Tiny Organisms in Aquatic Habitats
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Testate Amoebae –
Amoebozoa (Part), Stramenopiles (Part), Rhizaria (Part)

Observations on Difflugia pyriformis

Difflugia pyriformis

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 pyriformis Perty, 1849

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: n.a.

Difflugia pyriformis

Sampling date 10/2008.

Image above:
The green color originates from zoochlorellae. Scale bar indicates 100 µm.

Image below:
Details: On the left, the aperture with a strong straight pseudopodium containing a defecation vacuole and  zoochlorellae, in the middle, an apertural view also with zoochlorellae. Scale bar in left image indicates 10 µm, others 50 µm.

Third image:
This close-up shows the lenticular shape of the zoochlorellae. The membrane boundaries of the defecation vacuole transporting waste are visible. Scale bar indicates 10 µm.

Place name: Pond Suploch, Hiddensee (Germany)
Latitude: 54.538638     Longitude: 13.097802

Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.

Difflugia pyriformis
Difflugia pyriformis

Three pictures taken at different magnifications, the first two were taken with a dissecting 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: Pond near Großostheim (Germany)
Latitude: 49.88482168     Longitude: 9.09980822

Microscope Zeiss Axioplan and Olympus stereomicroscope  SZX16, 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.

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