153,615 species and infraspecific names are in the database, 20,981 images, 59,407 bibliographic items, 412,628 distributional records.

Tertiarius H.Håkansson & G.Khursevich, 1997

Classification:
Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Mediophyceae
Subclass Thalassiosirophycidae
Order Stephanodiscales
Family Stephanodiscaceae

Holotype species: Tertiarius pygmaeus (Pantocsek) Håkansson & Khursevich

Original publication and holotype designation: Håkansson, H. & Khursevich, G. (1997). Tertiarius gen. nov., a new genus in the Bacillariophyceae, the transfer of some cyclotelloid species and a comparison to closely related genera. Diatom Research 12(1): 19-33, 34 figs.

Taxonomic status: currently recognized as a distinct genus.

Gender: This genus name is currently treated as masculine.

Most recent taxonomic treatment adopted: Khursevich, G. & Kociolek, J.P. (2012). A preliminary, worldwide inventory of the extinct, freshwater fossil diatoms from the orders Thalassiosirales, Stephanodiscales, Paraliales, Aulacoseirales, Melosirales, Coscinodiscales, and Biddulphiales. Nova Hedwigia Beiheft 141: 315-364, no figs.

Habitat notes
Fossil genus: Micene to Pliocene. - (14 Feb 2018) - M.D. Guiry

Fossil
This is a genus of fossil species, or a genus with a fossil type species, or a genus the type species of which was originally described as a fossil.

Numbers of names and species: There are 15 species names in the database at present, as well as 1 infraspecific names. Of the species names, 15 have been flagged as accepted taxonomically on the basis of the listed literature under the species name. In some instances, opinions on taxonomic validity differ from author to author and users are encouraged to form their own opinion. AlgaeBase is a work in progress and should not be regarded as a definitive source only as a guide to the literature..

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.

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

Created: 16 April 2003 by M.D. Guiry

Verified by: 14 February 2018 by M.D. Guiry

Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=46337

Citing AlgaeBase
Please cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 19 November 2018.

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