Testate Amoebae –
Amoebozoa (Part), Stramenopiles (Part), Rhizaria (Part)
Observations on Arcella conica
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 Sphaerothecina Kosakyan, Lara and Lahr, 2016
●●●●●● Family Arcellidae Ehrenberg, 1843
●●●●●●● Genus Arcella Ehrenberg, 1832
Arcella conica (Playfair) Deflandre, 1928
Most likely ID: n.a.
Basionym: Arcella costata var. conica Playfair 1918
Add’l Synonyms: Arcella vulgaris var. angulosa Leidy 1879
Arcella pyramidalis van Oye 1926
Sampling date 06/2025. Scale bars indicate 100 µm.
Two images.
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
Stereo microscope Olympus SZX16, camera Olympus OM-D M5 MKII. DOF images.
Sampling date 06/2025. Scale bars indicate 50 µm.
Three images. Top view, side view with aperture, aperture view.
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 25 µm.
Two images. Top view and optical cross-section showing the aperture.
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.
© 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.








