CATALOG - Phaeocystales


Folder trail: Farinacci -> Haptophytes -> Phaeocystales
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Original descriptions of taxa. For coccolithophores, and many calcispheres, these are pages from the Catalog of Calcareous Nannofossils. In other cases (e.g. non-calcifying haptophytes) the data is directly complied on this site. The "Catalogue of Calcareous Nannofossils" was compiled by Prof A. Farinacci 1969-1989 and updated by Richard Howe 2000-2016 - see also this page.
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Current identification/main database link: Phaeocystales Medlin in Edvardsen et al. 2000

Compiled data

Citation: Phaeocystales Medlin, in Edvardsen et al. 2000
Rank: Order
Type species: Phaeocystis Lagerheim, 1 893.


Original Description
Swimming cells with two more or less equal flagella and a short, noncoiling haptonema; chloroplasts 1-4, parietal; cell body covered with flat scales of two sizes. Cells sometimes with ejectile material composed of a-chitin. Life cycle com­ plex with nonmotile and motile stages though nonmotile cells not known in all species; if present, situated parietally in ge­ latinous spherical or irregularly lobed colonies, usually with no appendages or scales; the former, if present, usually short or incomplete.

References:

Edvardsen, B., Eikrem, W., Green, J. C., Andersen, R. A., Moon-Van Der Staay, S. Y. & Medlin, L. K. (2000). Phylogenetic reconstructions of the Haptophyta inferred from 18S ribosomal DNA sequences and available morphological data. Phycologia. 39: 19-35. gs


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Phaeocystales: Catalog entry compiled by Anna Farinacci and Richard Howe. Viewed: 17-9-2019

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