dcsimg

Plate 31

Image of Ostreopsis heptagona D. R. Norris, J. W. Bomber & Balech 1985

Description:

Plate 31. Ostreopsis heptagona. Figs. 1-4. SEM. Fig. 1. Epithecal view: cells broadly oval, oblong and pointed. Long curved apical pore plate, Po, off-center (arrow). Plate 1' heptagonal and distinctive. Fig. 2. Hypothecal view: plate 1p pentagonal and dorso-ventrally elongate. Fig. 3. Po long, narrow and curved. Narrow mucilage strands cover cell surface. Fig. 4. Ventral view: location of ventral opening (arrow), ventral plate (asterisk), and rigid plate (asterisk) within cingulum. Fig. 5. LM. Two cells. Fig. 6. Line drawing: thecal plate arrangement.

Source Information

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bibliographic citation
Faust, Maria A. and Rose A. Gulledge. Identifying Harmful Marine Dinoflagellates. Smithsonian Contributions from the United States National Herbarium, volume 42: 1-144 (including 48 plates, 1 figure and 1 table).
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NMNH Marine Dinoflagellates
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NMNH_dinos_570