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Phaeoplaca (fay-owe-plack-a) thallosa, a chrysophyte in which cells adhere to each other to form irregular rectangular sheets. Differential interference microscopy.
data on this strain.
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Portrait of the colonial chrysomonad, Epipyxis ramosa (Lauterborn,1896) Hilliard and Asmund,1963. The cell body is a posteriorly tapering cylinder with a truncate anterior. There are two unequal anterior flagella. There is one parietal chloroplast. A stigma is usually present. Each cell resides in its own long, slightly sinuous tubular lorica. The many branching lorica form a colony. The lorica consists of overlapping scales composed of organic fibrils. The overlapping scales give the tubular loricae a telescoped appearance. E. ramosa is mixotrophic, utilizing photosynthetic and phagotrophic nutrition. Collected from a freshwater pond near Boise, Idaho May 2004. Phase contrast.
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Detail of the lorica of the colonial chrysomonad, Epipyxis ramosa (Lauterborn,1896) Hilliard and Asmund,1963. The cell body is a posteriorly tapering cylinder with a truncate anterior. There are two unequal anterior flagella. There is one parietal chloroplast. A stigma is usually present. Each cell resides in its own long, slightly sinuous tubular lorica. The many branching lorica form a colony. The lorica consists of overlapping scales composed of organic fibrils. The overlapping scales give the tubular loricae a telescoped appearance (seen well in this image). E. ramosa is mixotrophic, utilizing photosynthetic and phagotrophic nutrition. Collected from a freshwater pond near Boise, Idaho May 2004. Phase contrast.
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Portrait of the colonial chrysomonad, Epipyxis ramosa (Lauterborn,1896) Hilliard and Asmund,1963. The cell body is a posteriorly tapering cylinder with a truncate anterior. There are two unequal anterior flagella (seen well here). There is one parietal chloroplast. A stigma is usually present. Each cell resides in its own long, slightly sinuous tubular lorica. The many branching lorica form a colony. The lorica consists of overlapping scales composed of organic fibrils. The overlapping scales give the tubular loricae a telescoped appearance. E. ramosa is mixotrophic, utilizing photosynthetic and phagotrophic nutrition. Collected from a freshwater pond near Boise, Idaho May 2004. DIC.
