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.
New items
acutiformis
astraea
bipyramidatum
cinctum
pulchrum
melicerta
lunatus
brebissonii
montanum
directum
truncatum
vestitum
var. vestitum
meneghinianum
didelta
furcata
jenneri
radiosa
ventricosum
insigne
cucurbita
fimbriata
cucurbita
wailesii
filifera
brightwellii
New items
acutiformis
astraea
bipyramidatum
cinctum
pulchrum
melicerta
lunatus
brebissonii
montanum
directum
truncatum
vestitum
var. vestitum
meneghinianum
didelta
furcata
jenneri
radiosa
ventricosum
insigne
cucurbita
fimbriata
cucurbita
wailesii
filifera
brightwellii