Synedra sigma Kützing 1844

Current name: 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. - 27 August 2019. 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.

Source of Synonymy
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. I. pp. [i]-xxxiii, 1-89, pls I-XXXI. London: John van Voorst, Paternoster Row.

Type Information
Type locality: "...aus der Ostsee bei Hofmannsgave" [Denmark]; (Kützing 1844) Lectotype (designated by Lange-Bertalor & Van de Vijver 2022: Kützing (1844) Die Kieselschaligen Bacillarien oder Diatomeen, plate 30, figure 14): (Lange-Bertalot & Van de Vijver 2022: [2]) Notes: Epitype (designated by Lange-Bertalor & Van de Vijver 2022): BR-4764, Courseulles, Calvados, France (de Brébisson sample #133), Figure 1D illustrates the epitype.

General Environment
This is a brackish species.

Created: 23 April 2002 by M.D. Guiry.

Last updated: 06 January 2025

Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=39847

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 06 January 2025. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 05 April 2025