This tiny prymnesiomonad belongs to group of Coccolithophoraceae. In a mucous cover they wear lots of calcified scales (coccoliths). The depth of focus picture shows coccoliths covering the monad cell. Picture generated from 7 shots using CombineZ by Alan Hadley. For details see ZIP archive.
Collected from littoral region (stand of Phragmites) of a rain storage reservoir in Kiel (Schleswig-Holstein, Germany). Images were taken using Zeiss Universal with Olympus C7070 CCD camera. This image was taken by Wolfgang Bettighofer. Image copyright by Wolfgang Bettighofer (www.protisten.de); image used under license to MBL.
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From the collection
Limnic and marine Protists of Northern Germany and the Alps
|Description of Hymenomonas: Coccolithophorids, generally non-motile, but when motile with two, subequal flagella and a non-emergent haptonema (i.e. internal trace) or with a short, bulbous haptonema; both cell types bearing hundreds of monomorphic crown-shaped coccoliths, tremaliths, overlying layers of circular organic scales, sometimes also with small elliptical scales; coastal, brackish and freshwater. |