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Vahkampfiid. Flagellated form of a vahlkampfiid amoebo-flagellate. This group of protists can transform from an amoeba, to a flagellate and to a cyst. Typically with long flagella, and a region near the front of the cell which looks like a mouth. Phase contrast. Material from Nymph Creek and Nymph Lake, thermal sites within Yellowstone National Park, photograph by Kathy Sheehan and David Patterson.
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Vahlkampfiid, a small named amoeba, which can be assigned to the vahlkampfiids because of the way the pseudopodia (upper left) form in a series of bulges. The pseudopodium has a hyaline cap, behind it is the nucleus, and a contractile vacuole is located near the back of the cell. Differential interference contrast. Material from Nymph Creek and Nymph Lake, thermal sites in Yellowstone National Park, photograph by Kathy Sheehan and David Patterson.
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A vahlkampfiid amoeba isolated from Nymph Lake. It has a large hyaline cap at the front of the cell (upper left). Organisms similar to this may cause amoebic meningitis.
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Flagellated form of a vahlkampfiid - with four flagella. Apical cytostome region similar to Paratetramitus and Tetramitus. Flagellated stages of other vahlkampfiids were also present in this sample as were vahlkampfiid amoebae. Differential interference contrast optics.
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An unidentified vahlkampfiid - with large eruptive hyaline region at the front of the cell. Large nucleus with large nucleolus. Flagellated vahlkampfiid cells were found in the same samples. Phase contrast microscopy.
