153,289 species and infraspecific names are in the database, 20,952 images, 59,270 bibliographic items, 409,156 distributional records.

Navicula didymus Ehrenberg

Publication details
Navicula didymus Ehrenberg 1840: 155 (as 'Didymus' )

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.
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Type species
The type species (holotype) of the genus Navicula is Navicula tripunctata (O.F.Müller) Bory.

Status of name
This name is currently regarded as a synonym of Diploneis didyma (Ehrenberg) Ehrenberg

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

Nomenclatural notes
From INA: "as Navicula (Pinnularia) Didymus, indicating that epithet is a substantive (didymos, Greek for testicle)." - (20 Aug 2010) - M.D. Guiry

General environment
This is a marine/freshwater species.

Type information
Type locality: Italy: Caltanisetta, Italy (fossil); Germany: Cuxhaven and Wismar (living) (Silva 1996-to date).

Detailed distribution with sources (Click to Load)

Key references
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.

Created: 23 April 2002 by M.D. Guiry

Verified by: 14 December 2015 by M.D. Guiry

Accesses: This record has been accessed by users 456 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=38731

Citing AlgaeBase
Cite this record as:
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 20 October 2018.

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