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Prymnesiophyceae

Prymnesiophyceae (Haptophyceae) A class of predominantly unicellular, flagellated algae (sometimes regarded as protozoa, class Phytomastigophora) in which there are two smooth (whiplash-type) flagella, and a structure called a haptonema: a filamentous appendage which may be short, or long and whip-like, and which is believed to function mainly in attaching the organism to a solid surface. Species are predominantly marine, often forming a major component of the phytoplankton in some regions. Many species have a cell covering of many small scales; in some species these scales are impregnated with calcium carbonate and are known as coccoliths.

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"Prymnesiophyceae." A Dictionary of Plant Sciences. . Encyclopedia.com. 19 Nov. 2017 <http://www.encyclopedia.com>.

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"Prymnesiophyceae." A Dictionary of Plant Sciences. . Retrieved November 19, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/prymnesiophyceae

Haptophyceae

Haptophyceae See PRYMNESIOPHYCEAE.

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"Haptophyceae." A Dictionary of Plant Sciences. . Encyclopedia.com. 19 Nov. 2017 <http://www.encyclopedia.com>.

"Haptophyceae." A Dictionary of Plant Sciences. . Encyclopedia.com. (November 19, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/haptophyceae

"Haptophyceae." A Dictionary of Plant Sciences. . Retrieved November 19, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/haptophyceae