152,885 species and infraspecific names are in the database, 20,939 images, 59,127 bibliographic items, 408,269 distributional records.

Dictyocha speculum Ehrenberg

Classification:
Empire Eukaryota
Kingdom Chromista
Phylum Ochrophyta
Class Dictyochophyceae
Order Dictyochales
Family Dictyochaceae
Genus Dictyocha

Pictures

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

Dictyocha speculum Ehrenberg
© Robin Raine (Robin.Raine@nuigalway.ie).

 

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

Publication details
Dictyocha speculum Ehrenberg 1839: 129, pl. IV [4]: fig. Xn [10]

Published in: Ehrenberg, C.G. (1839). Über die Bildung der Kreidefelsen und des Kreidemergels durch unsichtbare Organismen. Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 1838: 59-147, pls I-IV, tables 1, 2.
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Type species
The type species (lectotype) of the genus Dictyocha is Dictyocha fibula Ehrenberg.

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

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

Heterotypic Synonym(s)
Cannopilus calyptra Haeckel 1887

Nomenclatural notes
This name was used in several of Enrenberg's earlier publications but without a description. - (13 Mar 2011) - M.D. Guiry

Usage notes
Harmful species (Lassus et al. 2017). - (18 May 2017) - M.D. Guiry

General environment
This is a marine species.

Type information
Type locality: Algeria: Oran (chalk marl fossil) (Silva 1996-to date).

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
Bérard-Therriault, L., Poulin, M. & Bossé, L. (1999). Guide d'identification du phytoplancton marin de l'estuaire et du Golfe du Saint-Laurent incluant également certains protozoaires. Publication Spéciale Canadienne des Sciences Halieutiques et Aquatiques 128: 1-387.

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.

Kapustin, D.O. (2015 '2014'). Chrysophyta. In: Algae of Ukraine: diversity, nomenclature, taxonomy, ecology and geography. Volume 4: Charophyta. (Tsarenko, P.M., Wasser, S.P. & Nevo, E. Eds), pp. 477-482. Ruggell: Koeltz Scientific Books.

Lassus, P., Chomérat, N., Hess, P. & Nézan, E. (2017 '2016'). Toxic and harmful microalgae of the World Ocean. Micro-algues toxiques et nuisibles de l'Océan Mondial. IOC Manuals and guides, 68 (Bilingual English/French). pp. 1-523, 54 pls. Denmark: International Society for the Study of Harmful Algae/ Intergovernmental Oceanographic Commission of UNESCO.

Moestrup, Ø. & Thomsen, H.A. (1990). Dictyocha speculum (Silicoflagellata, Dictyochophyceae), studies on armoured and unarmoured stages. K. Danske Vidensk. Selsk. Biol. Skr. 37: 1-56, 16 plates.

Throndsen, J. (1996). The planktonic marine flagellates. In: Identifying marine phytoplankton. (Tomas, C.R. Eds), pp. 591-730. San Diego: Academic Press.

Created: 17 August 2002 by M.D. Guiry

Verified by: 06 March 2018 by Wendy Guiry

Accesses: This record has been accessed by users 6530 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.

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

Boney, A.D. (1973). Observations on the Silicoflagellate Dictyocha speculum Ehrenberg from the Firth of Clyde. Journal of the Marine Biological Association of the United Kingdom 53: 263-268.
Boney, A.D. (1976). Observations on the silicoflagellate Dictyocha speculum Ehrenb.: double skeletons and mirror images. Journal of the Marine Biological Association of the United Kingdom 56: 263-266.
Boney, A.D. (1976). Observations on the Silicoflagellate Dictyocha speculum Ehrenberg: double skeletons and mirror images. Journal of the Marine Biological Association of the United Kingdom 56: 2, Observations on the Silicoflagellate Dictyocha speculum Ehrenberg: double skeletons and mirror images.
Borgert, A.H.C. (1890). Über den Bau von Distephanus Dictyocha speculum. Ehr. Zool. Anz. 13: , Über den Bau von Distephanus Dictyocha speculum.
Daugbjerg, N. & Henriksen, P. (2001). Pigment composition and rbcL sequence data from the silicoflagellate Dictyocha speculum: a heterokont alga with pigments similar to some haptophytes. Journal of Phycology 37: 1110-1120.
Frenguelli, J. (1938). Variaciones de Dictyocha speculum Ehr. en el Golfo de San Jorge (Patagonia). La Plata Univ. Nac., Inst. Mus. La Plata, Notas 3: Paleontol. No. 12, Variaciones de Dictyocha speculum Ehr. en el Golfo de San Jorge (Patagonia).
Henriksen, P., Knipschildt, F., Moestrup, Ø. & Thomsen, H.A. (1993). Autecology, life history and toxicology of the silicoflagellate Dictyocha speculum (Silicoflagellata, Dictyochophyceae). Phycologia 32: 29-39, 13 figs, 2 tables.
Moestrup, Ø. & Thomsen, H.A. (1990). Dictyocha speculum (Silicoflagellata, Dictyochophyceae), studies on armoured and unarmoured stages. K. Danske Vidensk. Selsk. Biol. Skr. 37: 1-56, 16 plates.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=54513

Citing AlgaeBase
Cite this record as:
Wendy 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 September 2018.

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