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Pleurosigma angulatum (J.T.Quekett) W.Smith

Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Bacillariophyceae
Subclass Bacillariophycidae
Order Naviculales
Suborder Naviculineae
Family Pleurosigmataceae
Genus Pleurosigma


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Pleurosigma angulatum (J.T.Quekett) W.Smith
Utlandshörn, Germany. 17 Sep 2013. Wulf Herwig. © Wulf Herwig (WEHerwig@arcor.de).


Publication details
Pleurosigma angulatum (J.T.Quekett) W.Smith 1852: 7; pl. 1, fig. 7, 8 [as var. beta], 9 [as var. gamma]

Published in: Smith, W. (1852). Notes on the Diatomaceae with descriptions of British species included in the genus Pleurosigma. Annals and Magazine of Natural History, series 2 9: 1-12, 2pl.
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Type species
This is the type species (holotype) of the genus Pleurosigma.

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

Navicula angulata J.T.Quekett

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

Homotypic Synonym(s)
Navicula angulata J.T.Quekett 1848

Heterotypic Synonym(s)
Pleurosigma angulatum var. genuinum Cleve-Euler 1952

Nomenclatural notes
CAS suggest this this name may be invalid, but gives no reason. INA says that the name was "relegated to var. beta!" and "var. alpha later made P. quadratum by Smith", which may be sufficient to invalidate it. - (11 Oct 2011) - M.D. Guiry

Taxonomic notes
Emended by Sterrenburg (1991: 566; figs 2-34). - (15 Mar 2016) - M.D. Guiry

General environment
This is a marine species.

Detailed distribution with sources
(as Navicula angulata J.T.Quekett)
Asia: Taiwan (Shao 2003-2014).

(as Pleurosigma angulatum (J.T.Quekett) W.Smith)
Europe: Adriatic Sea (Vilicic, Marasovic & Miokovic 2002), Baltic Sea (Hällfors 2004), Black Sea (BSPC Editorial Board 2014), Britain (Hendey 1954, Hendey 1974, Hartley 1986, Whitton et al. 2003), Croatia (Vilicic et al. 2009), France (Méléder et al. 2007 , Anon. 2017), Germany (Ludwig & Schnittler 1996), Netherlands (Veen et al. 2015), Portugal (Moita & Vilarinho 1999), Romania (Caraus 2002, Caraus 2012, Caraus 2017), Spain (Álvarez Cobelas & Estévez García 1982), Turkey (Europe) (Aysel 2005), Venice Lagoon (Tolomio et al. 2002).

Atlantic Islands: Canary Islands (Anon. 2011, Afonso-Carrillo 2014).

North America: Alaska (Saunders 1901), Canada (Mather et al. 2010), Mexico (López-Fuerte & Siqueiros-Beltrones 2016), Mexico (Caribbean) (Merino-Virgilio et al. 2013, Licea, Moreno-Ruiz & Luna 2016), Nova Scotia (Kim, Garbary & McLachlan 2004), NW USA (Bahls 2009), United States of America (Patrick & Reimer 1966, Kociolek 2005).

South America: Argentina (Garibotti et al. 2011), Brazil (Eskinazi-Leça et al. 2010, Costa et al. 2016), Colombia (Montoya-Moreno et al. 2013).

Africa: (Apt 1988), Egypt (Zalat 2002, Nassar & Khairy 2014, Nassar & Kham 2014).

South-west Asia: Iraq (Maulood et al. 2013), Lebanon (Lakkis 2013).

Asia: China (Liu 2008, Li & Qi 2010, Cheng & Gao 2013), Korea (Jeong et al. 2017), Russia (Far East) (Medvedeva & Nikulina 2014), Taiwan (Shao 2003-2014, Anon. 2012).

Australia and New Zealand: Australia (McCarthy 2013), New South Wales (Day et al. 1995), New Zealand (Harper et al. 2012).

(as Pleurosigma angulatum var. genuinum Cleve-Euler)
North America: Mexico (López-Fuerte & Siqueiros-Beltrones 2016).

Key references
Hendey, N.I. (1964). An introductory account of the smaller algae of British coastal waters. Part V: Bacillariophyceae (diatoms). Vol. Ser. IV (part 5) pp. [i]-xxii, 1-317. Gt. Britain: Minist. Agric. Fish. Food, Fish Invest..

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.

Krammer, K. & Lange-Bertalot, H. (1986). Bacillariophyceae 1 Teil: Naviculaceae. In: Süßwasserflora von Mitteleuropa. Begründet von A. Pascher. Herausgegeben von. H. Ettl, J. Gerloff, H. Heynig & D. Mollenhauer. Band 2/1. pp. [i]-xvi, [1]-876, 206 pls with 2976 figures. Stuttgart & New York: Gustav Fischer Verlag.

Patrick, R.[M.] & Reimer, C.W. (1966). The diatoms of the United States exclusive of Alaska and Hawaii. Volume 1: Fragilariaceae, Eunotiaceae, Achnanthaceae, Naviculaceae. Monographs of the Academy of Natural Sciences of Philadelphia 13: 1-688.

Proschkina-Lavrenko, A.I. (1950). Diatomovyi Analiz, Kniga 3. Opredelitel' iskopaemykh i sovremennykh diatomik vodoroslei Poriadok Pennales. Botanicheskii Institut im V.L. Komarova Akademii Nauk S.S.S.R. Gosudarstvennoe Izdatelystvo geologicheskoi Literatury 3(1): [1]-398, 117 pls. [in Russian]

Sterrenburg, F.A.S. (1991). Studies on the genera Gyrosigma and Pleurosigma (Bacillariophyceae). The typus generis of Pleurosigma, some presumed varities and imitative species. Botanica Marina 34: 561-573.

Tomas, C.R., Eds (1996). Identifying marine diatoms and dinoflagellates. pp. 1-858. San Diego: Academic Press Inc.

Created: 03 May 2003 by Mairead Murphy

Verified by: 22 June 2018 by M.D. Guiry

Accesses: This record has been accessed by users 5786 times since it was created.

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

Cartaxana, P., Brotas, V. & Serodio, J. (2008). Effects of two motility inhibitors on the photosynthetic activity of the diatoms Cylindrotheca closterium and Pleurosigma angulatum . Diatom Research 23(1): 65-74.
Reid, G. (2001). On the identity of Pleurosigma angulatum (Bacillariophyta) and related species. Bull. Nat. Hist. Museum (Bot.) 31(2): 107-117, 8 fig., 3 tables.

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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 23 June 2018.

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