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Amphitrema (am-fee-tree-ma) a testate amoeba with an organic test with (unusually) two apertures at opposite poles of the test. This empty test found among moss at the margins of the lake. Differential interference contrast.
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Labyrinthula (lab-ee-rin-thule-a). Amazin things, labyrinthulids. There are only a couple of genera of these stramenopiles. Labyrinthula is usually associated with dead and decaying marine plants - such as eel grass. The organisms secrete an ectoplasmic network through which the spindle shaped cells can migrate. Periodically they give rise to flagellated cells. Differential interference contrast.
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Miranda do Douro Municipality, Braganca, Portugal
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Melgar de Tera, Castille and Leon, Spain
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Villoslada de Cameros, La Rioja, Spain
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Amphitrema (am-fee-tree-ma) a testate amoeba with an organic test with (unusually) two apertures at opposite poles of the test. This test with encysted cytoplasm found among moss at the margins of the lake. Differential interference contrast.
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Labyrinthula (lab-ee-rin-thule-a). There are only a couple of genera of these stramenopiles. Labyrinthula is usually associated with dead and decaying marine plants - such as eel grass. The organisms secrete an ectoplasmic network through which the spindle shaped cells can migrate. This image is from a culture growing on agar showing cells and some of the ectoplasmic strands. Phase contrast.
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Miranda do Douro Municipality, Braganca, Portugal
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Villoslada de Cameros, La Rioja, Spain
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Labyrinthuloides (lab-ee-rin-thule-oid-ees). Labyrinthuloides is a thraustochytrid - very closely related to the labyrinthulids. The trophic form is a usually a large mass of cytoplasm giving rise to a system of fine rhizoid-like ecotoplasmic extensions. This image is from a culture growing on agar showing cells and some of the ectoplasmic strands. Phase contrast.
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Miranda do Douro Municipality, Braganca, Portugal
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Villoslada de Cameros, La Rioja, Spain
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Labyrinthuloides (lab-ee-rin-thule-oid-ees). Labyrinthuloides is a thraustochytrid - very closely related to the labyrinthulids. The trophic form is a usually a large mass of cytoplasm giving rise to a system of fine rhizoid-like ecotoplasmic extensions. This image is from a culture growing on agar showing cells and some of the ectoplasmic strands. Phase contrast.
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Miranda do Douro Municipality, Braganca, Portugal
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Villoslada de Cameros, La Rioja, Spain
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Labyrinthuloides (lab-ee-rin-thule-oid-ees). Labyrinthuloides is a thraustochytrid - very closely related to the labyrinthulids. The trophic form is a usually a large mass of cytoplasm giving rise to a system of fine rhizoid-like ecotoplasmic extensions. This image is from a culture growing on agar showing cells and some of the ectoplasmic strands. Phase contrast.
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Covaleda, Castille and Leon, Spain
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Villoslada de Cameros, La Rioja, Spain
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Aplanochytrium (a-plan-o-kit-ree-um), a labyrinthulid. This image from a culture on agar and does not show any ectoplasmic network. Phase contrast.
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San Martin De Castaneda, Castille and Leon, Spain
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Aplanochytrium (a-plan-o-kit-ree-um), a labyrinthulid. This image from a culture on agar and shows a few filaments of the ectoplasmic network. Phase contrast.
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Miranda do Douro Municipality, Braganca, Portugal
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Aplanochytrium (a-plan-o-kit-ree-um), a labyrinthulid. This image from a culture on agar and does not show any ectoplasmic network. Detail of cell bodies. Phase contrast.
