Phaeocystales


Classification: non_cocco -> Haptophytes -> Phaeocystales
Sister taxa: Pavlovales, Phaeocystales, Prymnesiales,

Daughter taxa: (blue => in age window 0-800Ma) Granddaughter taxa


Taxonomy:

Citation: Phaeocystales Medlin in Edvardsen et al. 2000
Rank: Order
Phaeocystales,

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.

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in stage). Data source: Total of range of species in this database

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 compiled by Jeremy R. Young viewed: 22-7-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=20288 Go to Archive.is to create a permanent copy of this page - citation notes



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