155,821 species and infraspecific names are in the database, 21,968 images, 60,224 bibliographic items, 439,360 distributional records.

Decussata (R.M.Patrick) Lange-Bertalot, 2000, nom. inval.

Classification:
Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Bacillariophyceae
Subclass Bacillariophycidae
Order Mastogloiales
Family Mastogloiaceae

Holotype species: Decussata placenta (Ehrenberg) Lange-Bertalot & Metzeltin

Currently accepted name for the type species: Decussiphycus placenta (Ehrenberg) Guiry & Gandhi

Original publication and holotype designation: Lange-Bertalot, H. (2000). Transfer to the generic rank of Decussata Patrick as a subgenus of Navicula Bory. Iconographia Diatomologica 9: 670-673, 9 figs in 1 pl.
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Taxonomic status: currently regarded as a synonym of .

Gender: This genus name is currently treated as feminine.

Most recent taxonomic treatment adopted: Guiry, M.D. & Gandhi, K. (2019). Decussiphycus gen. nov.: a validation of "Decussata" (R.M.Patrick) Lange-Bertalot (Mastogloiaceae, Bacillariophyta). Notulae Algarum 94: 1-2, no fig.

Nomenclatural notes
Invalid: Article 20.2 of the ICN (Shenzhen Code; Turland et al. 2018: 20): "The name of a genus may not coincide with a Latin technical term in use in morphology at the time of publication unless it was published before 1 January 1912 ..." (Guiry & Gandhi 2019). - (27 Feb 2019) - M.D. Guiry

Numbers of names and species: There are 2 species names in the database at present.

Names: ('C' indicates a name that is accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database):

Click here to also show infraspecific names in the list below.

References
Fourtanier, E. & Kociolek, J.P., (2003). Addendum to 'Catalogue of the Diatom Genera'. Diatom Research 18(2): 245-258.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Created: 17 August 2004 by M.D. Guiry

Verified by: 27 February 2019 by M.D. Guiry

Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=47249

Citing AlgaeBase
Please cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 17 July 2019.

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