Testate Amoebae –
Amoebozoa (Part), Stramenopiles (Part), Rhizaria (Part)

Observations on Difflugia urceolata

Protisten / Protisten.de – created by Wolfgang Bettighofer / Testata Amoeboid Organisms / Amoebozoa / Tubulinea / Elardia / Arcellinida / Glutinoconcha / Longithecina / Difflugiidae / Difflugia urceolata

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 Longithecina Lahr et al., 2019
●●●●●● Family Difflugiidae Wallich, 1864
●●●●●●● Genus Difflugia Leclerc, 1815

Difflugia urceolata Carter, 1864

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: n.a.

Sampling date 06/2025. Scale bar indicates 100 µm.

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 image.

Sampling date 06/2025. Scale bars indicate 100 µm.

Three images. Whole test and two optical tomographic sections. The last image shows the quartz pebbles collected for cell division.

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 bar indicates 100 µm.

Place name: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m

Tescan Clara SEM, © Wolfgang Bettighofer/Jürgen Stampfl

Sampling date 05/2022. Scale bars indicate 100 µm.

Two images using dissecting microscope. Lateral and pseudostome 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: Creek in Oder valley 100 km north east of Berlin (Germany)
Latitude: 53.135032 Longitude: 14.348738

Microscope Olympus SZX16/Planapo 2.0x, 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.

Protisten.de

Observations on Difflugia urceolata

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