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Prorocentrum (pro-row-sent-rum). The image shows one of the two valves of a cell. The cingulum is not visible. The plastid is yellow-brown. There is an apical spine present. The nucleus is in the posterior of the cell.
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Prorocentrum (pro-row-sent-rum). The image shows one of the two valves of a cell.The nucleus is in the posterior of the cell. The plastids are yellow-brown. The cingulum is not visible.
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Prorocentrum observed in marine muds and sandy sediments in the vicinity of Broome, Western Australia in September 2003. This image was taken using differential interference contrast optics. This work was supported by the Australian Biological Resources Study.
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Prorocentrum, observed in marine muds and sandy sediments in the vicinity of Broome, Western Australia in September 2003. This image was taken by scanning electron microscopy. This work was supported by the Australian Biological Resources Study.
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Prorocentrum observed in marine muds and sandy sediments in the vicinity of Broome, Western Australia in September 2003. This image was taken using differential interference contrast optics. This work was supported by the Australian Biological Resources Study.
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Prorocentrum observed in marine muds and sandy sediments in the vicinity of Broome, Western Australia in September 2003. This image was taken using differential interference contrast optics. This work was supported by the Australian Biological Resources Study.
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Prorocentrum observed in marine muds and sandy sediments in the vicinity of Broome, Western Australia in September 2003. This image was taken using differential interference contrast optics. This work was supported by the Australian Biological Resources Study.
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Nomarski interference optics image of one shell of the dinoflagellate.
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Prorocentrum sp
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Prorocentrum sp
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Prorocentrum sp
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Prorocentrum sp
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Prorocentrum sp
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Prorocentrum sp
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Dinoflagellate from marine sands of Little Sippewisset salt marsh near Woods Hole, MA, USA. Isolated by Laura Wegener Parfrey and Rebecca Zufall.
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Individual obtained froma bacterial biofilm sample grown out from Sippiwissett Marsh, near Woods Hole Massachusetts. Photo by Bob Moore and Andrew Schurko.
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Members of this species have a fusiform body. The apex bears a prominent winged spine. In valve view the cell will have one arched and one convex side.
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Prorocentrum (pro-row-sent-rum) clipeus Hoppenrath 2000. The image shows one of the two valves of a cell. The nucleus is in the posterior of the cell. The plastids are yellow-brown. The cingulum is not visible. There is an apical spine present.
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Prorocentrum clipeus cells are round, 37 - 44 long, 35 - 42 microns wide, length to width ratio 1.0-1.1. Apical area a wide rounded indentation, with a small list/collar present to the left side of the apical region. Small spine present, projecting from the apical region. Very small pores, approximately 0.1 microns diameter, present around the periphery of the valve and in short rows radiating towards the centre of the cell. Intercalary region with a horizontal banding pattern. Large yellow-brown plastid fills the cytoplasm. Large extrusomes (12 - 13 microns ) present in the anterior part of the valve, pointing towards the apical area. Nucleus large, approximately 20 microns by 10 microns , in the posterior part of the valve.
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Prorocentrum emarginatum, showing plastids, observed in marine muds and sandy sediments in the vicinity of Broome, Western Australia in September 2003. This image was taken using differential interference contrast optics. This work was supported by the Australian Biological Resources Study.
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Prorocentrum emarginatum, an empty valve, observed in marine muds and sandy sediments in the vicinity of Broome, Western Australia in September 2003. This image was taken using phase contrast optics. This work was supported by the Australian Biological Resources Study.
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Prorocentrum (pro-row-sent-rum) lima (Ehrenberg) Dodge 1975. The image shows one of the two valves of a cell. The cingulum is not visible. The plastids are yellow-brown, and surround a large circular pyrenoid in the centre of the cell.
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Prorocentrum lima valves are oval, 40 - 45 microns long, 27-33 microns wide , length to width ratio 1.3 - 1.5. Valve surface smooth. Valve pores scattered except in the centre, 58 - 80 per cell, approximately 0.3 microns diameter, round, oval to slightly kidney shaped. Marginal pores around periphery of cell, 51-74 per cell, round to oval approximately 0.3 microns diameter. Intercalary band smooth. Apical area consists of a small triangular indentation. A small flange (apical collar) is present. Plastids large, orange-brown. A pyrenoid, 7 - 8 microns diameter, is situated centrally. Nucleus in the posterior of the valve.
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Prorocentrum (pro-row-sent-rum) mexicanum Tafall 1942. The image shows the valve of a cell. The plastid is yellow-brown. There is a small apical spine present. The cingulum is not visible.
