159,637 species and infraspecific names are in the database, 22,560 images, 62,362 bibliographic items, 465,189 distributional records.

Synedra sigma Kützing 1844

Classification:
Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Bacillariophyceae
Subclass Fragilariophycidae
Order Fragilariales
Family Fragilariaceae
Genus Synedra

Pictures

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Synedra sigma Kützing
Estepona, Malaga province, Spain; Imaged with a Planapo 63x/1.4, DIC, 450 µm length and 10 µm width, stacked and stitched in Photoshop, Marine sample, Alboran Sea. . 27 Aug 2019. Forbes Pettigrew. © Forbes Pettigrew .

 

Gomphonema bipunctatum Krasske

Nitzschia sigma (Kützing) W.Smith Estepona, Malaga province, Spain; Imaged with a Planapo 63x/1.4, DIC, 450 µm length and 10 µm width, stacked and stitched in Photoshop, Marine sample, Alboran Sea.
© Forbes Pettigrew

Publication details
Synedra sigma Kützing 1844: 67, pl. 30: fig. 14

Published in: Kützing, F.T. (1844). Die Kieselschaligen Bacillarien oder Diatomeen. pp. [i-vii], [1]-152, pls 1-30. Nordhausen: zu finden bei W. Köhne.
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Publication date: 7-9 Nov 1844

Type species
The type species (lectotype) of the genus Synedra is Synedra balthica Ehrenberg.

Status of name
This name is currently regarded as a synonym of Nitzschia sigma (Kützing) W.Smith

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a brackish species.

Type information
Type locality: aus der Ostsee bei Hofmannsgave (Index Nominum Algarum).

Detailed distribution with sources (Click to Load)

Source of current name
Smith, W. (1853). A synopsis of the British Diatomaceae; with remarks on their structure, function and distribution; and instructions for collecting and preserving specimens. The plates by Tuffen West. In two volumes. Vol. 1. pp. [i]-xxxiii, 1-89, pls I-XXXI. London: John van Voorst, Paternoster Row.

Key references
Aboal, M., Álvarez Cobelas, M., Cambra, J. & Ector, L. (2003). Floristic list of non-marine diatoms (Bacillariophyceae) of Iberian Peninsula, Balearic Islands and Canary Islands. Updated taxonomy and bibliography. Diatom Monographs 4: 1-639.

Created: 23 April 2002 by M.D. Guiry

Verified by: 10 March 2016 by M.D. Guiry

Accesses: This record has been accessed by users 413 times since it was created.

Verification of data
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Linking to this page: http://algaebase.org/search/species/detail/?species_id=39847

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 26 November 2020.

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