Flagella and Theca
Flagella and theca in dinoflagellates
To understand the morphology of A. fundyense, it is helpful to first learn the general morphology of dinoflagellates. Dinoflagellates can be “naked” (no theca, or athecate) or thecate (like A. fundyense). Structure of the theca vary from one group of dinoflagellates to another. Their two flagella can grow in different ways as well.
Thecal plate structure of A. fundyense
It is morphologically identical to A. tamarense (which does not always produce toxins) except for the missing ventral pore on the 1' plate in A. fundyense (Anderson et al. 1994).
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