Exilaria pulchella Kützing 1844
Publication Details
Exilaria pulchella Kützing 1844: 68
Published in: Kützing, F.T. (1844). Die Kieselschaligen Bacillarien oder Diatomeen. pp. [i-vii], [1]-152, pls 1-30. Nordhausen: zu finden bei W. Köhne.
Request PDFPublication date: 7-9 Nov 1844
Type Species
The type species (holotype) of the genus Exilaria is Exilaria flabellata Greville.
Status of Name
This name is currently regarded as a synonym of Ctenophora pulchella (Kützing) D.M.Williams & Round.
Source of Synonymy
Williams, D.M. & Round, F.E. (1986). Revision of the genus Synedra Ehrenb. Diatom Research 1(2): 313-339, 71 figs.
Type Information
Type locality: "An Conferven in England. Originalexemplare wurden mir von dem Hrn. Berkeley mitgetheilt." [At Convervas in England. Original copies were communicated to me by Mr. Berkeley.]; (Kützing 1844: 68) Lectotype ("England, Penzance, [John] Ralfs"; designated by Williamson & Van de Vijver 2023: 7): BM; 18644! (Kützing 360 March 1844) (Williams & Van de Vijver 2023) Notes: "England, Penzance, [John] Ralfs (BM 18310! [Kützing 193], lectotype designated here, https://data.nhm.ac.uk/object/ 9545df61-a24c-4fa8-a796-e112 79a9e9f4; BM 18644! (Kützing 360 [March 1844]; BM s.n.! and BM Adams Eul. 38! = Eulenstein, Diatomacearum species typicae no. 38, "b) Penzance, Angl. In aqua dulci" […] b) Spec. originale. Ktz. Bac. tab. 29. fig. 87 = Fig. 12]; "Exilaria pulchella n. sp., on aquatic plants, Penzance, Feb., 1840, J. Ralfs", BM herb. Diat. 2536!; "Exilaria pulchella. Kutz. Kies. Bacil. t. 29. f. 87, Penzance" [British Algae, dried specimens of marine and freshwater algae, including the Desmidieae and Diatomaceae, volume 1, no. 34, 1850, see Ann. Mag. Nat. Hist. 2 (7), 412, 1850–1?, for date see Ann. Mag. Nat. Hist. 2 (7): 412, 1851 and Sayre 1969: 97 , "Exilaria pulchellum"]; "Penzance, Mr. Ralfs", Diat. Herb. diat. 2534!, W. Smith, BM 23735–6!; L4020117!, Penzance, Herb. Lenormand https://data.biodiversitydata.nl/naturalis/specimen/L.4020117, FH: J. W. Bailey coll. E337 (http://www2.huh.harvard.edu/diatom/baileycat.htm), and ANSP: Febiger 3049, 'Exilaria pulchella Ralfs ex Kutzing' (I = isotype)." (Williams & Van de Vijver 2023: 7).
Origin of Species Name
Adjective (Latin), beautiful and little (Stearn 1983).
General Environment
This is a freshwater species.
Created: 29 August 2006 by M.D. Guiry.
Last updated: 27 December 2023
Verification of Data
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Nomenclatural note
Kützing (1844: 68) cited "Exilaria pulchella Ralfs (ex specim)." - (03 May 2016) - M.D. Guiry
Habitat note
Usually in fresh water of high mineral content - (11 March 2011) - Salvador Valenzuela Miranda
Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=131375
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 27 December 2023. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 02 June 2025
