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Vannella, a small naked amoeba with a large hyaline region. The cell is moving towards the top of the image. The nucleus with central nucleolus is located to the left posterior of the cell, there are clear vacuoles which form part of the contractile vacuole complex. The most posterior part of the cell forms a slightly contracted uroid. From Lake Donghu, China. Phase contrast micrograph.
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Series of images showing this amoeba migrating across the slide.
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Platyamoeba (platte-ee-a-me-ba) is a naked lobose amoeba which typically advances with a single broad pseudopodium (i.e. is monopodial) - here enclosing two separate bacteria. Phase contrast.
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Platyamoeba (platte-ee-a-me-ba) is a naked lobose amoeba which typically advances with a single broad pseudopodium (i.e. is monopodial). Contractile vacuole to the right, and posterior uroid. Phase contrast.
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Platyamoeba (platte-ee-a-me-ba) is a naked lobose amoeba which typically advances with a single broad pseudopodium (i.e. is monopodial). Nucleus with nucleolus to the right, contractile vacuole tucked into the posterior uroid. Phase contrast.
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Platyamoeba (platte-ee-a-me-ba) is a naked lobose amoeba which typically advances with a single broad pseudopodium (i.e. is monopodial). Group shot with cysts. Phase contrast.
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Platyamoeba (platte-ee-a-me-ba) is a naked lobose amoeba which typically advances with a single broad pseudopodium (i.e. is monopodial). Contractile vacuole to the right anterior, and posterior uroid. Phase contrast.
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Phase contrast.
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Clydonella (clyde-on-ell-a), s small free-living naked amoeba, typically moves with a single progressing pseudopodium . Pseudopodium with relatively large hyaline zone which may have a slightly undulating appearance. Phase contrast micrograph.
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Lingulamoeba (ling-you-la-me-ba) is a naked lobose amoeba, typically monopodial (producing a single progressing pseudopodium). The hyaline cap is often very extensive and may develop distinctive ridges. Phase contrast.
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Lingulamoeba (ling-you-la-me-ba) is a naked lobose amoeba, typically monopodial (producing a single progressing pseudopodium). The hyaline cap is often very extensive and may develop distinctive ridges. Phase contrast.
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Lingulamoeba (ling-you-la-me-ba) is a naked lobose amoeba, typically monopodial (producing a single progressing pseudopodium). The hyaline cap is often very extensive and may develop distinctive ridges. Phase contrast.
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Vannella (van-ell-a), naked free-living amoeba, moves with a single pseudopodium directed forwards (i.e. is unipodial). Hyaline region very extensive. Posteriorly, the uroid is just a stiffened region of cytoplasm. Consumes bacteria. Very similar to Platyamoeba, distinguished usually by the slightly broader aspect. This is V. aberdonica. Phase contrast.
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Vannella (van-ell-a), naked free-living amoeba, moves with a single pseudopodium directed forwards (i.e. is unipodial). Hyaline region very extensive. Posteriorly, the uroid is just a stiffened region of cytoplasm. Consumes bacteria. Very similar to Platyamoeba, distinguished usually by the slightly broader aspect. This is V. aberdonica. Phase contrast.
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Vannella (van-ell-a), naked free-living amoeba, moves with a single pseudopodium directed forwards (i.e. is unipodial). Hyaline region very extensive. Posteriorly, the uroid is just a stiffened region of cytoplasm. Consumes bacteria. Very similar to Platyamoeba, distinguished usually by the slightly broader aspect. This is V. aberdonica. Phase contrast.
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Korotnevella (caw-rot-know-vell-a) is an amoeba which produces (sometimes) many conical pseudopodia. The most widely encountered genus with conical pseudopodia is Mayorella. Phase contrast.
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Korotnevella (caw-rot-know-vell-a) is an amoeba which produces (sometimes) many conical pseudopodia. The most widely encountered genus with conical pseudopodia is Mayorella. This cell has adopted the limax form. Phase contrast.
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Sampling date 10/2008. Scale bars indicate 25 µm.
Platyamoeba spec. engulfing a filamentous colony of bacteria and showing nucleus with big centric nucleolus in the middle of the cell (first image).Place name: Hiddensee Bodden (Germany) Latitude: 54.582633 Longitude: 13.115051Microscope Zeiss Standard, camera Olympus C7070WZ. DOF images.© Wolfgang Bettighofer,images under Creative Commons License V 3.0 (CC BY-NC-SA).For permission to use of (high resolution) images please contact
postmaster@protisten.de.For further information about the image, please click here:
Link to protisten.de page
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Sampling date 10/2008. Scale bars indicate 25 µm.
Platyamoeba spec. engulfing a filamentous colony of bacteria and showing nucleus with big centric nucleolus in the middle of the cell (first image).Place name: Hiddensee Bodden (Germany) Latitude: 54.582633 Longitude: 13.115051Microscope Zeiss Standard, camera Olympus C7070WZ. DOF images.© Wolfgang Bettighofer,images under Creative Commons License V 3.0 (CC BY-NC-SA).For permission to use of (high resolution) images please contact
postmaster@protisten.de.For further information about the image, please click here:
Link to protisten.de page
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Sampling date 04/2021. Scale bars indicate 25 µm.Tomographic images (the focal planes move from top to bottom).Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!As noted in
arcella.nl/vannella-simplex/, in cultures and moist-chamber-preparations specimen of this amoebae species are commonly covered with patches of fecal pellets.Place name: Pond near Großostheim (Germany)Latitude: 49.88482168 Longitude: 9.09980822Microscope Zeiss Axioplan, camera Olympus OM-D-M5 MKII. DOF images.© Wolfgang Bettighofer,images under Creative Commons License V 3.0 (CC BY-NC-SA).For permission to use of (high resolution) images please contact
postmaster@protisten.de.For further information about the image, please click here:
Link to protisten.de page
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Sampling date 04/2021. Scale bars indicate 25 µm.Tomographic images (the focal planes move from top to bottom).Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!As noted in
arcella.nl/vannella-simplex/, in cultures and moist-chamber-preparations specimen of this amoebae species are commonly covered with patches of fecal pellets.Place name: Pond near Großostheim (Germany)Latitude: 49.88482168 Longitude: 9.09980822Microscope Zeiss Axioplan, camera Olympus OM-D-M5 MKII. DOF images.© Wolfgang Bettighofer,images under Creative Commons License V 3.0 (CC BY-NC-SA).For permission to use of (high resolution) images please contact
postmaster@protisten.de.For further information about the image, please click here:
Link to protisten.de page
