163,335 species and infraspecific names are in the database, 22,769 images, 62,932 bibliographic items, 478,463 distributional records.

Placoneis porifera var. opportuna (Hustedt) Novelo, Tavera & Ibarra, nom. inval. 2007

Publication details
Placoneis porifera var. opportuna (Hustedt) Novelo, Tavera & Ibarra 2007: 53, nom. inval.

Published in: Novelo, E., Tavera, R. & Ibarra, C (2007). Bacillariophyceae from Karstic Wetlands in Mexico. Bibliotheca Diatomologica 54: 1-136, 3 figs, 21 pls..

Type species
The type species (lectotype) of the genus Placoneis is Placoneis gastrum (Ehrenberg) Mereschkowsky.

Status of name
This name is currently regarded as a synonym of Placoneis opportuna (Hustedt) Chudaev & Gololobova

Basionym
Navicula opportuna Hustedt

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

Nomenclatural notes
According to CAS, 'Basionym and its place of publication is indicated only indirectly by the citation of "Navicula porifera var. opportuna (Hustedt) Lange-Bertalot in Krammer & Lange-Bertalot. Bibliotheca Diatomologica 9: 86, fig. 198. 1985"'. - (9 Apr 2011) - M.D. Guiry

General environment
This is a freshwater species.

Detailed distribution with sources
(as Placoneis porifera var. opportuna (Hustedt) Novelo, Tavera & Ibarra)
Europe: Ireland (Wolnik & Carter 2014).

Source of current name
Chudaev, D.A. & Gololobova, M.A. (2016). [Diatoms of the Glubokoe lake (Moscow region)]. pp. [1]-446, 266 pls. Moscow. [in Russian]

Created: 09 April 2011 by M.D. Guiry

Verified by: 09 February 2021 by M.D. Guiry

Accesses: This record has been accessed by users 591 times since it was created.

Verification of data
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=139158

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 20 September 2021.

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