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Fig 1: Schematic diagram of Gymnodinium aureolum, in ventral view (left) and dorsal view (right). Notice the sulcal extension on the ventral view, this feature is used to distinguish this species from Karenia mikimotoi. Modified from Hansen et al. (2000)
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Amphidinium (am-fee-din-ee-um) glabrum Hoppenrath & Okolodkov 2000. The images show colourless cells in ventral view. The cingulum is near the anterior end of the cell and descending. The epicone is asymmetrical and the apical groove is visible. The nucleus is near the posterior end of the cell.
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The epitheca of K. glaucum is both longer and wider than the hypotheca. The cingulum is displaced by about 4-5 times.
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Togula britannica (Herdman) Flo Jorgensen, Murray et Daugbjerg 2004
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Gymnodinium (jim-no-din-ee-um), a so-called typical dinoflagellate. Most dinoflagellates have two flagella and they lie in grooves in the cell surface. The flagella are not evident here, but the grooves are. There is an circumferential groove (the girdle or cingulum) which wraps around the cell, and a longitudinal groove which extends from the point of flagellar insertion towards the back of the cell. This is an autotrophic dinoflagellate with numerous plastids with chlorophylls a and c. Also with an eyespot. Differential interference contrast.
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Galende, Castile and Len, Spain
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Villar del Pedroso, Extremadura, Spain
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This is Amphidinium cf. glabrum in that it looks like but is not fully identical with the usual concept of this species.
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Togula britannica (Herdman) Flo Jorgensen, Murray et Daugbjerg 2004
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Gymnodinium (jim-no-din-ee-um), a so-called typical dinoflagellate. Most dinoflagellates have two flagella and they lie in grooves in the cell surface. The flagella are not evident here, but the grooves are. There is an circumferential groove (the girdle or cingulum) which wraps around the cell, and a longitudinal groove which extends from the point of flagellar insertion towards the back of the cell. This is an autotrophic dinoflagellate with numerous plastids with chlorophylls a and c. The nucleus is the granular structure in the lower (hypocone) part of the cell. Differential interference contrast.
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Galende, Castile and Len, Spain
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Dehesa de Montejo, Castille and Leon, Spain
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This is Amphidinium cf. glabrum in that it looks like but is not fully identical with the usual concept of this species.
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Togula britannica (Herdman) Flo Jorgensen, Murray et Daugbjerg 2004
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Gymnodinium (jim-no-din-ee-um), a so-called typical dinoflagellate. Most dinoflagellates have two flagella and they lie in grooves in the cell surface. The flagella are not evident here, but one groove -the circumferential groove - is. This is an autotrophic dinoflagellate with numerous plastids with chlorophylls a and c. The nucleus is the granular structure in the upper (epicone) part of the cell. Differential interference contrast.
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Galende, Castile and Len, Spain
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Villar del Pedroso, Extremadura, Espaa
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This is Amphidinium cf. glabrum in that it looks like but is not fully identical with the usual concept of this species.
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Togula britannica (Herdman) Flo Jorgensen, Murray et Daugbjerg 2004
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Gymnodinium (jim-no-din-ee-um), a so-called typical dinoflagellate. Most dinoflagellates have two flagella and they lie in grooves in the cell surface. The flagella are not evident here, but one groove -the circumferential groove - is., and the second (trailing) flagellum can be seen extending out the back of the cell. This is an autotrophic dinoflagellate with numerous plastids with chlorophylls a and c. Phase contrast.
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Galende, Castile and Len, Spain
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Togula jolla Flo Jorgensen, Murray et Daugbjerg 2004
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Togula jolla Flo Jorgensen, Murray et Daugbjerg 2004