Testate Amoebae –
Amoebozoa (Part), Stramenopiles (Part), Rhizaria (Part)
Observations on Centropyxis oblonga
Taxonomic tree according to Lahr et al., 2019 (https://doi.org/10.1016/j.cub.2019.01.078)
and González-Miguéns et al., 2022 (https://doi.org/10.1016/j.ympev.2022.107557)
Amorphea Adl et al., 2012
Amoebozoa Lühe, 1913, renewed definition Cavalier-Smith, 1998
● Tubulinea Smirnov et al., 2005
●● Elardia, Kang et al., 2017
●●● Order Arcellinida Kent, 1880
●●●● Suborder Glutinoconcha Lahr et al., 2019
●●●●● Infraorder Excentrostoma Lahr et al., 2019
●●●●●● Family Centropyxidae Deflandre, 1953
●●●●●●● Genus Centropyxis Stein, 1857
Centropyxis oblonga Deflandre, 1929
Most likely ID: n.a.
Basionym: n.a.
Add’l Synonyms: Centropyxis aculeata var. oblonga Deflandre, 1929
Sampling date 06/2025. Scale bars indicate 100 µm (1, 2), 50 µm (3).
Three images, two of them in a slide changer.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m
(1, 2) Stereo microscope Olympus SZX16, camera Olympus OM-D M5 MKII. DOF images.
(3) Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
Sampling date 06/2025. Scale bars indicate 50 µm (1, 2, 4), 10 µm (3).
Four images.
| First and second: | Synoptic representation of the cell. |
| Third: | A closer look at the aperture under higher magnification reveals the fine structure of the organic cement of the shell. |
| Fourth: | Side view of the shell of another specimen, taken with a light microscope. |
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m
(1–3) Tescan Clara SEM, © Wolfgang Bettighofer/Jürgen Stampfl
(4) Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF image.
Sampling date 06/2025. Scale bars indicate 50 µm.
Two images. The images show the entire shell and a close-up detail revealing the fine structure of the proteinous organic cement in which the xenosomes (quartz grains and diatom shells) are embedded.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
Sampling date 06/2025. Scale bars indicate 50 µm.
Four images. The images show the entire shell and three optical tomographic sections.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
Sampling date 06/2025. Scale bars indicate 50 µm.
Three images. The images show the entire shell and three optical tomographic sections.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
Sampling date 06/2025. Scale bars indicate 50 µm.
Four images. The images show the entire shell and three optical tomographic sections.
The inside of the shell was filled with many reproductive cysts of a parasite.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
Copyright Winfried Hölz, Hausen, Germany.
Place name: Pond near Großostheim (Germany)
Latitude: 49.88482168 Longitude: 9.09980822
Microscope Zeiss Axioscope, camera type DSLR.
© 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.
