Cyclotella dubia Fricke, nom. illeg. 1900
Publication Details
Cyclotella dubia Fricke, nom. illeg. 1900: pl. 222: figs 23, 24 only
Published in: Schmidt, A. et al. (1874-1959). Atlas der Diatomaceen-kunde. . Leipzig: Aschersleben.
Type Species
The type species (holotype) of the genus Cyclotella is Cyclotella tecta Håkansson & R.Ross.
Status of Name
This name is currently regarded as a synonym of Cyclostephanos dubius (Hustedt) Round.
Type Information
Type locality: Ukraine: Crimea; (INA 1996) Type (Taf.222 fig. 23, Schmidt et al., 1874-1959): (Håkansson 2002: 7, fig. 5, arrowed) Notes: As the figs of Cyclotella dubia provided by Fricke show detailed morphological features that make a certain identification of the species possible, Taf. 222 fig. 23 (in Schmidt et al., 1874-1959 is designated as type but since it is not obvious whether or not this fig. is "original material' as defined in Art.9, Note 2, it is uncertain whether this should be designated as a lectotype or neotype (H.Håkansson, 2002: 7, fig. 5, arrowed).
Origin of Species Name
Adjective (Latin), doubtful.
General Environment
This is a freshwater species.
Created: 23 April 2002 by M.D. Guiry.
Last updated: 24 March 2016
Verification of Data
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Nomenclatural notes
'Fricke' is crossed out and replaced by 'Hustedt' in INA. - (09 September 2019) - G.M. Guiry
Illegimate: not Cyclotella dubia Hilse 1861. - (20 April 2010) - M.D. Guiry
As the figs of Cyclotella dubia provided by Fricke show detailed morphological features that make a certain identification of the species possible, Taf. 222 fig. 23 (in Schmidt et al., 1874-1959 is designated as type but since it is not obvious whether or not this fig. is "original material' as defined in Art.9, Note 2, it is uncertain whether this should be designated as a lectotype or neotype (H.Håkansson, 2002: 7, fig. 5, arrowed). - (24 March 2016) - G.M. Guiry
Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=37742
Citing AlgaeBase
Cite this record as:
G.M. Guiry in Guiry, M.D. & Guiry, G.M. 24 March 2016. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 04 July 2025
