133,829 species and infraspecific names are in the database, 16,522 images, 49,319 bibliographic items, 220,549 distributional records.

Pinnularia biceps W.Gregory

Publication details
Pinnularia biceps W.Gregory 1856: 8; pl. 1: fig. 28 'alpha'

Original publication: Gregory, W. (1856). Notice of some new species of British fresh-water Diatomaceae. Quarterly Journal of Microscopical Science, new series 4: 1-14, pl. I.

Type species
The type species (holotype) of the genus Pinnularia is Pinnularia viridis (Nitzsch) Ehrenberg.

Status of name
This name is of an entity that is currently accepted taxonomically.

Homotypic Synonym(s)
Pinnularia interrupta f. biceps (W.Gregory) Cleve 1895
Navicula interrupta f. biceps (Gregory) Fricke 1902
Pinnularia interrupta var. biceps (W.Gregory) F.Meister 1912
Navicula interupta var. biceps (Gregory) Prochazka 1923
Navicula interrupta var. biceps (Gregory) Prochazka 1923

Heterotypic Synonym(s)
Pinnularia termes Ehrenberg 1843
Pinnularia interrupta W.Smith 1853
Navicula mesolepta (W.Smith) Grunow 1860
Navicula bicapitata var. crucifera O'Meara 1875
Navicula termes (Ehrenberg) O'Meara 1875
Navicula bicapitata O'Meara 1875
Navicula termes var. stauroneiformis A.W.F.Schmidt 1876
Navicula interrupta (W.Smith) Schmidt 1876
Pinnularia stauroptera var. interrupta (W.Smith) Brun 1880
Navicula nivalis var. interrupta (W.Smith) Héribaud 1893
Pinnularia interrupta f. stauroneiformis Cleve 1895
Pinnularia interrupta f. stauroneiformis (Schmidt) O.Müller 1898
Pinnularia bicapitata var. interrupta (W.Smith) L.Dippel 1905
Pinnularia interrupta var. stauroneiformis (van Heurck) Meister 1912
Pinnularia termes var. stauroneiformis (Schmidt) Hofmann 1914
Navicula interrupta var. termes (Ehrenberg) Prochazka 1923
Pinnularia biceps f. stauroneiformis (Cleve) Ross 1947
Pinnularia termes var. stauroneiformis (A.Schmidt) Cleve-Euler 1955
Pinnularia gibba var. interrupta (W.Smith) N.Woodhead & R.D.Tweed 1960
Navicula interrupta var. stauroneiformis (Schmidt) Hanna 1969

General environment
This is a freshwater species.

Distribution by country

Detailed distribution with sources
(as Pinnularia termes Ehrenberg)
Europe: Romania (Caraus 2012), Spain (Álvarez Cobelas & Estévez García 1982).

(as Pinnularia interrupta W.Smith)
Arctic: Canada (Arctic) (Antoniades et al. 2005), Ellesmere Island (Antoniades et al. 2005).

Europe: Britain (Ettl & Gärtner 1995, Whitton et al. 2003, Behnke et al., 2004), France (Anon. 2012), Germany (Ettl & Gärtner 1995), Romania (Caraus 2002, Caraus 2012), Spain (Álvarez Cobelas & Estévez García 1982).

Atlantic Islands: Iceland (Ettl & Gärtner 1995, Ettl & Gärtner 1995).

Asia: China (Hu & Wei 2006).

(as Pinnularia biceps W.Gregory)
Europe: Romania (Caraus 2002, Caraus 2012), Spain (Aboal, Puig & Prefasi 1998).

North America: United States of America (Patrick & Reimer 1966).

South America: Brazil (Eskinazi-Leça et al. 2010).

South-east Asia: Singapore (Pham et al. 2011).

Australia and New Zealand: New South Wales (Day et al. 1995), New Zealand (Harper et al. 2012), Northern Territory (Day et al. 1995), Queensland (Day et al. 1995), Tasmania (Day et al. 1995), Victoria (Day et al. 1995), Western Australia (Day et al. 1995).

Pacific Islands: Hawaiian Islands (Sherwood 2004).

(as Pinnularia interrupta f. biceps (W.Gregory) Cleve)
Europe: Spain (Álvarez Cobelas & Estévez García 1982).

(as Pinnularia interrupta var. biceps (W.Gregory) F.Meister)
Europe: Romania (Caraus 2002).

(as Pinnularia termes var. stauroneiformis (Schmidt) Hofmann)
Europe: Romania (Caraus 2002).

Source of synonymy
Krammer, K. (2000). Diatoms of Europe. Diatoms of the European Inland Waters and Comparable Habitats. Volume 1. The genus Pinnularia. pp. 703, 217 Plates.: H. Lange-Bertalot (Ed.). ARG Gantner Verlag K.G.

Key references
Aboal, M., Alvarez Cobelas, M., Cambra, J. & Ector, L. (2003). Floristic list of non-marine diatoms (Bacillariophyceae) of Iberian Peninsula, Balearic Islands and Canary Islands. Updated taxonomy and bibliography. Diat. Monogr. 4: 1-639.

Day, S.A., Wickham, R.P., Entwisle, T.J. & Tyler, P.A. (1995). Bibliographic check-list of non-marine algae in Australia. Flora of Australia Supplementary Series 4: i-vii, 1-276.

SAG Cultures
SAG Cultures may be viewed at http://sagdb.uni-goettingen.de/showstrains.php?genus=Pinnularia&species=biceps

SCCAP Cultures
Cultures from the Scandinavian Culture Collection of Algae at the University of Copenhagen (SCCAP) and Protozoa may be viewed at http://www.sccap.dk/search/algaebase.asp?Genus=Pinnularia&Species=biceps

NCBI Nucleotide Sequences

Created: 29 April 2002 by M.D. Guiry

Verified by: 26 October 2012 by M.D. Guiry

Accesses: This record has been accessed by users 726 times since it was created.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=50497

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 20 June 2013.

Algaebase taxon LSID: urn:lsid:algaebase.org:taxname:80612

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