161,704 species and infraspecific names are in the database, 22,723 images, 63,694 bibliographic items, 473,646 distributional records.

Trigonium alternans (Bailey) A.Mann 1907

Classification:
Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Coscinodiscophytina
Class Coscinodiscophyceae
Subclass Coscinodiscophycidae
Order Stellarimales
Family Trigoniaceae
Genus Trigonium

Pictures

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Trigonium alternans (Bailey) A.Mann
600x __width 48 µm. 27 Jul 2012. Robert Lavigne. © Robert Lavigne (MicroscopyView.com).

Trigonium alternans (Bailey) A.Mann
600x __width 48 µm. 17 May 2011. Robert Lavigne. © Robert Lavigne. (MicroscopyView.com).

Trigonium alternans (Bailey) A.Mann
600x __width 48 µm. 05 Apr 2009. Robert Lavigne. © Robert Lavigne. (MicroscopyView.com).

Trigonium alternans (Bailey) A.Mann
Carolina Assadi (carolina.assadi@oceansnell.com). © Carolina Assadi (carolina.assadi@oceansnell.com).

 

Acetabulum polyphysoides f. deltoideum M.Howe

Trigonium alternans (Bailey) A.Mann 600x __width 48 µm
© Robert Lavigne. (MicroscopyView.com)

Publication details
Trigonium alternans (Bailey) A.Mann 1907: 290

Published in: Mann, A. (1907). Report on the diatoms of the Albatross voyages in the Pacific Ocean, 1888-1904. Contributions from the United States National Herbarium 10(5): 221-419.

Type species
The type species (holotype) of the genus Trigonium is Trigonium arcticum (Brightwell) Cleve.

Status of name
This name is currently regarded as a synonym of Biddulphia alternans (Bailey) Van Heurck

Basionym
Triceratium alternans Bailey

Type information
Type locality: USA: various localities on Atlantic coast (Index Nominum Algarum).

Origin of species name
Participle B (Latin), alternating (Stearn 1992).

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

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Source of current name
Villac, M.C., Kaczmarska, I. & Ehrman, J.M. (2016). Diatoms from ship ballast sediments (with consideration of a few additional species of special interest). Diatom Monographs 18: [1]-557, 235 pls.

Created: 23 April 2002 by M.D. Guiry

Verified by: 19 July 2017 by M.D. Guiry

Accesses: This record has been accessed by users 1416 times since it was created.

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

References
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Hoban, M.A. (1983). Biddulphioid diatoms. II. The morphology and systematics of the Pseudocellate species, Biddulphia biddulphiana (Smith) Boyer, B. alternans (Bailey) Van Heurck, and Trigonium arcticum (Brighywell) Cleve. Botanica Marina 26: 271-284.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=39914

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 18 June 2021.

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