Coscinodiscus praetextus Janisch 1888
Publication Details
Coscinodiscus praetextus Janisch 1888: pl. 3: fig. 4
Published in: Janisch, C. (1888). Diatomaceen gesammelt auf der Forschungs-Reise der Gazelle in d. Jahren 1874-1876 bearbeitet durch C. Janisch. (Planches et Phototypie d'après les photographies de C. Janisch). The Diatoms of the Gazelle Expedition [Unpublished]. , 16 plates (325 figs.)..
Type Species
The type species (lectotype) of the genus Coscinodiscus is Coscinodiscus argus Ehrenberg.
Status of Name
This name is currently regarded as a synonym of Coscinodiscus gigas var. praetextus Janisch ex Hustedt.
Source of Synonymy
Hustedt, F. (1928). Die Kieselalgen Deutschlands, Österreichs und der Schweiz unter Berücksichtigung der übrigen Länder Europas sowie der angrenzenden Meeresgebiete Bd. VII: Teil 1: Liefrung 2. In: Rabenhorst's Kryptogamenflora von Deutschland, Österreich und der Schweiz. (Anon. Eds), pp. 273-464. Leipzig: Akademische Verlagsgesellschaft m.b.h..
General Environment
This is a freshwater species.
Created: 13 March 2006 by M.D. Guiry.
Last updated: 22 March 2016
Verification of Data
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Nomenclatural note
According to CAS, this name is invalid as it was not effectively published: "Published by Hustedt 1928 (ref. 000500), p. 457 as Coscinodiscus gigas var. praetexta." - (22 March 2016) - M.D. Guiry
Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=113140
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 22 March 2016. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 18 July 2025