Synedra acus Kützing 1844
Publication Details
Synedra acus Kützing 1844: 68, pl. 15: fig. VII [7]
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.
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 Ulnaria acus (Kützing) Aboal.
Source of Synonymy
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.
Type Information
Type locality: Germany: Hamburger Meer; (INA 1996) Lectotype: Kützing 1844: 68, pl. 15, fig. 7: Falaise, BM 18305, epitype designated by Williams & Blanco (2019: 242) (epitype) BM; 18305 (Williams & Blanco 2019: 242, fig. 2) Notes: Type: slide B.M.18305, collection Kützing no. 401, collected by A. de Brébisson from Falaise, France, marked as Synedra acus Kützing (neotype fide H. Lange-Bertalot & Ulrich 2014); collector: Binder (INA).
Origin of Species Name
Noun (Latin), a needle.
General Environment
This is a freshwater species.
Created: 11 April 2002 by M.D. Guiry.
Last updated: 19 January 2023
Verification of Data
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Nomenclatural note
According to Aboal et al. (2003), Ulnaria acus (Kützing) M. Aboal 2003 is the accepted name. Also cited in INA. - (24 February 2016) - G.M. Guiry
Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=34471
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 19 January 2023. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 02 June 2025