart: Borntraeger Science Publishers.

Comments: Round, Crawford & Mann (1990: 128) record this family as being a member of the Suborder Naviculineae. Scott & Thomas (2005: 158) record this genus as being a member of the Family Naviculaceae.

Numbers of names and species: There are 192 species names in the database at present, as well as 90 infraspecific names. Of the species names, 96 have been flagged as accepted taxonomically on the basis of the listed literature under the species name. In some instances, opinions on taxonomic validity differ from author to author and users are encouraged to form their own opinion. AlgaeBase is a work in progress and should not be regarded as a definitive source only as a guide to the literature..

Names: ('C' indicates a name that is accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database):

Clik here to also show infraspecific names in the list below.

Hustedt, F. (1930). Bacillariophyta (Diatomeae) Zweite Auflage. In: Die Süsswasser-Flora Mitteleuropas. Heft 10. (Pascher, A. Eds), pp. [i]-vii, [1]-466. Jena: Verlag von Gustav Fischer.

Kociolek, J.P. & Spaulding, S.A. (2003). Symmetrical Naviculoid Diatoms. In: Freshwater Algae of North America, Ecology and Classification. (Wehr, J.D. & Sheath, R.G. Eds), pp. 637-654. San Diego: Academic Press.

Round, F.E., Crawford, R.M. & Mann, D.G. (1990). The diatoms Biology and morphology of the genera. pp. [i-ix], 1-747. Cambridge: Cambridge University Press.

Scott, F.J. & Thomas, D.P. (2005). Diatoms. In: Antarctic marine protists. (Scott, F.J. & Marchant, H.J. Eds), pp. 13-201. Canberra & Hobart: Australian Biological Resources Study; Australian Antarctic Division.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Created: 11 April 2002 by M.D. Guiry

Verified by: 16 February 2016 by M.D. Guiry

Linking to this page: http://algaebase.org/search/genus/detail/?genus_id=Xb53853087191054f

Citing AlgaeBase
Please cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 18 March 2018.

SITE © 1996 - 2018 M.D. Guiry. All rights reserved.

Website Design : 249 Design Studio