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Distephanus speculum (Ehrenberg) Haeckel 1887

Empire Eukaryota
Kingdom Chromista
Phylum Ochrophyta
Class Dictyochophyceae
Order Dictyochales
Family Dictyochaceae
Genus Distephanus


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Distephanus speculum (Ehrenberg) Haeckel
A single plate showing characteristic windows.. © Robin Raine (Robin.Raine@nuigalway.ie).

Distephanus speculum (Ehrenberg) Haeckel
© Robin Raine (Robin.Raine@nuigalway.ie).


Dictyocha speculum Ehrenberg A single plate showing characteristic windows.
© Robin Raine (Robin.Raine@nuigalway.ie)

Publication details
Distephanus speculum (Ehrenberg) Haeckel 1887: 1565

Published in: Haeckel, E. (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876 Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares and the late Captain Frank Tourle Thomson, R.N. ... Zoology - Vol. XVIII. Second Part Osculosa (Nasssellaria and Phaeodaria). pp. 889-1803. London, Edinburgh & Dublin: Published by order of Her Majesty's Government.
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Type species
The type species (holotype) of the genus Distephanus is Distephanus rotundus Stöhr.

Status of name
This name is currently regarded as a synonym of Octactis speculum (Ehrenberg) F.H.Chang, J.M.Grieve & J.E.Sutherland

Dictyocha speculum Ehrenberg

Type information
Type locality: Algeria: Oran (chalk marl fossil) (Index Nominum Algarum).

Origin of species name
Noun (Latin), a looking-glass, mirror.

No synonyms are currently included in AlgaeBase.

Taxonomic notes
Hallegraeff (2005: 254) records this as a synonym of Dictyocha speculum.

Habitat notes
Distephanus speculum Ehrenberg: cold water-affinity taxon (Martinez-Lopez 2012). - (18 Oct 2012) - Wendy Guiry

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Source of current name
Chang, F.H., Sutherland, J. & Bradford-Grieve, J. (2017). Taxonomic revision of Dictyochales (Dictyochophyceae) based on morphological, ultrastructural, biochemical and molecular data. Phycological Research 65: 235–247, 22 figs.

Key references
Dumitrica, P. (1978). Badenian silicoflagellates from Central Paratethys. In: Chronostratigraphie und Neostratotypen, Miozän der Zentralen Paratethys. (Brestenska, E. Eds) Vol. 6, pp. 207-227. Batislava: Veda.

Hallegraeff, G.M. (2005). Silicoflagellates. In: Antarctic marine protists. (Scott, F.J. & Marchant, H.J. Eds), pp. 251-254. Canberra & Hobart: Australian Biological Resources Study; Australian Antarctic Division.

Created: 07 September 2002 by Olivia Fitzgerald

Verified by: 04 February 2021 by M.D. Guiry

Accesses: This record has been accessed by users 1873 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

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

Borgert, A.H.C. (1890). Über den Bau von Distephanus Dictyocha speculum. Ehr. Zool. Anz. 13: , Über den Bau von Distephanus Dictyocha speculum.
Borgert, A.H.C. (1891). Über die Dictyochiden, insbesondere über Distephanus speculum; sowie studien an Phaeodarien. Zeitschrift für wissenschaftliche Zoologie 51: 629-676.
Fanuko, N. (1989). Possible relation between a bloom of distephanus speculum (Silicoflagellata) and anoxia in bottom waters in the northern Adriatic 1983. J. Plankton Res. 11: , Possible relation between a bloom of distephanus speculum (Silicoflagellata) and anoxia in bottom waters in the northern Adriatic 1983.
Malinverno, E. (2010). Extant morphotypes of Distephanus speculum (Silicoflagellata) from the Australian sector of the Southern Ocean: Morphology, morphometry and biogeography. Marine Micropaleontology 77(3-4): 154-174.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=55168

Citing AlgaeBase
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 05 May 2021.

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