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

Observations on Difflugia rubescens

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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 rubescens Penard, 1891

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: n.a.

Sampling date 06/2024. Scale bars indicate 25 µm, (1), 100 µm (2), 50 µm (3).

Three images, two of them in a slide changer.

First and second:	Difflugia rubescens feeding on Micrasterias denticulata. Near the aperture (pseudostome) of the amoeba, several excreted fecal pellets are visible, one of which can be seen at the entrance to the pseudostome.
Third:	Overview image showing both organisms.

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: Wetland Lauchseemoor, Fieberbrunn (Tyrol, Austria)
Latitude: 47.46954439 Longitude: 12.53826499

Microscope Zeiss Universal, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 06/2007. Scale bars indicate 25 µm.

Two images.

First:	Optical cross-section showing cytoplasma.
Second:	Synoptic representation of the test (shell).

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: Bog Dosenmoor near Neumuenster (Schleswig-Holstein, Germany)
Latitude: 54.136219 Longitude: 10.026433

Microscope Zeiss Universal, camera Olympus C7070WZ. The synoptic representation of the test is a DOF image.

© 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.

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Observations on Difflugia rubescens

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