163,335 species and infraspecific names are in the database, 22,769 images, 62,932 bibliographic items, 478,463 distributional records.

Nitzschia obtusa W.Smith 1853

Publication details
Nitzschia obtusa W.Smith 1853: 39, pl. 13: fig. 109

Published in: Smith, W. (1853). A synopsis of the British Diatomaceae; with remarks on their structure, function and distribution; and instructions for collecting and preserving specimens. The plates by Tuffen West. In two volumes. Vol. 1. pp. [i]-xxxiii, 1-89, pls I-XXXI. London: John van Voorst, Paternoster Row.
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Type species
The type species (holotype) of the genus Nitzschia is Nitzschia elongata Hassal.

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

Type information
Type locality: Pole Bay, Dorset, England (Hendey 1964: 282). Type: BM 23329 (Hendey 1964: 282).

Origin of species name
Adjective (Latin), obtuse, blunt (Stearn 1973).

Homotypic Synonym(s)
Bacillaria obtusa (W.Smith) Elmore 1895

Heterotypic Synonym(s)
Homoeocladia arcus (Bulnheim) Kuntze
Nitzschia arcus Bulnheim

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Key references
Aboal, M., Álvarez 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. Diatom Monographs 4: 1-639.

Al-Handal, A.Y. & Al-Shaheen, M.A. (2019). Diatoms in the wetlands of Southern Iraq. Bibliotheca Diatomologica 67: [1]-252, incl. 62 pls (652 figs), 1 map.

Brébisson, A. de (1870). Notes on some French Diatomaceae, presented to the Club. Journal of the Quekett Microscopical Club 2: 37-43, pl. I: figs 1-8.

Ettl, H. & Gärtner, G. (1995). Syllabus der Boden-, Luft- und Flechtenalgen. pp. i-vii, 1-721. Stuttgart: Gustav Fischer.

Hendey, N.I. (1964). An introductory account of the smaller algae of British coastal waters. Part V: Bacillariophyceae (diatoms). pp. [i]-xxii, 1-317. London: Ministry of Agriculture, Fisheries and Food, Fishery Investigations. Her Majesty’s Stationery Office.

Husna, R. Zarina, A., Masud-ul-Hasan & Shameel, M. (2007). Taxonomic study of some diatoms from Lahore, Pakistan. International Journal of Phycology and Phycochemistry, Vol. 3 (1) pp. 55-64.

Hustedt, F. (1930). Bacillariophyta (Diatomeae) Zweite Auflage. In: Die Süsswasser-Flora Mitteleuropas. Heft 10. (Pascher, A. Eds), pp. [i]-vii, [1]-466. Jena: Verlag von Gustav Fischer.

John, J. (2016). Diatoms from Stradbroke and Fraser Islands, Australia: taxonomy and biogeography. The diatom flora of Australia Volume 1. pp. [1]-377, 258 figs. Schmitten - Oberreifenberg: Koeltz Botanical Books.

John, J. (2018). Diatoms from Tasmania: taxonomy and biogeography. The diatom flora of Australia Volume 2. pp. [1]-656, 351 figs. Schmitten - Oberreifenberg: Koeltz Botanical Books.

John, J. (2020). Diatoms from arid Australia: taxonomy and biogeography. The diatom flora of Australia Volume 3. pp. [1]-578, 341 figs. Schmitten – Oberreifenberg: Koeltz Botanical Books.

Pankow, H. (1976). Algenflora der Ostsee. II. Plankton (einschliesslich benthischer Kieselalgen). pp. 1-493, 880 figs, 26 pls. Jena: Gustav Fischer.

Plinski, M. & Witkowski, A. (2020). Diatoms from the Gulf of Gdansk and surrounding waters (the southern Baltic Sea). pp. [1]-442, incl. 31 SEM pls, 16 photo pls. Gdansk: Gdansk University Press.

Proshkina-Lavrenko, A.I. (Ed.) (1950). Diatomovyi Analiz. Opredelitel' iskopaemykh i sovremennykh diatomikh vodorosleyi. Poryadok Pennales [Diatom Analysis. Manual for identification of fossil and modern diatoms. Order Pennales]. Vol. 3 pp. 398, 117 plates. Moscow & Leningrad: Gosudarstvennoye Izdatel'stvo Geologicheskoy Literatury. [in Russian]

Saunders, K., Lane, C., Cook, S., McMinn, A. & Hallaegraeff, G.M. (2010). Benthic diatoms. In: Algae of Australia. Phytoplankton of temperate waters . (Hallegraeff, G.M., Bolch, C.J.S., Hill, D.R.A., Jameson, I, LeRoi, J.-M., McMinn, A., Murray, S., de Salas, M.F. & Saunders, K. Eds), pp. 83-144. Canberra & Melbourne: ABRS; CSIRO Publishing.

Sims, P.A. (ed.) (1996). An atlas of British diatoms arranged by B. Hartley based on illustrations by H.G. Barber and J.R. Carter. pp. [2], 1-601, incl. 290 pls. Bristol: Biopress Ltd.

Wang Quanxi [Wang, Q.X.] (2018). Flora algarum sinicarum aquae dulcis Tomus XXII. Bacillariophyta. Aulonoraphidinales. pp. [1-8] i-xvii, 1-166, 135 pls. Beijing: Science Press. [in Chinese]

Witkowski, A., Lange-Bertalot, H. & Metzeltin, D. (2000). Diatom flora of marine coasts I. Iconographia Diatomologica 7: 1-925, 219 pls with 4504 figs.

Created: 11 April 2002 by M.D. Guiry

Verified by: 30 October 2020 by M.D. Guiry

Accesses: This record has been accessed by users 1705 times since it was created.

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

Hasle, G.R. & Lundholm, N. (2005). Pseudo-nitzschia seriata f. obtusa (Bacillariophyceae) raised in tank based on morphological, phylogenetic and distributional data. Phycologia 44: 608-619.

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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 21 September 2021.

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