Dicloster C.-C.Jao, Y.S.Wei & H.C.Hu, 1976

Holotype species: Dicloster acuatus C.-C.Jao, Y.S.Wei & H.C.Hu

Original publication and holotype designation: Jao, C.-C., Wei, Y.X. & Hu, H.J. (1975). Dicloster, a new genus of Chlorococcales. Acta Hydrobiologica Sinica 6(1): 115-116.

Description: Thalli colonial, forming 2- or 4-celled coenobia, if 4-celled, pairs of cells arranged in two levels. Cells embedded in mucilaginous matrix. Cells 30-60 x 3-9 µm, curved with long tapering, pointed ends, these directed away from coenobium. Cell walls smooth. Cells uninucleate; chloroplast single and parietal with 1-2 (0-5) pyrenoids. Asexual reproduction by autospores; 2-8 per sporangium but organized in 1-4 coenobia; spore release by rupture of parental cell wall. Sexual reproduction and flagellated stages unknown. Dicloster planktonic in freshwater marshes, ponds and lakes; reported from Asia, Europe, Central America, Caribbean and southern North America. Genus assigned to subfamily Scenedesmoideae. Distinguished from Tetradesmus by cell size and number of pyrenoids, and from Scenedesmus by cell arrangement.

Information contributed by: D. Garbary and E. Hegewald. The most recent alteration to this page was made on 2010-12-20 by M.D. Guiry.

Taxonomic status: This name is of an entity that is currently accepted taxonomically.

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Contributors
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.

Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 20 December 2010. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 28 November 2024