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Cymbella mexicana var. janischii (A.W.F.Schmidt) Reimer

Classification:
Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Bacillariophyceae
Subclass Bacillariophycidae
Order Cymbellales
Family Cymbellaceae
Genus Cymbella

Pictures

click on thumbnail for larger version.

Cymbella mexicana var. janischii (A.W.F.Schmidt) Reimer
700x _Dim. 58 x 236 µm. 11 Mar 2014. Robert Lavigne. © Robert Lavigne (MicroscopyView.com).

Cymbella mexicana var. janischii (A.W.F.Schmidt) Reimer
700x _Dim. 58 x 236 µm _Oregon, USA. 11 Mar 2014. Robert Lavigne. © Robert Lavigne (MicroscopyView.com).

Cymbella mexicana var. janischii (A.W.F.Schmidt) Reimer
700x _Dim. 58 x 236 µm _Oregon, USA. 11 Mar 2014. Robert Lavigne. © Robert Lavigne (MicroscopyView.com).

Cymbella mexicana var. janischii (A.W.F.Schmidt) Reimer
700x _Dim. 55 x 226 µm. 01 Mar 2013. Robert Lavigne. © Robert Lavigne (MicroscopyView.com).

 

Sphaenosiphon hemisphaericus (Setchell & N.L.Gardner) P.C.Silva

Cymbella janischii (A.W.F.Schmidt) De Toni 700x _Dim. 58 x 236 µm _Oregon, USA
© Robert Lavigne (MicroscopyView.com)

Publication details
Cymbella mexicana var. janischii (A.W.F.Schmidt) Reimer in R.M.Patrick & Reimer 1975: 60, pl. 12: fig. 3 a, b

Published in: Patrick, R.M. & Reimer, C.W. (1975). The Diatoms of the United States exclusive of Alaska and Hawaii. Volume 2. Part 1. Entomoneidaceae, Cymbellaceae, Gomphonemaceae, Epithemiaceae. pp. 1-213. Philadelphia: Academy of Natural Sciences.

Type species
The type species (lectotype) of the genus Cymbella is Cymbella cymbiformis C.Agardh.

Status of name
This name is currently regarded as a synonym of Cymbella janischii (A.W.F.Schmidt) De Toni

Basionym
Cocconema janischii A.W.F.Schmidt

Fossil
This is a fossil species seemingly without extant populations.

Origin of species name
Adjective A (Latin), pertaining to Mexico (Stearn 1992).

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

General environment
This is a freshwater species.

Detailed distribution with sources (Click to Load)

Source of current name
De Toni, G.B. (1891). Sylloge algarum omnium hucusque cognitarum. Vol. II. Sylloge Bacillariearum. Sectio I. Rhaphideae. pp. [i-iii]. [i]-cxxxii, 1-490. Patavii [Padua]: Sumptibus auctoris.

Key references
Krammer, K. (2002). Cymbella. In: Diatoms of Europe, diatoms of the European inland waters and comparable habitats (Lange-Bertalot, H. Ed.). Vol. 3 pp. 1-584, incl. 194 pls. Ruggell: A.R.G.Gantner Verlag K.G.

Created: 13 March 2006 by M.D. Guiry

Verified by: 06 November 2018 by M.D. Guiry

Accesses: This record has been accessed by users 387 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=104746

Citing AlgaeBase
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 25 August 2019.

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